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Photo#189267
Prionus - Prionus californicus - male

Prionus - Prionus californicus - Male
Bonita, San Diego County, California, USA
June 7, 2008
Size: m 3.5 cm, f 6.5 cm
Can anybody please explain the difference between californicus and heroicus???

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Prionus - Prionus californicus - male - female Prionus - Prionus californicus - male

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Prionus californicus
This species is common and widespread across the western U.S. While P. heroicus has been recorded from California, it is encountered primarily in Arizona and New Mexico. Prionus heroicus is distinguished from P. californicus by its very broad prothorax (almost as broad as the base of the elytra) and its darker, not reddish coloration. Also, the male antennae of P. heroicus do not show the pronounced external projections as seen in this male P. californicus.

 
Thanks, Ted
I guess i have a chance to find P. heroicus then here in AZ

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