Wednesday, March 31, 2010

Eastern Subterranean Termites by Ralph H. Maestre BCE

Latin Name: Order Isoptera

Appearance:
Four "castes" of a termite colony: workers are approximately 1/4-inch long, light-colored and wingless; soldiers have elongated heads with mandibles; supplementary reproductives are light-colored and wingless or have very short, nonfunctional wings.

Habit:
Live in colonies underground, from which they build tunnels in search of food; able to reach food above the ground level by building mud tubes; dependent on moisture for survival.

Diet:
Wood and other cellulose material.

Reproduction:
Different rates of growth from egg stage to adult depending on individual species; one queen per colony, which can lay tens of thousands of eggs in its lifetime, but most eggs are laid by supplementary reproductives in an established colony.
Other:
Termites cause over $2 billion in damages each year. Subterranean termites cause 95% of all termite damage in North America. Colonies can contain up to 1 million members.

Termite Baiting

The Sentricon® Colony Elimination System is manufactured by Dow AgroSciences LLC (Indianapolis, IN; 1-800-678-2388; www.sentricon.com/). The Sentricon® System is sold only through pest management firms that have been authorized and trained by Dow AgroSciences. This termite bait was the first to be commercially introduced into the United States and has been marketed since 1995. It is labeled to be used as the sole measure to achieve termite control, without a supplementary soil treatment.

The active ingredient (toxicant) in the Sentricon® System is a slow-acting chemical, 0.5% hexaflumuron (Recruit® II). During 2003, hexaflumuron is slated to be replaced with noviflumuron (Recruit® III and IV). Both of these chemicals are chitin synthesis inhibitors (CSIs) that disrupt the termites' normal molting process, causing them to die in the process of shedding their skin. CSIs can achieve their effects because worker termites continue to molt periodically throughout their life and they comprise the majority of the colony. Furthermore, workers feed other colony members, which starve as the worker population is depleted.

The Sentricon® System is based on a multi-step process that entails monitoring to identify stations that contain active termites, delivery of the toxic bait, and on-going monitoring to detect new termite infestations. Termites are detected by inserting plastic in-ground monitoring stations into the soil at intervals around the building perimeter and at conducive sites. Each in-ground Sentricon® station consists of a cylindrical green tube (10 inches deep by 2 inches wide) with slits for termite access; it is covered by a flat, round disc (locking cap assembly) that lies flush with the soil surface. Initially, two pieces of untreated wood are placed inside each station to serve as the monitoring device. Several of the stations are pre-baited in auxiliary stations during the initial installation process. Once termites have been found in the wood monitors, a treated bait tube is substituted. Termites are carefully dislodged from the monitoring wood and placed into the bait tube where they begin feeding on the bait as they tunnel through it and then eventually reunite with their colony members in the soil. In the process, they deposit trail pheromones (chemical scents) that promote recruitment of other nest mates to the bait. All stations around the structure are inspected on a continuing basis and bait delivery continues until no more live termites are found. Termite elimination is considered to be achieved if no termites are evident for three consecutive months, excluding inclement winter weather that may cause termites to be absent. Bait tubes subsequently are removed and untreated wood is once again inserted and monitored. On-going monitoring at less frequent intervals is useful to detect termites that have re-infested the area.

Above ground bait stations complement the Sentricon® System. These are tan, rectangular boxes containing two treated paper rolls (Recruit® AG) that are positioned above ground over active termite shelter tubes. The use of aboveground stations in combination with in-ground stations can enhance delivery of the bait toxicant to the colony.
The Sentricon® System has undergone extensive evaluation throughout the United States. A large number of field trials with Sentricon® have demonstrated elimination of subterranean termites.

Carpenter Bees by Ralph H. Maestre BCE

Carpenter bees are so named because they excavate galleries in wood to create nest sites. They do not consume wood. Rather, they feed on pollen and nectar. Carpenter bees are important pollinators of flowers and trees. Carpenter bees typically are just nuisance pests that cause cosmetic. When left unchecked the damage may become structural. Considerable wood damage can result from many generations of carpenter bees enlarging existing galleries in wood.


Large carpenter bees belong to the genus Xylocopa. Two native species, Xylocopa virginica and Xylocopa micans, occur in the eastern United States. There also are a number of native carpenter bees in the western United States. This fact sheet primarily pertains to X. virginica, which has the common name of carpenter bee.

Figure 1. Carpenter bee. (Courtesy of Kansas State University.)

Identification


Carpenter bees are large and robust. X. virginica is three-fourths to one-inch long, black, with a metallic sheen. The thorax is covered with bright yellow, orange, or white hairs, and the upper side of the abdomen is black, glossy, and bare (Figure 1). The female has a black head, and the male has white markings on the head. Carpenter bees have a dense brush of hairs on the hind legs.

Carpenter bees somewhat resemble bumble bees, except bumble bees have dense yellow hairs on the abdomen and large pollen baskets on the hind legs. Various species of bumble bees and carpenter bees are similar in size. Bumble bees typically nest in the ground whereas carpenter bees nest in wood.

Life History
Carpenter bees are solitary insects that do not form colonies. Male and female carpenter bees overwinter as adults within their old nest gallery. Adults emerge in the spring (April and early May) and mate. There is one generation per year.

The males are not long lived, and the female carpenter bee prepares the nest. Gallery construction is a time- and energy-consuming process, and the female will preferentially refurbish an old nest rather than excavate a new one. When constructing a new nest, the female uses her strong jaws (mandibles) to excavate a clean-cut, round nest entrance hole on the lateral surface of wood in an exposed or unexposed location. This hole is slightly less than 1/2-inch wide, approximately the diameter of her body. She bores into the wood perpendicular to the grain for one to two inches then makes a right angle turn and excavates along the wood grain for four to six inches to create a gallery (tunnel). She excavates the gallery at the rate of about one inch in six days.

