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American cockroaches are reddish to dark brown, with red and tan on their head. Adults are 20 - 40mm long, with wings longer than the abdomen in males, and shorter than in females. The nymphs are exact replicas of their parents.
It will take an American cockroach over 1 year to reach from egg to adult. A female will lay around 50 oothecae (Egg Case) in her lifetime, with around 10-16 eggs per ootheca. Nymphs will go through 10-13 moults before they become adults.
The American cockroach is the largest of the common cockroach pests found in Britain. Not as common as the German or Oriental, they are omnivorous eating anything from decomposing food to other roaches.
These cockroaches are often found in sewers, heating ducts greenhouses and large central heating areas, such as a hotel or hospital boiler rooms.
The American cockroach is the largest of the common cockroach pests found in Britain. Not as common as the German or Oriental
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