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  1. Arilus cristatus - Wikipedia

    North American wheel bugs are highly regarded by organic gardeners because they consume a variety of insects and their presence indicates a healthy, pesticide-free ecosystem.

  2. The Wheel Bug (Arilus cristatus) – Bug Beats - Sites at Penn State

    Mar 21, 2025 · The Wheel Bug is the only member of the Arilus genus in North America, whose most notable feature is the large notched “wheel” crest on the pronotal segment of the thorax.

  3. Wheel Bug - Insect Identification

    Jan 31, 2025 · These small red and black larvae molt many times before growing to adult size and developing the 'wheel' on their backs. The fang is present even at this early stage of life. The Wheel …

  4. So, Just What is a Wheel Bug? - Carnegie Museum of Natural History

    Arilus cristatus also carries the common name of ‘wheel bug’ due to the distinctive, serrated crest on its pronotum that in profile resembles a portion of a wheel or gear. No other insect in the United States …

  5. Species Arilus cristatus - North American Wheel Bug

    Sep 29, 2024 · An online resource devoted to North American insects, spiders and their kin, offering identification, images, and information.

  6. The Assassin Bug – A Scary, But Beneficial Garden Insect

    The Wheel Bug is a species of Assassin Bug found in North America with a painful bite. Scientifically known as Arilus cristatus, they have a semicircle spiny ridge behind their head which resembles a …

  7. Wheel Bug - Missouri Department of Conservation

    Wheel bugs are easily identified by the coglike “wheel” on their backs. Like most true bugs, this species has membranous wings that fold flat along the back when at rest (creating an X pattern on the back), …

  8. The Wheel Bug | Entomology

    The wheel bug is a large insect (1 to 1-1/2 inches in length) found in meadows, on trees and shrubs, and occasionally on buildings throughout Kentucky. It gets its common name from the shape of a …

  9. Wheel bug | Arthropod Museum

    Wheel bugs are among the largest terrestrial true bugs in the United States, with adults measuring 1.0 to 1.25 inches long. They have a characteristic dorsal crest on the thorax that resembles a cogwheel or …

  10. Watch Out for a Wheel Bug in Your Garden - Birds and Blooms

    Oct 28, 2024 · Wheel bugs are beneficial in the garden, but they deliver a painful bite when disturbed by humans. What Is a Wheel Bug? A wheel bug (Arilus cristatus) is a fairly large member (up to 1.5 …