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Blattella asahinai Reference Libraries

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Cockroach
2005-08-25 11:23:00

Cockroaches are insects of the order Blattodea. The names of the order are derived from Greek blatta, meaning "cockroach". There are roughly 3,500 species in 6 families. Cockroaches exist worldwide, with the exception of the polar regions and in elevations above 6,500 ft (2,000 m). Among the most well-known species are the American cockroach (Periplaneta Americana) which is about 3 cm long,...

Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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