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Sphaeriidae

   Also found in: Wikipedia 0.01 sec.
Sphaeriidae [sfə′rīยทə‚dē]
(invertebrate zoology)
The minute bog beetles, a small family of coleopteran insects in the suborder Myxophaga.

Sphaeriidae 

a family of small hemispherical beetles measuring 0.6–1.0 mm in length. The hind wings have a fringe of long hairs, and the elytra are not reduced. The beetles live along shores in sand and flotsam. One species occurs in the USSR. The family has not been widely studied.



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There are 266 species in North American fresh waters, including 227 in the Superfamily Unionacea, 37 in the Family Sphaeriidae (four introduced), and two additional exotics, Corbicula fluminea (Asiatic clam) and Dreissena polymorpha (zebra mussel) (McMahon 1991).
 
 
 
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