Ground Beetle - "Beautiful Black Searcher"
Genus Callisthenes
Species possibly
Callisthenes luxatus

Callisthenes
I found this "Beautiful Black Searcher" and a few of its friends on Antelope Island just running around searching for food.
It hardly ever paused and photographing it was a nightmare.  Callisthenes tend to hide in holes or in any ground cover they
find handy.  According to an Idaho Agricultural Experimental Station Bulletin these shiny rotund little beetles have been
seen eating Eleodes (stink beetle) larvae.  Ground Beetles in general eat all kinds of things like decaying matter
and larvae.  I'm no lover of beetles but I have come to appreciate that many are beneficial and are not just here
 to freak us out. © Carol Davis, 3-1-2011

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