Wheel Bug with Prey
by Kristin Elmquist
Title
Wheel Bug with Prey
Artist
Kristin Elmquist
Medium
Photograph
Description
The wheel bug (Arilus cristatus), in the family Reduviidae, is one of the largest terrestrial true bugs in North America, being up to 1.5 inches in length. A characteristic structure is the wheel-shaped pronotal armor. They are predators upon soft-bodied insects such as caterpillars, Japanese beetles, etc., which they pierce with their beak to inject salivary fluids that dissolve soft tissue. Because most of their prey are pests, wheel bugs are considered as beneficial to the garden as ladybugs. They are also known for eating stinkbugs.
Wheel bugs are common in eastern North America, although many people in the region have never seen them. They are camouflaged and very shy, residing in leafy areas and hiding whenever possible. They have membranous wings, allowing for clumsy, noisy flight which can easily be mistaken for the flight of a large grasshopper. The adult is gray to brownish gray in color and black shortly after molting, but the nymphs (which do not yet have the wheel-shaped structure) have bright red or orange abdomens.
Uploaded
October 29th, 2015
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