The female bee creates a series of provisioned brood cells in the excavated gallery. The larval provision consists of a mixture of pollen and regurgitated nectar formed into a ball. The female forms a food ball at the far end of an excavated gallery, lays an egg on top of the mass, and then walls off the brood cell with a plug of chewed wood pulp. A female often creates six to 10 partitioned brood cells in a linear row in one gallery, and she dies soon thereafter. Larvae feed on the pollen/nectar food mass, which is sufficient food for them to develop to the adult stage.


The life cycle (egg, larva, pupa, adult) is completed in approximately seven weeks, although developmental time may vary depending on the temperature. The new adults typically remain in their gallery for several weeks then chew through the cell partitions and venture outside in late August. They collect and store pollen in the existing galleries, but also spend much of their time just huddled together inside a gallery. These new adults hibernate in galleries because they require shelter during the winter. They then emerge the following spring.

Habits
Carpenter bees nest in a wide range of softwoods and hardwoods, particularly if the wood is weathered. Eastern species of carpenter bees prefer softwoods such as cedar, redwood, cypress, pine, and fir. The bees can more easily tunnel through woods that are soft and that have a straight grain. Western species of carpenter bees often nest in oak, eucalyptus, and redwood.


Carpenter bees attack structural timbers and other wood products, including fence posts, utility poles, firewood, arbors, and lawn furniture. In buildings, carpenter bees nest in bare wood near roof eaves and gables, fascia boards, porch ceilings, decks, railings, siding, shingles, shutters, and other weathered wood. These bees avoid wood that is well painted or covered with bark.


The carpenter bee entrance hole in wood may not necessarily be in an exposed area. For example, the inner lip of fascia boards is a common site of attack. Nail holes, exposed saw cuts, and unpainted wood are attractive sites for the bees to start their excavations.

Figure 2. Carpenter bee entrance hole in fascia.
Figure 3. Carpenter bee staining on siding below the fascia.

Figure 4. Carpenter bee gallery exposed in wood.

Economic Importance
Despite their beneficial aspect of being important pollinators of many trees and flowers, carpenter bees also may be nuisance pests around structures. Carpenter bees are noisy, which may be bothersome. These large bees create alarm when they dive-bomb or fly erratically around humans. In actuality, these are male bees, which are territorial but harmless because they lack a stinger. Only females have a stinger. Female carpenter bees are docile and are reported to sting only if handled.

Carpenter bees create a nuisance by excavating round entry holes in wood (Figure 2) and depositing yellowish to brownish streaks of excrement and pollen on surfaces below entry holes (Figure 3). They also produce coarse sawdust from their borings. The carpenter bee gallery system is confined within the wood (Figure 4) and hence is not visible.

Carpenter bee damage to wood initially is minor, and carpenter bees seldom cause consequential structural damage. However, their repeated colonization of the same wood can eventually cause considerable wood damage. Carpenter bees preferentially refurbish and enlarge an existing tunnel instead of boring a new one, and a gallery can extend for 10 feet if used by many carpenter bees over the years.

Carpenter bees sometimes construct new tunnels near old ones, with infestations persisting for several years. This complex system of tunnels can result in extensive damage to wood. Wood replacement is necessary when the strength of structural members, posts, poles, and other wood products is reduced due to carpenter bee damage.

Carpenter bees also may be indirectly responsible for unsightly wood damage when woodpeckers riddle the wood with holes searching for the developing carpenter bees to feed upon.

Integrated Pest Management
When dealing with carpenter bees, it is preferable to locate tunnel entrances during the daytime, but treat after dark on a cool evening when carpenter bees are less active. Wear protective clothing to avoid any stings during treatment.

Prevention
Keep all exposed wood surfaces well painted with a -polyurethane or oil-base paint to deter attack by carpenter bees. Periodically inspect painted surfaces, because the coatings will begin to deteriorate due to weathering, leaving exposed wood that the bees then can easily attack. Wood stains will not prevent damage. Consider using aluminum, asbestos, asphalt, vinyl siding, and similar non-wood materials that are not damaged by carpenter bees. Seal existing gallery entrance holes to discourage carpenter bees that are looking for potential nesting sites.

Mechanical Measures
A non-insecticidal management approach is to deny carpenter bees access to their galleries by sealing each entrance hole. Thoroughly plug the hole with caulking compound, wood putty, or a wooden dowel affixed with wood glue. If possible, also fill the entire gallery system with a sealant. Carpenter bee galleries are a critical resource, since the bees spend much of their time inside a gallery, and they require its protective conditions to survive the winter. Bees that are trapped inside a caulked gallery typically will not chew out due to behavioral constraints. This barrier approach has promise for reducing future carpenter bee infestations.


In new nests, the single female often can be swatted and killed, or she can be captured and crushed or otherwise destroyed. Larvae and pupae can be killed by inserting a sturdy wire into the entrance hole and probing into the gallery as deeply as possible.

Insecticides
A chemical treatment using an appropriately labeled insecticide can protect wood for short periods, especially in the spring and summer when carpenter bee nesting activity is apparent. Dust formulations typically provide residual effects and are effective due to the nature of carpenter bee gallery construction. Precisely inject the dust directly into each nest entrance hole and as deep into the tunnel as possible and also apply it to the adjacent wood surface. Wait for a few days before plugging entrance holes since adult bees should be allowed to pass freely to distribute the insecticide within the galleries. Newly emerged bees also will contact the dust when attempting to leave their gallery. The most popular dusts used are Tempo D (cyfluthrin), Drione and Tri-Die (pyrethrins), and Apicide (carbaryl).

For use as a preventive, an insecticide should be applied to wood in early spring before carpenter bees begin excavating nests. The insecticide kills the bees that contact it on the wood’s surface. However, a preventive approach has limitations because of the difficulty in applying a chemical to all exposed wood on the house where bees could nest. Furthermore, such insecticides usually degrade in a matter of weeks or months so repeated applications are needed to maintain a lethal dose of the insecticide. Some pest management companies report good results against carpenter bees by spraying wood with a microencapsulated pyrethroid, Demand CS insecticide (registered for use only by licensed professional applicators), which contains the active ingredient lambda-cyhalothrin. A number of other pyrethroids (bifenthrin, cyfluthrin, deltamethrin, permethrin, etc.) also are labeled for use against carpenter bees.
Insecticides that act as stomach poisons, such as borates, typically are ineffective against carpenter bees, which do not ingest the wood that they excavate.

