Other pests

(cockroaches, silverfish, flies, wasps, spiders…)

 

Hornets (bald faced)

are about 2.5 cm in length, bluish-black with white markings on its face, thorax and abdomen. Bald-faced hornets are not true hornets at all; they are aerial yellow jackets. This hornet constructs paper nests made from wood harvested from logs and trees. The nest of the bald-faced hornet will take on a football shape, growing larger with time. Some nests may measure up to two feet in length and contain hundreds of worker wasps. The nests last one year. Each year in the fall, a hornet nest produces numerous queens that fly out to find a protected site (e.g., under loose bark) to overwinter. The workers that emerge from that brood begin foraging for food, enlarging the nest, caring for the young and defending the colony. Hornets will aggressively attack and sting any intruder threatening or disturbing the nest.

 

German Cockroach

is the most prolific breeder among all cockroaches. Each egg capsule can contain up to 40 eggs and development from egg to adult can occur in as little as 45 days. Cockroaches are one of the most adaptable and successful insects, they are omnivorous and will eat virtually anything. They can infest any type of structure from homes to commercial establishments. Cockroaches are capable of carrying disease-spreading pathogens and have been shown to cause allergic reactions and contribute to asthma problems. In homes, cockroaches will first locate itself in bathrooms and the kitchen, as close as possible to food and moisture sources. It spends about 80 percent of its time resting in cracks and voids.

 

Wasps

are typically black and yellow around 18-23mm in length. The Queen wasp will come out of hibernation in the spring and start to build a small nest, mainly from wood which she chews up to form a pulp.

From laying eggs to flight of the a new wasp will take about 6 weeks normally, at this point these worker wasps will continue to build the nest and feed the young larvae. Wasps tend to nest where there has already been a nest either inside or outside.

Wasps generally only become a nuisance in late summer when the queens has stopped laying eggs and the workers are no longer receiving any sweet sustenance from the larvae , hence why they come into houses, landing in sweet drinks such as lemonade etc.

The sting of the common wasp can be very sore and in some cases fatal if the recipient takes an allergic reaction to the sting.

 

Silverfish

are small, elongated, triangular insects, usually about 1 cm in length, typically a shiny gray or silver. Silverfish feed on fungal molds and organic matter. Silverfish are primary a nuisance pest but they can damage natural fabrics, paper, carpeting and book bindings. They prefer dark, warm, moist areas such as attics, closets, baseboards and around bathroom fixtures. Treatment of cracks and voids as well as attic and crawl spaces is necessary to minimize silverfish.

 

Fruit Flies

are about 3 mm in length, tan brown with red eyes; wings fold flat over body. Fruit flies are common in homes and commercial facilities where food is prepared and served. These flies are usually carried in on fruits and vegetables. The larvae feed on yeasts that develop within ripening/decaying fruits and decaying organic matter. Because these flies frequent unsanitary conditions, they are a potential health concern when they occur in food facilities and hospitals. Usually associated with fresh fruits and vegetables stored at room temperatures. Once inside, adult flies emerging from a piece of infested fruit can find and exploit other potential breeding sites such as poorly maintained trash containers, recycling bins, food kicked underneath tables, coolers, etc., and garbage disposals. They also may be found breeding in dumpsters outside and flying to and entering the building through doorways. The breeding media must be continually moist for the larvae to develop and generally in a fairly fresh state of decay. Any crack or area where organic matter can accumulate can support these flies.

Other common flies are: cluster flies, house flies, blow flies, phorid flies…

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