Thursday, April 30, 2015
Sunday, February 16, 2014
How to Prevent Ants, Roach and Bed Bug Infestations
How does the Outdoors get inside the house;
COLD air, Hot air,Rain and the Wind, imagine if that was all that got in?
Perhaps those 10, 20 or 30 year old windows do not close as well as they used to. The Front door threshold no longer stops the leaves or the Roaches, the Grout around the Tub is Worn away and the Ants are crawling in. Birds and Rodents are entering through the attic screen and the Soffit Vent.
Ever notice wasps and other flying bugs inspecting your house? They are looking
for warm accommodations for the upcoming winter season.
for warm accommodations for the upcoming winter season.
Caulk and foam can serve as the first line of defense by sealing gaps and cracks around a home, helping to prevent pests from entering. Each can be used alone as a proactive and insecticide-free approach or in conjunction with bug sprays if bugs have already penetrated the home.
The best way to keep pests from infesting your home is to keep them out in the first place. Eliminating their entry points by sealing up all cracks, crevices, holes, and gaps on the exterior of the home will help improve the chances that your home will remain pest free throughout the fall, winter, and springtime seasons. Insects come in all different sizes and therefore can fit into tiny deficiencies in a building. Caulk in an easy and inexpensive way to keep insects and pests out of your home. Here are a few caulking tips…
Check around corners, edges, doors and windows and lighting fixtures. Check every inch around anything that attaches to or pokes out of the house. Take it slow and caulk every little hole or crack.
• Using caulk around window frames will not only keep the temperature of your home regulated, it will keep unwanted insects out.
• Use caulk to seal joints. • Clear silicone caulk is known for its flexibility and is recommended for areas that will not be painted.
• Caulk can be used to patch small cracks in foundations and siding.
• Use caulk around air intakes, exposed plumbing pipes, venting pipes, sky lights, and exhaust grills.
Rescreen the Soffit and Attic Vents,Sealing the Ac Chase, Caulk gaps around electric ,Cable ,telephone Lines, Mortar,grout around plumbing and Concrete joints.
Rats in the attic, noises in the night, Snakes in the Garage, raccoons in the Attic,armadillo nesting under the Deck, raccoons in Clearwater, florida, Rodents in the trees st. petersburg, florida, Screen replacement in the attic, Soffit repair, rodent exclusion in largo, rat trapper in saint petersburg, florida.
How to prevent bedbug infestation, Bed Bug Prevention, Bed Bug Exclusion, How to control and Prevent bed bugs, Sealing Cracks and Crevices is just as Important for Bed Bugs ,Caulking baseboards,CAULKING cracks and Crevices in the Walls AND Floors, will prevent and Control bedbugs as well as it is for Roach and Ant control! Cleaning and Removing Clutter / otherwise known as stuff. Cleaning up, Hygiene , organizing, www.mcdonaldpestcontrol.com
Cockroaches in Clearwater, Cockroaches in the Kitchen Dunedin,Ants in the Attic largo,Fireants in the bushesDunedin,pharoh ants in the Bathroom pinellas park, Saint Petersburg termite control,
Sunday, December 1, 2013
why have bed bugs' comeback to Clearwater
WHY HAVE BED BUGS MADE A COMEBACK?
- Entomologists and pest control professionals have some reasonable theories on why bed bug problems have increased. Here are some possible reasons, but really, no one knows for sure:
http://www.mcdonaldpestcontrol.com
Increased worldwide travel
- People commonly travel to and from all parts of the world, including areas where bed bugs are common. Business and leisure travelers regularly travel between all the continents. Developed countries are increasingly multicultural, with residents moving back and forth from their homelands.
Underground economy
- In many cities there are large populations of illegal aliens or temporary workers that are constantly shifting in and out of group residences, mostly in low-income apartments. It is not unusual in Washington DC, for example, to find a dozen people or more living in a 3-bedroom apartment, with the mix of people constantly changing as jobs change and as people return to their home country or move onto another city. Such residences can become heavily infested with bed bugs (if your legal status is questionable, you are not likely to contact property management about a bed bug problem) and act as a focus for other bed bug infestations in the building.
