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Cicadas Reference Libraries

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Cicada
2005-09-09 08:22:08

A cicada is any of several insects of the order Hemiptera, suborder Homoptera, with small eyes wide apart on the head and transparent well-veined wings. Cicadas live in temperate to tropical climates. Taxonomy There are many thousands of cicada species. The largest are in the genera Pomponia and Tacua. There are some 200 species in 38 genera in Australia, about 100 in the Palaearctic and...

Magicicada
2005-08-25 11:14:44

Magicicada is the genus of the 13- and 17- year periodical cicadas of eastern North America. These insects display a unique combination of long life cycles, periodicity, and mass emergences. They sometimes go by the common name "seventeen-year locust", but they are not locusts at all; locusts belong to the order Orthoptera. Taxonomy There are seven recognized species. Three species have a...

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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