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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 » Callipogonini » Ergates » Ponderous Borer (Ergates spiculatus)
Photo#230127
Northern California Coast - Ergates spiculatus
Copyright © 2008 Hayley Ross

Northern California Coast - Ergates spiculatus
Fort Bragg, CA, Mendocino County, California, USA
September 30, 2008
Size: 2 1/4 inches
This large brown beetle was found upside-down on the cement outside my office. It was alive, apparently, as it moved it's legs when I turned it right side up. It did not try to walk away, however. Missing lower part of hind leg.

Images of this individual: tag all
Northern California Coast - Ergates spiculatus Northern California Coast - Ergates spiculatus Northern California Coast - Ergates spiculatus
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Contributed by Hayley Ross on 30 September, 2008 - 2:49pm
Last updated 2 October, 2008 - 11:45am

This is a long-horned beetle
This is a long-horned beetle in the subfamily Prioninae
… Will Chatfield-Taylor, 30 September, 2008 - 3:38pm login or register to post comments

 
Yes, the "ponderous borer"
This is a "ponderous borer," Ergates spiculatus. Nice find.
… Eric R. Eaton, 30 September, 2008 - 3:56pm login or register to post comments

 
Ponderous borer
An alternate common name (from Insects of the Pacific Northwest by Peter and Judy Haggard): Spined Woodborer

Another individual was found nearby today. Must be the time of year.
… Hayley Ross, 1 October, 2008 - 3:44pm login or register to post comments

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