Compiled From Susan C. JonesAssociate Professor, Entomology; Extension Specialist, Household and Structural Pests: Ohio State Pest Fact Sheets

Friday, March 26, 2010

Clover Mites by Ralph H. Maestre, BCE

Clover mites sometimes invade homes in enormous numbers, in early spring and late autumn, overrunning floors, walls, drapes, window sills and furniture, even occasionally getting into beds and clothing. They may become troublesome in hospitals, nursing homes, apartments, food processing facilities, etc. If crushed, they leave a reddish stain quite noticeable on linens, curtains, walls and woodwork. They are a nuisance by their presence but do not bite humans or animals, transmit disease nor feed on household furnishings or pantry supplies. Skin irritation may be caused in sensitive persons. They live outdoors, feeding on various plants.

Identification
Clover mites are about 1/30 inch long (smaller than a pinhead), oval-shaped arachnids, reddish-brown to olive to pale orange or sometimes green-brown after feeding. They are eight-legged with the front pair of legs very long, protruding forward at the head. These front legs are sometimes mistaken as antennae or feelers. There are featherlike plates on the body and fan-shaped like hairs along the back edge of the body when viewed under a magnifying glass. Young are smaller and bright red. Also, eggs are bright red. Crawling mites are sluggish, slow-moving and normally invade the home where the sun is warmest at south, southwest and east side of the house.

Life Cycle and Habits
Clover mites develop from unfertilized eggs (no males needed). Females lay about 70 eggs each, singly or in masses, in cracks and faults in concrete foundations, in mortar crevices, between the building walls, under loose bark of trees, and other protected places. Eggs lay dormant during the hot summer, hatching in early autumn when temperatures fall below 85 degrees F, followed by two nymphal or resting stages and the adult. Each stage lasts two to six days, and the life cycle is completed outdoors in one month with two or more generations per year. Mites may live one to seven months depending on climatic conditions. Most mites over winter as eggs, but all life stages can be present. Over wintering eggs hatch in early spring. Mites can be found infesting homes from November through June and again in the autumn months. They are sensitive to temperature changes (most active between 50 to 75 degrees F) and tend to move upward as the sun warms the surface above them. They may invade the home during the summer if host plants are dried up or cut off. Hosts include grasses (heavy feeding gives a silvered appearance), clover, dandelion, shepherd's purse, strawberry and iris, to name a few. Most heavy outbreaks occur in early spring in well-fertilized lawns growing close to the house foundation on the sunny side of the house; although in the fall, thousands of clover mites may congregate on vegetation around homes and on foundation walls, crawling into protected places as cold weather arrives. They hide under shingles, under siding, behind window and door casings or even indoors, becoming active again in the spring.

Control Measures

Prevention
Remove all grass and weeds (lush vegetation) from around the house foundation perimeter, leaving a bare strip 18 to 24 inches wide, especially on the south, southwest and east sides of the building. Mites will not cross-bare, loose soil as readily as grassy surfaces touching the foundation. This bare strip can be planted with flowers such as geranium, zinnia, wallflowers, marigold, salvia, rose, chrysanthemum and petunia, or shrubs such as juniper, spruce, arborvitae, yew or barberry, which are unattractive to these mites deterring buildup and migration. An application of pea gravel in the strip will also discourage mite invasion. Some apply bark mulch, stone or black plastic. Be sure to seal cracks and gaps or other points of entry with caulking compound, putty and weather stripping around foundations, windows and doors. Use tight fitting screens on windows and doors.

Insecticides
It is best to use a perimeter spray barrier around the outside of the house during the mite invasion period. Outdoors, spray the foundation, exterior walls up to the bottom of the first floor windows, and always follow label directions. Treatment from the foundation out into the grass should be performed when permitted. Spray the foundation and walls and the vegetation until it is thoroughly wet. Materials labeled for this use include pyrethrins (Exciter, Microcare, Pyrethrum, Pyrenone). Granules may be used if labeled. Some additional products may be used indoors and out are PT 221L, PI, Steri-fab, and Tri-Die. We must read the labels carefully for treatment procedures. A product like Transport GHP may be use outdoors only. Spot applications can be made to cracks and crevices at baseboards, around windows and doors and between windows and screens with labeled materials. Before using any insecticides, be sure to read the label and follow directions and safety precautions.

Clover mites can be a huge problem in New York City and Long Island this spring. Its best to contact a professional exterminating company in your area to resolve any issues.

Monday, March 8, 2010

Carpenter Ants by Ralph H. Maestre, BCE

Carpenter ants are a nuisance by their presence when found in parts of the home such as the kitchen, bathroom, living room and other quarters. When 20 or more large winged and/or wingless ants are found indoors, in the daytime near one location, it is possible that the colony is well established in the home and the nest may have been extended into sound wood, sometimes causing structural damage. They do not eat wood, but often remove quantities of it to expand their nest size. However, if only one to two large wingless ants are erratically crawling, they may simply be foraging for food with the nest located outside. Outdoors, they are frequently seen running over plants and tree trunks or living in moist, partly rotten wood stumps. Nevertheless, carpenter ant inquiries rank first over all other household/structural pests in many states.

Identification

Carpenter ants are among the largest ants found in homes and live in colonies containing three castes consisting of winged and wingless queens, winged males and different sized workers. Winged males are much smaller than winged queens. Wingless queens measure 5/8 inch, winged queens 3/4 inch to the tips of their folded brownish wings, small minor workers 1/4 inch and large major workers 1/2 inch. Workers have some brown on them while queens are black. Workers have large heads and a small thorax while adult swarmers have a smaller head and large thorax. Carpenter ants have a smoothly rounded arched (convex) shape to the top of the thorax when viewed from the side and a pedicel between the thorax and abdomen consisting of only one segment or node. They have constricted waists, elbowed antennas and the reproductive's forewings are larger than the hindwings, transparent or brownish and not easily removed. Adults are usually black with some species red, brown or yellow occurring on parts of the body and legs. Eggs are about 1/8-inch long, cream colored and oval. Larvae are legless and grub-like, later pupating in tough silken, tan-colored cocoons erroneously referred to as "ant eggs."

