The German cockroach (Blattella germanica) is a species of small cockroach, typically about 1.1 to 1.6 cm (0.43 to 0.63 in)[1][2] long. In color it varies from tan to almost black, and it has two dark, roughly parallel, streaks on the pronotum running anteroposteriorly from behind the head to the base of the wings. Although B. germanica has wings, it can barely fly, although it may glide when disturbed.[3] Of the few species of cockroach that are domestic pests, it probably is the most widely troublesome example.[4] It is very closely related to the Asian cockroach, and to the casual observer, the two appear nearly identical and may be mistaken for each other. However, the Asian cockroach is attracted to light and can fly like a moth, while the German cockroach cannot.
[Wikipedia]
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