What is a Cockroach?
The word cockroach is taken from the Spanish cucaracha. The cockroach is characterizable by a flat oval body, long hairlike antennae, and a shining black or brown leathery integument. The head is bent downward, and the mouthparts point backward instead of forward or downward as is the case with the majority of other insects. The male generally has two pairs of wings, while the female, who in some species, is wingless or possesses vestigial wings. The female creates eggs in egg cases (labeled oothecae). These are occasionally held coming from her body or might be glued in protected places. After the female produces an egg case, the soft, white nymphs emerge. As their exoskeleton hardens, it turns brown in hue. The structure and large size (particular species possess a wing span measurement of higher than 12 cm [4.7 inches]) of cockroaches have become a particular study in the biological laboratory.
The cockroach enjoys a warm, humid, dark living environment and is more often than not found living in tropical or other mild temperatures. Only a couple species have become pests. The insect damages more material than it eats and emits a yucky smell. The eating habits of the roach, which is both plant and animal produce, ranges from food, paper, clothing, and books to dead insects, especially bedbugs. Insecticides should be used in roach destroying.
The American cockroach (species Periplaneta americana) is 30 to 50 mm long (up to about 2 inches), reddish brown, and lives out of doors or in dark, heated indoor locations (e.g., basements and furnace rooms). During adult life, a period of about 1.5 years, the female drops 50 or more oothecae, each containing about 16 eggs that hatch after 45 days. Nymphal life lasts from 11 to 14 months. The American cockroach, indigenous to tropical and subtropical America, has well-developed wings. However, many species are usually not good at flying.
The German cockroach (Blattella germanica), a common pest in houses and is sometimes incorrectly thought of as a waterbug, is light brown with two dark stripes on the prothoracic region. The female produces the ootheca three days post mating and carries it for generally about 20 days. Because it is small (about 12 mm [less than 0.5 inch] long), this cockroach generally can be introduced into houses in grocery bags and boxes; it has gone across the globe by ship. Three or more generations might breed yearly. This cockroach, found in abundance around the water pipes of the Croton Aqueduct in New York City, has become known as the Croton bug.
The brown-banded cockroach (Supella supellectilium) is like the German cockroach but is a bit smaller. The male possesses fully developed wings and is lighter in shade than the female, whose wings are undeveloped and nonfunctional. Both sexes have two light-coloured bands along the back. The adult life span is about 200 days, and there could be two generations a year. Eggs can be left in clothes, wood molding, or cracks in the floor. With the innovation of heated buildings this cockroach became more common in cooler temperatures.
The Oriental cockroach (Blatta orientalis) is thought of as one of the filthiest of household pests. It is oval, shiny black or dark brown, 25 to 30 mm (1 to 1.2 inches) long, with a life cycle similar to that of the American cockroach. The male has short, fully developed wings, but the female has vestigial wings. This cockroach has been taken by vehicles of commerce from its Asiatic origins to all the temperate regions.
Wood roaches are not domestic pests. Parcoblatta pennsylvanica, the common wood cockroach, can be found in logs and stones in northern latitudes. The male and female are so differing in appearance that they were initially thought to be different species. The male, 15 to 25 mm (0.6 to 1 inch) long, has wings that extend past the abdomen; the female is smaller and possesses much shorter wings. Cryptocercus punctulatus eats wood with the help of particular protozoans in its digestive tract.
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Posted by: Crane Data Logger 
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