Flies

Appearance Shiny, metallic blue or green; 1/4- to 3/8-inch. Habitat Bottle flies are one of the first insects to reach a dead animal, and the sudden appearance of dozens of them within a building signals a dead rodent, bird or other animal in the wall, ceiling, attic or crawl space. They breed in garbage containers,

Appearance Hairy or fuzzy, resembling a tiny moth; black or brown. About 1/4-inch. Habitat Drain flies breed in heavily decaying organic matter that remains fairly wet. They are commonly found in sewage treatment facilities. In other commercial buildings they are often seen in restrooms, mop closets and boiler rooms, breeding in drain traps, sump pumps,

Appearance Tan brown with red eyes; 1/8-inch. Habitat Fruit flies are attracted primarily to fresh fruits and vegetables, although any freshly decaying, moist organic matter will do. Once indoors, fruit flies can find and exploit other potential breeding sites such as poorly maintained trash containers, recycling bins, mop heads, garbage disposals, etc. They may also

Appearance Tiny flies ranging from 1 mm to 1/4-inch; black or brown, with very long thin legs and wings. Habitat Rotting logs and similar fungi- and mold-laden settings are ideal places for gnats to breed in nature. Indoors, they are attracted to the soil in potted plants. When plants are overwatered, molds in the soil

Appearance Usually gray, with four black stripes on their backs; less than 1/4-inch. Habitat As their name implies, house flies are the most common type found in homes. They lay their eggs in almost any warm, moist material that will supply suitable food for the larvae. House flies excrete and regurgitate whenever they come to