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Latest Pennsylvania wood cockroach Stories

2011-12-19 16:17:35

A North Carolina State University discovery of the unique chemical composition of a cockroach signal – a "Let's hook up" sex pheromone emitted by certain female wood cockroaches to entice potential mates – could have far-ranging benefits, including improved conservation of an endangered woodpecker.


Latest Pennsylvania wood cockroach Reference Libraries

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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, and the German cockroach (Blattella germanica) about 1.5 cm long. Tropical cockroaches are often...

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Word of the Day
upstander
  • A person who stands up for something, as contrasted to a bystander who remains inactive.
  • One of the upright handlebars on a traditional Inuit sled.
The word 'upstander' in the first sense here is a play on the word 'bystander' and the idea of 'standing up' for something.