Increase in secondhand merchandise
- Shabby-chic is in: thrift shops have become more popular as have antique markets, flea markets (bed bug markets?), garage sales, etc., all of which increase bed bug risk.
Changes in bed bug habits
- Perhaps because of the repellency of some insecticides being used today, bed bugs seem to be moving more, going from room to room, even becoming active during the day.
People do not recognize bed bugs or the signs of their infestation
- Until recently, most people under 50 had never seen a bed bug.
No "magic bullet" insecticides
- DDT is long gone, as are the other chlorinated hydrocarbon insecticides. Modern insecticides are proving to be somewhat ineffective against bed bugs. We may be facing some level of insecticide resistance.
The pest control industry is bait-oriented
- Technicians no longer regularly spray baseboards or apply insecticide barriers around beds and furniture or otherwise spot-treat inside apartments, hotels, and similar sites. Such monthly or quarterly treatments, even when made for pests such as cockroaches, would also control new infestations of bed bugs. Today, insecticide baits are the most common substitute for traditional sprays. But baits are specific for certain pests such as cockroaches and ants, and there are no baits for blood-feeding insects like bed bugs.
- ddt resistance,pyrethroid resistance.
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Tuesday, July 16, 2013
Clearwater Drywood termites
Dry Wood Termites
West Indian Drywood Termite,Cryptotermes brevis(Walker)(Insecta:
Isoptera: Kalotermitidae)
Introduction to Dry Wood Termites . www.mcdonaldpestcontrol.com .
Although described from specimens collected in Jamaica in 1853 and now occurring on all inhabited islands of the West Indies,Cryptotermes brevis is not indigenous to that region. Because this species only infests structural lumber, its origin remains unknown, but is likely indigenous to an obscure location in the Neotropics. Cryptotermes brevis was probably spread by wooden ships carrying wooden goods from port to port as development of the New World proceeded in the 17th century. This species is thought to have been introduced into the continental United States at Key West, Florida, before 1919. Some structure-infesting members of the genus Cryptotermes, like C. brevis, are called powderpost termites because their fecal pellets tend to be somewhat smaller than those of other drywood termite species. A second species of Cryptotermes, C. cavifrons Banks, is endemic to and very common in woodlands of peninsular Florida, however, C. cavifrons has a higher moisture requirement and is, as such, seldom a pest of buildings.
*---Distribution---*
Cryptotermes brevis is the most widespread drywood termite in the tropics worldwide, and in the United States is common throughout Hawaii, Florida, and some coastal regions of the Southeast. In Florida, populations of C. brevis tend to increase southward along the peninsula and concentrate in older buildings near the coast, but infestations can occur anywhere. Key West, Ft. Lauderdale, Miami, St. Petersburg, Pinellas Park,Clearwater,Dunedin,Palm Harbor,Largo,Seminole,Tarpon Springs,Trinity,Holiday,New Port Richey,and Tampa have heavy populations of C. brevis. Some cities along the gulf coast, notably, New Orleans, Galveston, and Corpus Christi, are also afflicted with heavy resident populations.
Figure 1.United States distribution of the West Indian drywood termite, Cryptotermes brevis (Walker).Credit: Rudolf H. Scheffrahn, University of Florida
[Click thumbnail to enlarge.]
Description and Identification
As with all termites, drywood termites are social insects, but unlike subterranean termites, they live entirely within the wood members they infest and obtain water adsorbed onto wood fibers and by metabolic processes. Drywood termites are generally larger and more cylindrical in body form compared to subterranean termites. Because their gallery systems are limited to and usually extend only a few meters within their home wood, drywood termites have proportionally shorter legs and move more slowly than their more far-ranging subterranean counterparts. Characters shared with other termites include chewing mouthparts for feeding on wood, well-developed tarsal claws for gripping wood surfaces, moniliform (bead-like) antennae, and blindness except in the reproductive caste.
