BioCycle Insects Library

Description
Adults are up to 53mm long, reddish brown except for a pale brown to yellowish band around edge of head shield. Both male and female have wings and are moderately good fliers.

Biology
On average the capsule contains 14 - 16 eggs. Development time can be anywhere from 5 to 26 months. They live about 14 months.

Habit
American cockroaches are found in residences, commercial buildings and drainage & sewer systems. They have a likeness for fermenting foods. During summer months they are found outdoors.

 

Description
Adult Oriental cockroaches are about 32mm in length. Both male and female adults are very dark brown, nearly black with a greasy sheen. They have thick bodies with very short wing covers on top. They can not fly.

Biology
The egg case brown, and purse shaped and contains 16 eggs. Immature cockroaches emerge in 6 to 8 weeks and require 6 to 12 months to mature. Adult cockroaches can live up to one year.

Habit
They enter houses via sewer connections, under doors, around utility pipes, air ducts, or other openings in the foundation. They are found with decaying organic matter indoors and out. Indoors, Oriental cockroaches prefer dark, moist areas.

 

Description
Adults are about 12mm in length. They are light brown to tan and have 2 dark longitudinal stripes on the head shield. They are strong fliers. Their colour is similar to the German cockroach.

Biology
The egg capsule is yellowish brown but usually two-toned. Each capsule holds about 30 - 40 eggs. The female carries her egg capsule until about 1 - 2 days before the young are ready to hatch. Development time is approx. 65 days.

Habit
Adults will fly when disturbed. Outdoors, they are typically found in shaded areas with thick grass or abundant litter. At night they are attracted to lights, light reflected from surfaces and windows.

 

Description
Adults are about 12mm in length. They are light brown to tan except for 2 dark longitudinal stripes on the head shield. Females are darker than males. They rarely fly.

Biology
The egg capsule is yellowish brown but usually two-toned. Each capsule holds about 30 - 40 eggs. The female carries her egg capsule until it is within 1 - 2 days of hatching. Developmental time usually varies from 54 - 215 days. The adults will live about 100 - 200 days.

Habit
German cockroaches prefer warm and humid areas. They are found in kitchens, restaurants and bathrooms. Infestations often occur in rooms where people eat and drink. They feed on almost anything of nutrition value including such things as soap and glue.

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