Carpenter ant queen her first brood of eggs and larvae

Life Cycle and Habits
Winged male and female carpenter ants (swarmers) emerge from mature colonies usually from March to July in New York City and Long Island. After mating, males die and newly fertilized females (mated for life), establish a new colony in a small cavity in wood, under bark, etc. and each lays 15 to 20 eggs in 15 days. The egg stage takes about 24 days, larval stage 21 days and pupal stage 21 days or about 66 days from egg to adult at 70 to 90 degrees F. Cool weather may lengthen this period up to 10 months. The colony does not produce swarmers until about three years later. A mature colony, after three to six years, has 2,000 to 4,000 individuals.

In later generations, workers of various sizes are produced (polymorphism) into major and minor workers, which are all sterile females. Males formed are winged swarmers. Larger "major" workers guard the nest, battle intruders, explore and forage for food while smaller "minor" workers expand the nest and care for the young. Workers, when disturbed, carry off the larvae and pupa, which must be fed and tended or they die. In a mature colony, there is usually one queen with 200 to 400 winged individuals produced as swarmers. Workers have strong jaws and readily bite (sharp pinch) when contacted.

Nests are usually established in soft, moist (not wet), decayed wood or occasionally in an existing wood cavity or void area in a structure that is perfectly dry. Workers cut galleries in the wood, expanding the nest size for the enlarging colony. Galleries are irregular, usually excavated with the wood grain (sometimes across the grain) into softer portions of the wood. The walls of the nest are smooth and clean (sandpapered appearance) with shredded sawdust-like wood fragments, like chewed up toothpicks (frass), carried from the nest and deposited outside. Carpenter ants do not eat wood but excavate wood galleries to rear their young ants and carry aphids to plants, placing them on leaves for the production of honey dew. The food diet is of great variety (omnivorous) of both plant and animal origin such as plant juices, fresh fruits, insects (living or dead), meats, syrup, honey, jelly, sugar, grease, fat, honey dew (aphid excrement), etc. They feed readily on termites and usually never co-exist with them in a home. Workers are known to forage for food as far as 100 yards from their nest.

Control Measures
The most important and often most difficult part of carpenter ant control is locating the nest or nests. Once the nest location is found, control is very easy and simple. Sometimes more than one colony is present in the structure or on its grounds, so a thorough inspection is very important. Steps to a successful inspection include an interview with family members, indoor inspections, outdoor inspections and sound detection.

Interview
Often children and adults of the residence know where ants are seen, where large numbers are most prevalent, movement patterns, moisture in the structure, moisture problems of the past, if swarmers were seen, location of sawdust-like material in piles, populations outdoors, etc.

Indoors Inspection
Nests can be found in either moist or dry wood. A moisture meter can find wet spots to pinpoint possible nest locations. Inspect behind bathroom tiles, around tubs, showers, sinks, dishwashers, washing machines, refrigerator drip pans, etc. Check wood affected by moisture from contact with the soil such as steps, porch supports, siding, seepage from plugged drain gutters, chimney flashing, wooden shingle roofs, hollow porch posts, columns, leaking window and door frames, window boxes, crawl spaces, pipes, poor pitch of porch roofs, flat deck porch roofs, under porches, attics, etc. Look for damaged timbers, swarmers in spider webs, wood piles indoors, piles of wood debris ejected from the colony (pencil sharpener shaving-like), "windows" or small opening to a nest, etc.

Notice NO Mud in the galleries

Inspection Outdoors
Look for ants traveling from a tree or stump to the structure. They may travel over tree branches or vines touching the roof, electrical and telephone wires, fences next to the house, piles of firewood, logs, or railroad ties nearby or hollow living trees with entrance knot holes, etc. Workers are most active at night (midnight), traveling from their nest to a food source following trails but no particular trail leading directly to the nest. They do establish chemical (pheromone) trails.

Sound Detection
An active colony may produce a distinct, dry rustling sound (sometimes loud), similar to the crinkling of cellophane. It may be heard in a wall when standing in a room. A listening device, such as a stethoscope, may be useful when conditions are quiet and outside noises are at a minimum.

Prevention
Homeowners should trim all trees and bushes so branches do not touch or come in contact with the house. Correct moisture problems such as leaking roofs, leaking chimney flashing, or plumbing, poorly ventilated attics or crawl spaces and blocked gutters. Replace rotted or water-damaged wood and eliminate wood to soil contact. Remove dead stumps within 50 feet of the house, if practical, and repair trees with damage at broken limbs, and holes in the trunk. Seal cracks and crevices in the foundation, especially where utility pipes and wiring occur from outside is paramount. Be sure to store firewood off the ground away from the house and bring in only enough firewood (first examining it) to be used quickly.

Insecticides
If the nest is located in a wall void, it is best to dust directly with Tri-Die, Drione, or Boric acid. Drilling 1/4 or 3/8 inch holes into the wall, sills or joists, where the nest is located, will best help the insecticide penetrate. Treat three to six feet on either side of where ants are entering to hopefully contact the nest. Some drill a series of holes at 12-inch intervals in infested timbers to intercept cavities and galleries of the nest. Holes can later be sealed by putting in dowels as plugs, small corks or covering with an appropriate sealant and touched up with paint, leaving no visible damage from the repairs. Spraying or dusting the baseboards or cracks and crevices around the infested area with residual insecticides, without locating and treating the nest, usually does not give complete control. Kill might be slow with only crack and crevice treatment since workers need to carry enough insecticide on their feet back into the nest. Ants in the nest can live more than six months without feeding. However, aerosol spray treatments in the nest can be effective if much insulation is present. Approaches and areas adjacent to the nest must be thoroughly treated with residual insecticides such as Phantom or other approved product. Outside the structure, all breaks where ants can enter the home must be treated, and a perimeter spray applied against the foundation wall at least two feet up and three feet out. Be sure to treat under the lower edge of sidings, around window and doorframes and the chimney flashing.

