The word cockroach is rooted in the Spanish cucaracha. The cockroach is recognizable by a flattened oval body, long hairlike antennae, and a shiny black or brown leathery integument. The head is held downward, and the mouthparts are directed to the rear instead of forward or downward as is the case for many other insects. The male often has two pairs of wings, unlike the female, who in some species, is wingless or possesses vestigial wings. The female generates eggs in egg cases (labeled oothecae). These are sometimes held protruding from her body or can be stuck in protected parts. After the female produces an egg case, the soft, white nymphs emerge. As their exoskeleton toughens, it turns brown in hue. The form and remarkable size (particular species demonstrate a wing spread of higher than 12 cm [4.7 inches]) of cockroaches have become objects of area in the biological laboratory.

The cockroach likes a warm, humid, dark habitat and is usually found thriving in tropical and other mild locations. Only a small number species have become pests. The insect inflicts damage on more material than it consumes and has a unpleasant scent. The food preference of the roach, which is both plant and animal products, can be from food, paper, clothing, and books to dead insects, especially bedbugs. Insecticides could be used in roach killing.

The American cockroach (species Periplaneta americana) is 30 to 50 mm long (up to about 2 inches), reddish brown, and lives outdoors or in dark, heated indoor spaces (e.g., basements and furnace rooms). In adult life, generally about 1.5 years, the female creates 50 or more oothecae, each holding about 16 eggs that hatch after 45 days. Nymphal life takes from 11 to 14 months. The American cockroach, originally from tropical and subtropical America, possesses well-developed wings. However, many species are usually not good flyers.

The German cockroach (Blattella germanica), a common pest in houses and is often incorrectly referred to as a waterbug, is light brown with two dark stripes on the prothoracic region. The female deposits the ootheca three days post mating and carries it for generally around 20 days. Because it is tiny (about 12 mm [less than 0.5 inch] long), this cockroach often is brought into households in grocery bags and boxes; it has spread throughout the globe by ship. Three or more generations might occur yearly. This cockroach, found in abundance through the water pipes of the Croton Aqueduct in New York City, is now labeled the Croton bug.

The brown-banded cockroach (Supella supellectilium) is like the German cockroach but is a little bit smaller. The male has wholly developed wings and is paler in colour than the female, whose wings are undeveloped and nonfunctional. Both sexes have two light-coloured bands across the back. The adult life span is roughly 200 days, and there might be two generations annually. Eggs are be dropped in clothes, wood molding, or cracks in the floor. With the advent of heated buildings this cockroach became established in cooler locations.

The Oriental cockroach (Blatta orientalis) is held to be one of the most disgusting 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 possesses short, fully developed wings, while the female has vestigial wings. This cockroach has been carried by vehicles of commerce from its Asiatic origins to every temperate regions.

Wood roaches are feral pests. Parcoblatta pennsylvanica, the common wood cockroach, may be found under logs and stones in northern latitudes. The male and female are so different in appearance that they were once thought to be separate species. The male, 15 to 25 mm (0.6 to 1 inch) long, has wings that expand past the abdomen; the female is smaller and has much shorter wings. Cryptocercus punctulatus eats wood with the help of select protozoans in its digestive tract.

Got a cockroach or pest problem? If you’re looking for pest control Brisbane or a pest exterminator Brisbane, contact Brislander today.

Sponsors