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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Beetles (Coleoptera) » Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles (Polyphaga) » Long-horned and Leaf Beetles (Chrysomeloidea) » Longhorned Beetles (Cerambycidae) » Prioninae » Prionini » Prionus » California Root Borer (Prionus californicus)
Photo#228726
Prionus californicus
Copyright © 2007 William Ericson

Prionus californicus
Cochise County, Arizona, USA
July 26, 2007
Size: bit more than an 1 inch
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Contributed by William Ericson on 25 September, 2008 - 3:28pm
Last updated 1 October, 2008 - 7:27am

Hard to say...
...the reddish coloration suggests Prionus californicus, but the relatively broader pronotum suggests maybe P. heroicus.
… Ted C. MacRae, 30 September, 2008 - 9:32am login or register to post comments

 
What characteristic should I
What characteristic should I look at to confirm it's ID?
… William Ericson, 30 September, 2008 - 11:13am login or register to post comments

 
californicus...
...just needed to check my literature at home. I wasn't sure whether the pronotal width was sufficient for heroicus (it isn't) - the color is certainly right for californicus, and also the males of that species have the external processes of the antennal segments more pronounced than heroicus.
… Ted C. MacRae, 30 September, 2008 - 7:45pm login or register to post comments

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