There are many insecticides labeled for ant control. Before using an insecticide, always read the label, follow directions and safety precautions. For professional assistance, contact Magic Exterminating to eliminate your carpenter ant problems.

Most apply a perimeter spray treatment around the house foundation. Avoid simply spraying each month whenever ants are seen. Infestations will continue unless nests are eliminated. Locating the nest is not always easy, but is essential for control.

Keys words: Carpenter Ant ID, Colony Size, Polymorphism, Frass, Omnivorous, Foraging Distance, Nest Sites, Proper Inspections, Pest Proofing


Thursday, January 28, 2010

Bird Mite by Ralph H. Maestre BCE

Magic Pest Management services Manhattan, Brooklyn, Queens, the Bronx, and Nassau. Within these territories Rats and Birds causes infestations that lead to property damage, food contamination, and disease. When we attack these pest problems and resolve them Magic understands that secondary problems may occur. These come in the form of parasites. These parasites cause constant irritation through bites. Like all good parasites that feed on humans, the females need a blood meal for egg production. These parasites are mites. Known most commonly as: Bird mites and Rat mites; are sometimes also referred to as Tropical rat mite, Northern fowl mite, Tropical fowl mite, bird mite, and rat mites.

Origin: Possibly African in origin, as the Tropical rat mite was first recorded infesting rats in Egypt. These mites are now found throughout the world, although the Northern fowl mite (O. sylviarum) is more common in cooler climates and the Tropical fowl mite (O. bursa) more common in the warmer climates.

Biology: These are parasitic mites that infest warm-blooded animals. As their common names imply they may have preferred hosts of rodents or birds, but in the absence of those hosts, or in heavily infested structures, they also bite humans so pest control is important. Distinguishing each kind to its individual species is very difficult, but by identifying them to the genus level will help indicate the likely hosts. The host may be present within or on the structure. Unlike many fleas and ticks none of these mite species have been implicated as an important vector of any diseases to humans, but their bites can be very painful and lead to itching, irritated rashes. While sexual reproduction occurs the females also may reproduce parthenogenetically, without fertilization by males. The time from egg to adult mite is usually less than 2 weeks, with 4 or 5 blood meals taken during this growth period. The nymphs generally cannot survive more than 12 days without food, while adults may survive over 2 months without a blood meal.

Identification: The mites are distinguished from most other common, structural species by the very long legs and very long mouth parts. These long, pointed chelicerae and palps stick well out in front of the head region. The 8 legs are very long and well separated, allowing for good mobility by these mites. The body is oval, with the thorax and abdomen combined to a single segment without separation. The color is light grayish in unfed mites to reddish orange in mites recently having had a blood meal. The fowl mites often seem to have a patchy, mottled appearance of dark areas.

Characteristics Important in Control: Pest control relies heavily on proper identification, and then discovery of and removal of the source, which will be nests of rodents or birds in or on the structure. If the source of the bird mites is determined to be nests of swallows on the exterior, extreme care must be given to the protected status of these birds. Inspection may be made using white paper or glue pads with a light background, and at least 20X magnification may be needed to make the identification. Once the source is eliminated it may be advisable to treat within attic or crawl space areas as well as within wall voids. Residual dust insecticides or pyrethroids labeled for void treatment can be effective in pest extermination. Surface treatment is difficult since very few products in New York are labels for indoor mite control. Steri-Fab is one, but the residual quality of this product is very short. ULD BP 50 and 100 have mites on the label, but it is difficult to understand the label directions.

Treatments must be done on every rat job that is performed. Both go hand in hand, if the mite control program is not implemented then the customer will be bitten and this leads to bad will (opposite of goodwill). Here at Magic Pest Management LLC we are trying to create protocol and service guidelines to help the office staff and service technicians understand, implement, and solve our customer’s pest problems.

Learn more about Bird Mites in New York City and Long Island.

Tuesday, December 8, 2009

Crickets

Certain crickets occasionally invade homes and become a pest by their presence. Homeowners complain of their monotonous chirping, which can be annoying especially at night when trying to get some sleep. Indoors, some crickets can feed on a wide variety of fabrics, foods and paper products. Cotton, linen, wool, rayon, nylon, silk and furs are susceptible, along with soiled fabrics, sizing from wallpaper, glue from bookbindings, fruit, vegetables, meat and even other crickets. An occasional cricket or two in the home usually presents no serious problem. However, large populations may congregate around lights at night, making places unattractive.

Identification
Crickets get their name from the high-pitched sound or "chirp" produced when the male rubs his front wings together to attract a female. Listening to their song can identify different kinds of crickets.

The "True Crickets" (House, Field, Ground, Tree) resemble long horned grasshoppers in having long tapering antennae, striculating (singing) organs on the front wings of the male and auditory (hearing) organs on the front tibiae (4th leg segment).

House Cricket
Adults are about 3/4 to 7/8 inch long, light yellowish-brown (straw-colored), with three dark bands on the head and have long, slender antennae much longer than the body. Wings lay flat on the back but are bent down abruptly on the sides. Females have a long, slender, tube like structure (ovipositor) projecting from their abdomen (spearhead at the tip) for egg-laying. Both males and females have two antenna-like (cerci) attached to the sides at the end of the abdomen.

Field Cricket
Adults range in size from 1/2 to 1-1/4 inches long depending on the species, are usually black-colored (sometimes brown), have long, slender antennae and a typical stout body (more robust than the house cricket) with large "jumping" hind legs. The ovipositor may be up to 3/4 inch long. Females have three easily seen appendages coming out of the tip of the abdomen, whereas males have only two. Most chirp and may sing both day and night.