Drywood termite colonies are composed of three primary castes: the reproductives (king, queen, and unmated winged forms called alates), soldiers, and immature reproductives or pseudergates (i.e.,"false workers"). The pseudergates excavate wood to feed themselves and the other caste members in the colony. Eggs and larvae (first few instars) are usually near galleries inhabited by the king and queen. All termite species are difficult to distinguish by immature or worker stages or by the wingless king or queen, therefore, soldiers or alates are best be used for species identification. Soldiers are present in colonies year round, while alates are formed about a month before swarming season.
Figure 2.Castes (reproductive, soldiers, and pseudergates - immature reproductives) of the West Indian drywood termite, Cryptotermes brevis (Walker).Credit: Rudolf H. Scheffrahn, University of Florida
[Click thumbnail to enlarge.]
Drywood termite alates have two pair of hairless, membranous wings that are about equal in size and shape and have three or four darkened and enlarged veins (subcosta and branches of the radial sector) in the leading (costal) margin of each wing. Termite alates are weak fliers and flights are slow and drifting, and wings are often shed within minutes of landing. The bodies of C. brevis alates are medium brown and are about 0.4 inches (11 mm) in length with wings. Shed wings are about 9 mm long and the median vein usually curves in the outer third to terminate in the costal margin. Cryptotermes brevis wings have a prismatic sheen when dry.
Figure 3.Alate (reproductive) of the West Indian drywood termite, Cryptotermes brevis (Walker).Credit: Rudolf H. Scheffrahn, University of Florida
[Click thumbnail to enlarge.]
Figure 4.Wing of the West Indian drywood termite, Cryptotermes brevis (Walker).Credit: Rudolf H. Scheffrahn, University of Florida
[Click thumbnail to enlarge.]
Cryptotermes brevis soldiers are about 4 to 5 mm long and have have a plug-like (phragmotic) head that is nearly black, deeply wrinkled, and is about 1.2 to 1.4 mm wide. Their mandibles do not project nearly as far as those of the other drywood termite genera, but use their heads to plug-off galleries from invading ants. The pronotum of drywood termite soldiers is always as wide or wider than the head capsule.
Figure 5.Soldier (antennae removed) of the West Indian drywood termite, Cryptotermes brevis (Walker).Credit: Rudolf H. Scheffrahn, University of Florida
[Click thumbnail to enlarge.]
Life History
Each year, a proportion of pseudergates in mature colonies molts into alates that leave the colony during a series of dispersal flights over a period of several weeks. This is the only time when colony members leave the confines of their excavated wood galleries and is often the first sign of an infestation. Alates of C. brevis fly between dusk and dawn from April through June and are attracted to lights. Occasional small flights in the fall have also been recorded. After a brief flight, the alates quickly shed their wings and segregate into male/female pairs. The male follows the female in tandem as they inspect wood surfaces for defects such as cracks, crevices, knots, or nail holes, which are preferred as foci for nuptial chamber excavation. Once the chamber is large enough to accommodate the pair, its opening is sealed with an intestinal secretion. During the first six months, the initial batch of eggs hatches into larvae. In the second or third year, the first soldier may appear along with additional brood. A colony matures in no less than five years, at which time it produces its first crop of alates. Colonies can live over 10 years and contain over a thousand members. Numerous colonies may live in close proximity and are thought to share gallery systems. Twenty colonies (as counted by numbers of pairs of primary reproductives) have been recorded from a single wooden door.
Figure 6.Life cycle of the West Indian drywood termite, Cryptotermes brevis (Walker).Credit: Rudolf H. Scheffrahn, University of Florida
[Click thumbnail to enlarge.]
