Wheel-bug definition

A large assassin bug (Arilus cristatus) of North America that has a notched, wheellike projection on the back of the thorax and preys on other insects.
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A large North American assassin bug (Arilus cristatus) distinguished by a high, saw-toothed crest on the prothorax: it sucks the blood of other insects.
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Other Word Forms

Noun

Singular:
wheel-bug
Plural:
wheel bugs