Camel (Humpback) Cricket
Adults, sometimes called cave or cellar crickets, are a little over 3/4 inch long, light tan to dark brown (darker bands on some segments), wingless, with head bent downward, back arched (humpbacked appearance), large hind legs and long antennae. This is the most common cricket encountered by our technicians in the field.

Life Cycle and Habits
House Crickets normally live outdoors especially in garbage dumps, preferring warm weather, but will move indoors when it gets colder usually in late summer. Overwintering occurs outdoors in the egg stage. Each female can lay an average of 728 eggs with the immatures (nymphs) resembling the adults except being wingless. Nymphs molt seven to eight times and reach adulthood in about 60 days. Also, these crickets can live indoors, completing their life cycle with eggs laid in cracks, crevices and other dark areas such as behind baseboards.

Adults are very attracted to lights, and become active at night (hide during the day) to crawl, jump or fly sometimes in countless numbers up the sides of houses, entering openings of even second and third story windows and roof skylights. The continued, monotonous "chirp" is loud and distracting, resulting in lost sleep. They will feed on silk, woolens, nylon, rayon and wood. They can bite when handled carelessly. They are found in fields, pastures, lawns, roadsides, and in woods.

Field Crickets over winter as eggs or nymphs in moist, firm soil. Each female lays between 150 to 400 eggs, which hatch in the spring. Nymphs resemble adults except are smaller and wingless, molt eight to nine times and reach adulthood in about 90 days. They are serious agricultural pests feeding on many crop plants. They become household pests in late summer and early fall when they move out of fields and into buildings. They can damage furniture, rugs and clothing and the "chirping" of adult males can be irritating. They are readily attracted to lights, can fly and are often found around dumpsters. Large swarms may invade well-lighted areas covering streets and the sides of buildings black with crickets. They feed on nylon, wood, plastic fabrics, thin rubber goods and leather. Outbreaks occur when rainfall follows a period of drought.

There are many different kinds and sizes of field crickets, none of which are able to survive and reproduce in buildings. They are found outdoors in similar places as are house crickets, especially under stones or boards, entering cool, moist basements in hot summers.

Camel Crickets are active at night in cool, damp, dark areas and occasionally invading damp basements or crawlspaces. They are not attracted to lights nor produce songs. Overwintering occurs as nymphs or adults in protected places. They may be found living in large numbers, causing alarm. Some textiles may be damaged. Some hide under hay bales, feeding on other insects seeking shelter there. Most are found in caves, hollow trees, under logs and stones and in other dark, moist places. They can live and reproduce indoors.
Control Measures
Crickets are usually active at night (nocturnal), prefer shelter in cracks and crevices and invade homes seeking moisture. An occasional cricket or two in the home usually presents no serious problem. They are seldom-serious pests in the home.

Prevention
Sanitation is the most important means of eliminating nuisance crickets. Keep all areas in and around buildings free of moisture, dense vegetation and weeds (1 foot band next to foundation). Mow lawns, cut weeds, and clean up garbage collection areas. Remove harborage sites such as piles of bricks, stones, rotting wood and other debris. Caulk and seal all cracks and crevices, especially near the ground level at basement windows and doorways.

Make sure that all windows and doors are tight-fitting with proper screening in place. Exclusion is an important factor as well as light discipline. Avoid bright mercury vapor lights in entryways and along structure perimeters since crickets will be attracted from far distances. Convert to sodium vapor yellow lights (less attractive to insects) instead of white, neon or mercury vapor lights.
Never store firewood next to the house foundation. Raise garbage cans off the ground if practical. Trash and dumpsters should be placed as far from the building as possible. Crickets are attracted to food in these areas. Crickets may be troublesome at trash dumps, grassy roadsides, pasture fields and wooded areas (breeding sites) before entering structures. They may be found under decks and plastic storage bins. Crickets can be killed with a fly swatter, collected by vacuum cleaner or broom and dustpan and discarded, if a few are present. Sometimes pet owners, who keep cricket-eating animals, accidently allow crickets to escape. These individuals establish an indoor population.

Insecticides
Heavy cricket migrations are hard to control. It may be necessary to use insecticides both inside and outside the home. Indoors, apply to cracks and crevices, baseboards, in closets, under stairways, around fireplaces, in basements and other hiding places. Use cyfluthrin (Tempo), Acetamiprid & Bifenthrin (Transport GHP), diatomaceous earth, propoxur (Baygon), pyrethrins. A can of aerosol household insecticide spray can kill occasional invaders.

Outdoors, when populations are large, treat a swath around the house foundation with, Intice Granules or propoxur (Larva-Lur, Baygon) bait. It is best to perform this treatment in the late summer moths or early fall to reduce or prevent the migration indoors.

Only the licensed pest control operator or applicator can use cyfluthrin (Tempo), Acetamiprid & Bifenthrin (Transport GHP). Outdoors in moist habitats, wettable powder or microencapsulated insecticides work well. Before using any insecticide, always read the label and follow directions and safety precautions.

Pest of the Month is brought to you by Magic Pest Management, a pest control company based in New York City and Long Island.

Monday, October 5, 2009

Bed Bugs


Mature Bed Bug Cimex lectularius

New York City Bed bugs are parasites that preferentially feed on humans. If people aren't available, they instead will feed on other warm-blooded animals, including birds, rodents, bats, and pets.

Bed bugs have been documented as pests since the 17th century. They were introduced into our country by the early colonists. Bed bugs were common in the New York City prior to World War II, after which time widespread use of synthetic insecticides such as DDT greatly reduced their numbers. Improvements in household and personal cleanliness as well as increased regulation of the used furniture market also likely contributed to their reduced pest status. Now the bed bug, Cimex lectularius, has resurged to quickly become a very important pest of the 21st century, as they invade numerous urban areas including hostels, hotels and residences. Our society has had a “30+ year vacation” from this pest, when bed bugs were almost removed from North America as a result of mass treatments with older types of insecticides (DDT, Chlordane, Lindane). Recently though, bed bugs have found ample opportunity to increase in number and spread through society. Their success is a result of: increased travel of people; improved treatment methods that specifically target other insect pests; and the lack of public awareness.