Damage
Colonies of all drywood termite species infest sound, solid hardwoods and softwoods, including all common building lumbers used in structural framing. Numerous colonies may inhabit a single structure. Cryptotermes brevis is more apt than the other species to infest smaller articles of furniture such as headboards, cabinets, and picture frames. Pseudergates excavate galleries in sapwood in preference to heartwood, but show no preference between annual spring and summer growth rings. Because drywood termites seek protection from external predation, galleries are concealed beneath the wood surface. Sounding with a hard implement can locate hollowed-out wood. A very thin wood surface in late stages of attack may have a blistered appearance. External signs of infestations, however, most often consist of fecal pellets extruded from 0.04 to 0.08 inch (1 to 2 mm) diameter "kick-out" holes. Pellets will accumulate in piles directly beneath holes. Pile diameter is proportional to the height from which pellets fall. Drywood termite fecal pellets, with six longitudinal surfaces capped with one rounded and one more tapered end, are uniquely shaped compared to all other wood-infesting insects. Pellets vary in color from cream to red to black and are expelled periodically from different kick-out holes communicating with the gallery system. Pellets do not change in shape or color over time and their color is often unrelated to the wood from which they were expelled. Swarming alates, wings, and ejected fecal pellets are a sanitary nuisance, and pellets may present a slipping hazard on smooth floors.
Figure 7.Damage (wooden door) caused by the West Indian drywood termite, Cryptotermes brevis (Walker).Credit: Rudolf H. Scheffrahn, University of Florida
[Click thumbnail to enlarge.]
Figure 8.Pellets of the West Indian drywood termite, Cryptotermes brevis (Walker).Credit: Rudolf H. Scheffrahn, University of Florida
[Click thumbnail to enlarge.]
Pest Status
Drywood termites are an almost ubiquitous part of older wooden structures in regions where they commonly occur. Structures only five to10 years old may harbor infestations requiring treatment. Drywood termite control costs in the United States are estimated to exceed $300 million annually with greatest losses occurring in southern California, peninsular Florida, and Hawaii. Cryptotermes brevis accounts for about $120 million in the US and untold amounts worldwide.
Management
Termatrac T3i Detection offers radar detection of Termites. [ ask your Termite Inspector]
Preventative methods are aimed at excluding alates from structures, controlling reproductives, or preventing their nuptial chamber construction. Exclusion consists of "tight" building practices, caulking, and small mesh attic screening, but complete blockage of alate entry points is difficult. Attics and wall voids can be treated with desiccating or toxic dusts that kill freshly flown reproductives as they contact treated surfaces while searching for nest sites. Borate dusts have been shown to thwart nuptial chamber construction. Application of preventative chemicals is best done during the framing phase of construction when all wood is accessible to treatment. Reproductives will not infest lumber that has been pressure-treated with chromated copper arsenate (CCA) wood preservatives.
A broad array of remedial methods is available for treating drywood termite infestations. Whole-structure treatments include fumigation and heating to control all accessible and inaccessible colonies. Fumigation ("tenting") is a highly technical procedure which involves surrounding the structure with a gas-tight tarpaulin, releasing an insecticidal gas (usually sulfuryl fluoride) inside the enclosure, and aerating the fumigant after a set exposure time. Because of technical challenges, HEAT treatments [ Heat Remediation ] usually are not applied to the entire building, but are limited to known areas of infestation. and along with excessive cold, are classified as compartmental treatments. Heat treatments are used to eradicate drywood termites from a portion of a house such as an attic, porch, or bedroom, or from an individual apartment or condominium unit inside a multi-family dwelling. Hot air is delivered using high-output propane heaters. Excessive cold is primarily used for treating wall voids or similar small enclosures in a structure. Liquid nitrogen is delivered into these voids until the temperature falls to a level lethal to drywood termites.
Local or "spot" treatments for drywood termite control include wood injection and surface applications of Timbor and or Boracare, microwave energy, electrocution, and wood replacement. Wood injection or "drill-and-treat" applications use an insecticide that is injected into small holes drilled to intersect termite galleries. This is the simplest and most direct method of treatment. Spray and foam applications of products containing boron salts [ DisodiumOctaBorate ] Timbor,BoraCare,Borathor are applied to raw, uncoated wood surfaces. Because penetration depths of borate solutions and depth of drywood termite galleries vary, drill injection into infested wood should also be performed. Microwave energy, applied to relatively small sections of infested wood, kills termites by heating them. The electrocution method uses a hand-held "gun" which is passed slowly over the infested wood. The high voltage and low current energy emitted by the probe electrocutes termites in the immediate application area. Wood replacement allows for absolute removal of a drywood termite infestation if it is isolated to a wood member that can be detached relatively easily, as for example, a fascia board or a door. Termite Gallery treatments with Termidor and Or Dominion are very effective also.
