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Wheel Bug

Arilus cristatus (species)

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The wheel bug (Arilus cristatus) is a species of large assassin bug in the family Reduviidae (literally, "hangnail"). It is one of the largest terrestrial true bugs in North America, reaching up to 1.5 inches (38 mm) in length in its adult stage. It is sexually dimorphic, in that males are somewhat smaller than the females. A characteristic structure is the wheel-shaped pronotal armor. Wheel bugs prey on caterpillars and beetles, such as Japanese beetles, the cabbage worm, orange dogs, tent caterpillars, and the Mexican bean beetle, all of which they pierce with their beak to inject salivary fluids that dissolve soft tissue. The wheel bug is most active in daylight, but may engage in predatory behaviors at night in areas illuminated by lights. Because most of its prey are pests, the wheel…

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Range Maps show field notes recorded by Natural Atlas contributors and other datasets via GBIF.org

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