Polyphylla

Polyphylla is a genus of scarab beetle with most species living in western North America. They typically reside in forests and orchards with most being identified by white elytra scales forming stripes. The adult beetles are often attracted to lights. Polyphylla lay their eggs on soil near plants from where the larvae hatch and burrow down to the roots on which they will feed. They reach maturity in two to three years.

Species

• Polyphylla barbata, endemic to California
• Polyphylla crinita, widespread in western North America.
• Polyphylla decemlineata, occurring mostly in west and north-central US states.
• Polyphylla diffracta, in oak/pinyon pine forests of the southwest United States.
• Polyphylla erratica, in the Amargosa River basin of the southwest United States
• Polyphylla fullo, in North America