In the past decade, bed bugs across the Queens, Brooklyn, Manhattan, and Nassau County, now are being considered to be a major pest. The widespread use of baits rather than insecticide sprays for ant and cockroach control is a factor that has been implicated in their return. Bed bugs are blood feeders that do not feed on ant and cockroach baits. International travel and commerce are thought to facilitate the spread of these insect hitchhikers, because eggs, young, and adult bed bugs are readily transported in luggage, clothing, bedding, and furniture. Bed bugs can infest airplanes, ships, trains, and buses. Bed bugs are most frequently found in dwellings with a high rate of occupant turnover, such as hotels, motels, hostels, dormitories, shelters, apartment complexes, tenements, and prisons. Such infestations usually are not a reflection of poor hygiene or bad housekeeping.

Distribution
Bed bugs are fairly cosmopolitan. Cimex lectularius is most frequently found in the northern temperate climates of North America, Europe, and Central Asia, although it occurs sporadically in southern temperate regions. The tropical bed bug, C. hemipterus, is adapted for semitropical to tropical climates and is widespread in the warmer areas of Africa, Asia, and the tropics of North America and South America. In the United States, C. hemipterus occurs in Florida.

Identification
Adult bed bugs are brown to reddish-brown, oval-shaped, flattened, and about 3/16 to 1/5 inch long. Their flat shape enables them to readily hide in cracks and crevices. The body becomes more elongate, swollen, and dark red after a blood meal. Bed bugs have a beaklike piercing-sucking mouthpart system. The adults have small, stubby, nonfunctional wing pads. Newly hatched nymphs are nearly colorless, becoming brownish as they mature. Nymphs have the general appearance of adults. Eggs are white and about 1/32 inch long.
Bed bugs superficially resemble a number of closely related insects (family Cimicidae), such as bat bugs (Cimex adjunctus), chimney swift bugs (Cimexopsis spp.), and swallow bugs (Oeciacus spp.). A microscope is needed to examine the insect for distinguishing characteristics, which often requires the skills of an entomologist. In New York, bat bugs were far more common than bed bugs until recently.


Life Cycle
Female bed bugs lay from one to twelve eggs per day, and the eggs are deposited on rough surfaces or in crack and crevices. The eggs are coated with a sticky substance so they adhere to the substrate. Eggs hatch in 6 to 17 days, and nymphs can immediately begin to feed. They require a blood meal in order to molt. Bed bugs reach maturity after five molts. Developmental time (egg to adult) is affected by temperature and takes about 21 days at 86° F to 120 days at 65° F. The nymphal period is greatly prolonged when food is scarce. Nymphs and adults can live for several months without food. The adult's lifespan may encompass 12-18 months. Three or more generations can occur each year.


bed bugs in new york city Queens Bedbugs Exterminating


exterminator of bed bugs in manhattan

Habits
Bed bugs are fast moving insects that are nocturnal blood-feeders. Bed bugs typically cluster together in favorable harborage areas. However, some bed bugs will live by themselves, away from the majority of the infestation. They feed mostly at night when their host is asleep. After using their sharp beak to pierce the skin of a host, they inject a salivary fluid containing an anticoagulant that helps them obtain blood. Nymphs may become engorged with blood within three minutes, whereas a full-grown bed bug usually feeds for ten to fifteen minutes. They then crawl away to a hiding place to digest the meal. When hungry, bed bugs again search for a host.

Bed bugs hide during the day in dark, protected sites. They seem to prefer fabric, wood, and paper surfaces. They usually occur in fairly close proximity to the host, although they can travel far distances. Bed bugs initially can be found about tufts, seams, and folds of mattresses, later spreading to crevices in the bedstead. In heavier infestations, they also may occupy hiding places farther from the bed. They may hide in window and door frames, electrical boxes, floor cracks, baseboards, furniture, and under the tack board of wall-to-wall carpeting. Bed bugs often crawl upward to hide in pictures, wall hangings, drapery pleats, loosened wallpaper, cracks in plaster, and ceiling moldings.

Injury
The bite is painless. The salivary fluid injected by bed bugs typically causes the skin to become irritated and inflamed, although individuals can differ in their sensitivity. A small, hard, swollen, white welt may develop at the site of each bite. This is accompanied by severe itching that lasts for several hours to days. Scratching may cause the welts to become infected. The amount of blood loss due to bed bug feeding typically does not adversely affect the host.

All people are not equally sensitive to bed bug bites, so while some victims break out in rashes from the bites, other people may not display symptoms. When a reaction does occur, the results of feeding can be mild (a simple red spot) to severe (rash or even hives). Rows of three or so welts on exposed skin are characteristic signs of bed bugs. Welts do not have a red spot in the center such as is characteristic of flea bites. The reaction caused by feeding might be mistaken for other problems. Fleas, mosquitoes and other biting insects, sensitization to detergents and soaps, and irritants (e.g., poison ivy) are some of the conditions victims of bed bugs thought they were dealing with. Bed bugs have been discovered to harbor 28 different human pathogens, but fortunately, the transmission of these diseases to people has not been demonstrated.

Some individuals respond to bed bug infestations with anxiety, stress, and insomnia.

Tell-tale Signs
A bed bug infestation can be recognized by blood stains from crushed bugs or by rusty (sometimes dark) spots of excrement on sheets and mattresses, bed clothes, and walls. Fecal spots, eggshells, and shed skins may be found in the vicinity of their hiding places. An offensive, sweet, musty odor from their scent glands may be detected when bed bug infestations are severe.


Control Measures

nyc bedbugs

We highly recommend that you seek assistance from a professional pest control company.

Controlling an infestation requires very detailed work and much moving (and disassembly) of furniture. Careful inspections must be completed in conjunction with non-chemical controls (such as vacuuming, and steam treatments) and insecticide treatments. The insecticides available are commercial products requiring special equipment and training, which is not readily available in “over-the-counter” products.



