German Cockroach

Blatella Germanica


Length: From 10 to 14mm. Shiny and brownish yellow in colour. Wings cover the whole abdomen. Two black stripes on the thorax.

Living Areas

Dark, warm and damp corners: kitchen, bathroom, garbage room and chute. Likes dirty mouldy places. Active at night.


Adult: feeds on all organic materials with a preference for food leftovers. Larvae: same food as the adults.


Stains on walls and packaging from excrement. Carries moulds, bacteria, viruses and some intestinal worms responsible for certain illnesses.

Life Cycle

The female carries its eggs in a capsule called an “ootheca” located at the end of its abdomen. The ootheca is shiny brown, rectangular and 7 mm long and 3 mm wide. Each ootheca contains 20 to 50 eggs according to the individual and its diet. The egg incubation period is 17 days. The complete life cycle of the German beetle is between 4 to 6 months.