Because drywood termites are hidden inside the wood they infest, it may be difficult to immediately verify the success of a given treatment. A swarm within a few years of treatment suggests either that the treatment was unsuccessful, infested wood was brought in, or a hidden, untreated, infestation was present and must now be treated. Accumulation of pellets, especially in a cone-shaped pattern, is also a sign of active drywood termites. All pellets should be removed after a treatment to insure that colony activity has ceased. A retreatment is warranted if new pellets are observed. Pellets may continue to trickle from wood after successful control if the wood member is periodically subjected to vibrations or jarring such as a door or door frame.
Rudolf H. Scheffrahn and Nan-Yao Su
Selected References
Ebeling, W. 1978. Urban Entomology. University of California Press, Berkeley, Calif. 695 pp.
Edwards, R., A.E. Mill. 1986. Termites in Buildings. Their Biology and Control. Rentokil Ltd., East Grinstead, U.K. 261 pp.
Lewis, V.R., M.I. Haverty. 1996. Evaluation of six techniques for control of the western drywood termite (Isoptera: Kalotermitidae) in structures. Journal of Economic Entomology 89: 922-934.
Scheffrahn, R.H., J. R. Mangold, N.-Y. Su. 1988. A survey of structure-infesting termites of peninsular Florida. Florida Entomologist 71: 615-630.
Scheffrahn, R.H., N.-Y. Su, and P. Busey. 1997a. Laboratory and field evaluations of selected chemical treatments for control of drywood termites (Isoptera: Kalotermitidae). Journal of Economic Entomology 90: 492-502.
Scheffrahn, R.H., G.S. Wheeler, and N.-Y. Su. 1997b. Heat tolerance of structure-infesting drywood termites (Isoptera: Kalotermitidae) of Florida. Sociobiology 29: 237-245.
Scheffrahn, R.H., N.-Y. Su, J. Krecek, A. Van Liempt, B. Maharajh, and G. S. Wheeler. 1998. Prevention of colony foundation by the drywood termite, Cryptotermes brevis, and remedial control of drywood termites (Isoptera: Kalotermitidae) with selected chemical treatments. Journal of Economic Entomology 91: 1387-1396.
Su, N.-Y., and R.H. Scheffrahn. 1990. Economically important termites in the United States and their control. Sociobiology 17: 77-94.
FOOTNOTES
This document is EENY-079, one of a series of Featured Creatures from the Entomology and Nematology Department, Florida Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida. Published: April 1999. Revised: January 2005. Reviewed March 2011. This document is also available on Featured Creatures website at http://entomology.ifas.ufl.edu/creatures. Please visit the EDIS Wwebsite at http://edis.ifas.ufl.edu.
Rudolf H. Scheffrahn and Nan-Yao Su, professors, Department of Entomology and Nematology, Ft. Lauderdale Research and Education Center, Cooperative Extension Service, Institute of Food and Agricultural Sciences, University of Florida, Ft. Lauderdale, FL 33314.
The Institute of Food and Agricultural Sciences (IFAS) is an Equal Opportunity Institution authorized to provide research, educational information and other services only to individuals and institutions that function with non-discrimination with respect to race, creed, color, religion, age, disability, sex, sexual orientation, marital status, national origin, political opinions or affiliations. For more information on obtaining other extension publications, contact your county Cooperative Extension service.
U.S. Department of Agriculture, Cooperative Extension Service, University of Florida, IFAS, Florida A. & M. University Cooperative Extension Program, and Boards of County Commissioners Cooperating. Nick T. Place, Dean.
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