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Wheel bug

Arilus cristatus


The wheel bug is a large bug (true bug, Hemiptera), ranging from an inch to an inch and a half in length. Its most noticeable feature (and its common namesake) is the cogwheel crest on its pronotum. It is the only insect in North America with such a trait, making it very distinctive.


The wheel bug is surprisingly little-studied, and I have summarized most of the available scientific information about the wheel bug on my blog, which you can read here if you are interested in learning more about the wheel bug:

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JOHN2 11 years ago

A most ineresting bug and blog. I will start carefully lookiing for them. Thanks so much for info. and pics.

Yasser 11 years ago

one of north america's most interesting bugs. thanks for sharing derek! I owe you an email and will get to it ASAP :)

peter 11 years ago


Spotted by

Ohio, USA

Spotted on Sep 6, 2010
Submitted on Feb 4, 2011

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Wheel Bug Arilus cristatus Wheel Bug Wheel bug

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