Return to Texas Entomology - Compiled by Mike Quinn
(males have expanded antennal clubs)
Det. and Comment per Ed Riley, "This "species" seems to be restricted to the Colorado River flood plane and also the upper tributaries of that river."
Similar Species:
There are 29 species of Polyphylla for North America (Arnett, et.al. 2002).
Texas Polyphylla species: Per Riley & Wolfe (2003)
Polyphylla decemlineata (Say)
Polyphylla hammondi LeConte
Polyphylla monahansensis Hardy
Polyphylla pottsorum Hardy
Polyphylla speciosa Casey
Polyphylla squamiventris Cazier
Website: Polyphylla - BugGuide
Bibliography:
Arnett, R.H., Jr., M.C. Thomas, P.E. Skelley & J.H. Frank. (editors). 2002. American Beetles, Volume II: Polyphaga: Scarabaeoidea through Curculionoidea. CRC Press. 861 pp.
Riley, E.G. & C.S. Wolfe. 2003. An annotated checklist of the Scarabaeoidea of Texas. Southwestern Entomologist, Supplement, no. 26. 37 pp.
19 Jul 2006 © Mike Quinn / mike.quinn@tpwd.state.tx.us / Texas Entomology / Texas Beetle Information