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Fairyfly: The Smallest of Insects
Jun 8 2011 5:55:25 pm EST
Fairyflies are tiny parasitic wasps whose eggs are laid and larvae reared within the tiny eggs of larger insects. Their size varies to less than half a millimeter, to 4 mm. One genus (Alaptus), parasitic on Psocoptera eggs, approaches the record of 0.18 mm.
The required thrust and lift is so tiny proportional to the body that the wings of some fairyflies are made of tiny hairs or bristles instead of a continuous membrane.