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Funded in part by award DEB0447694 from the National Science Foundation to M. Caterino.

Last updated 01/16/2009

  California Beetle Project > Species Pages > Polyphylla decemlineata


Scientific name: Polyphylla decemlineata (Say)
    Order Coleoptera
    Superfamily Scarabaeoidea
    Family Scarabaeidae

Images (click to enlarge)

What it looks like: 30.0 mm in length. Its body is elongate, robust, and has distinctive alternating "stripes" of white and brown. Yellow and white small, depressed hairs, called squamae, cover the body. The males have long large antennae that are clubbed and curved, facing downward. Females have much smaller antennae, and their bodies are more rotund than the males.

Where you'll find it: This species is one of the most commonly collected beetles in North America. It is found as far east as northern Nebraska but is most abundant in the western United States, Canada and Baja, California.

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