hover fly

World English Dictionary
hover fly
 
n
any dipterous fly of the family Syrphidae, with a typically hovering flight, esp Syrphus ribesii, which mimics a wasp

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
Encyclopedia

hover fly

any member of a family that contains about 6,000 species of insects in the fly order, Diptera. Their various common names refer to the behaviour of hovering around flowers. Hover flies, with their yellow markings, resemble wasps or bees but do not bite or sting. They are distinguished from other flies by a false (spurious) vein that closely parallels the fourth longitudinal wing vein. The species vary from small, elongated, and slender (e.g., Baccha) to large (bumblebee size), hairy, and yellow and black (Criorhina).

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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