Monday, 16 July 2012

Cockroach

Cockroach

Cockroach (order Blattodea), also called roach,  any of about 4,000 species of insects that are among the most primitive living, winged insects, appearing today much like they do in fossils that are more than 320 million years old. The word cockroach is a corruption of the Spanish cucaracha. The cockroach is characterized by a flattened oval body, long threadlike antennae, and a shining black or brown leathery integument. The head is bent downward, and the mouthparts point backward instead of forward or downward as is the case in most other insects. The male usually has two pairs of wings, whereas the female, in some species, is wingless or has vestigial wings. The female produces eggs in egg cases (called oothecae). 

Cockroach

Cockroach

Cockroach

Cockroach

Cockroach

Cockroach

Cockroach

Cockroach

Cockroach

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