Cockroaches

Cockroaches are long-legged, flattened insects of the family Blattidae, order ORTHOPTERA, common in tropical climates but numerous indoors even in temperate and sub-Arctic zones.The common cockroach pests are the American, Oriental, Australian, German, Asian, and brown-banded cockroaches. They have spread throughout most of the world as a by-product of commerce, being carried in ships, wagons, trucks, and airplanes. All the pest species are scavengers, feeding on garbage, dead insects, or human food, which they contaminate with their excrement.