A critical first step is to correctly identify the blood-feeding pest, as this determines which management tactics to adopt that take into account specific bug biology and habits. For example, if the blood-feeder is a bat bug rather than a bed bug, a different management approach is needed.
Control of bed bugs is best achieved by following an integrated pest management (IPM) approach that involves multiple tactics, such as preventive measures, sanitation, and chemicals applied to targeted sites. Severe infestations usually are best handled by a licensed pest management professional.

The Green exterminating approach is not recommended for bed bug treatments, since a cocktail or mixture of various products are needed for complete control. The general accepted method includes an adulticide residual along with an IGR (insect growth regulator) and a quick knockdown product like Kicker® or Exciter®. It is now common to dust in the wall voids to help prevent spreading bed bugs to adjoining rooms. Several dusts have shown to give quick (within 24 hours) results and long lasting results (active for months).

The only Green methods available would be steaming, heat, or cryonite. Of these, heat at 110-120ยบ F held for 4-6 hour appears to work. Temporary heat chambers may be built in the room that is infested. Steaming works as well, but it is time consuming. Steaming is best used on furniture that should not be treated with traditional pesticides. This includes treating cribs and other sensitive area. Cryonite works best if it directly contacts the bed bugs. None of these methods leave a residual; therefore bed bugs may re-infest within minutes after treatment.

It is highly recommended that a mattress cover and box spring cover be purchased and install on all mattresses within the premises, regardless if the room is being treated or not. The only mattress cover I recommend at this time is the Protect-A-Bed® brand. It is easy to install and is designed specifically to protect the mattress against bed bug infestations.
Sticky traps or glueboards may be used to capture bed bugs that wander about. However, the effectiveness of these traps is not well documented.

Prevention
The greatest risk for encountering bed bugs appears to be while people are traveling. Regardless of the type of accommodations you stay at, it is a good precaution to check your room. Check around the headboard and adjacent area of the bed. Also inspect luggage stands or other areas where suitcases are typically set down. Be aware of any unexplained bites you may find in the morning; that could be the result of bed bugs. Also watch for fecal spots, which could occur on bed sheets or nearby areas. Inspect your luggage when you get home after a trip for any bed bugs that may have escaped your earlier attention. Other sources may be associated with the scavenging of used furniture. Residents and Tenants are strongly cautioned against “scavenging” beds and furniture that have seemingly been discarded and left by the curb for disposal, or behind places of business.

After the mattress is vacuumed or scrubbed, it can be enclosed in a zippered mattress cover such as that used for house dust mites. Any bed bugs remaining on the mattress will be trapped inside the cover. Leave the cover in place since bed bugs can live for a long time without a blood meal.
Bed bug infestations are not limited to beds and mattresses, and they can be found on tables, drawers, and even electronics if these items were located in a bedroom or other place that could support an infestation.

Caulk cracks and crevices in the building exterior and also repair or screen openings to exclude birds, bats, and rodents that can serve as alternate hosts for bed bugs.

Inspection
A thorough inspection of the premises to locate bed bugs and their harborage sites is necessary so that cleaning efforts and insecticide treatments can be focused. The best way to determine if you have an infestation is to look for bed bugs where you sleep (or rest) and where you typically set down luggage (or bags) when you enter the residence. Your luggage and places where your luggage may be stored are also some of the first areas to look. In bedrooms, look particularly around box springs, mattresses, bed frames, tufts, folds, and buttons on mattresses, furniture, such as desks and chairs, behind wall paper, clocks and pictures, cracks in wood floors, and under the edge of carpet. While bed bugs are most commonly found in bedrooms, infestations can also occur in other rooms, including: bathrooms; living rooms; and laundry rooms. Dark blood spots on sheets and bedding may indicate bed bug feeding. Bed bugs will sometimes excrete while they are feeding. This results in darker (reddish or brownish) spots or smears placed on bed sheets, pillowcases and mattresses, or in nearby areas. The latter sites include window and door frames, floor cracks, carpet tack boards, baseboards, electrical boxes, furniture, pictures, wall hangings, drapery pleats, loosened wallpaper, cracks in plaster, and ceiling moldings. Determine whether birds or rodents are nesting on or near the house.

Be prepared to do some close inspection and when in doubt, consider having the inspection done by a pest control service. In severe infestations, bed bugs may be more noticeable. The accumulation of bugs, cast skins and fecal spots will be very apparent upon close inspection.

In light infestations, a bed bug dog may be used to detect the source.
In hotels, apartments, and other multiple-type dwellings, it is advisable to also inspect adjoining units since bed bugs can travel long distances.
If at any time a bed bug is found: discontinue inspection and initiate control activity! Do not continue with the inspection alone, as bed bugs will move from their hiding places once disturbed. Further inspections must be accompanied by control measures.

Sanitation
Sanitation measures include frequently vacuuming the mattress and premises, laundering bedding and clothing in hot water, and cleaning and sanitizing dwellings. After vacuuming, immediately place the vacuum cleaner bag in a plastic bag, seal tightly, and discard in a container outdoors-this prevents captured bed bugs from escaping into the home. A stiff brush can be used to scrub the mattress seams to dislodge bed bugs and eggs. Discarding the mattress is another option, although a new mattress can quickly become infested if bed bugs are still on the premises. Steam cleaning of mattresses generally is not recommended because it is difficult to get rid of excess moisture, which can lead to problems with mold, mildew, house dust mites, etc.

Repair cracks in plaster and glue down loosened wallpaper to eliminate bed bug harborage sites. Remove and destroy wild animal roosts and nests when possible.

Reference
Ohio State University Extension Fact Sheet
HYG-2105-04
Susan C. Jones, Ph.D.,

Assistant Professor of Entomology


For more information on bed bugs, or to help identify pests and rodents that may be causing problems in your business or residence in New York City, visit Magic's Pest Identification Guide.