What is this insect called?

Asked July 3, 2013, 2:38 PM EDT

What is this insect called?

Vinton County Ohio

1 Response

That is a wheel bug nymph, Arilus cristatus.
The common name derives from the cog-like projection on the back of the mature insect.

At 28-36 mm (females larger than males), is it our largest assassin bug.

bugguide.net/node/view/454