Thursday, April 8, 2010

Cardiophorus aeneus

Here is a picture of a small click beetle (just under a centimeter long) that you don't see very often. It's Cardiophorus aeneus, a Western species that shows up infrequently in collections. I came across a population a couple of weeks ago just west of Kerman (Fresno County) California in the tall grass of an alkali meadow. I was actually out looking for another species and just happened to find it. It's pretty distinctive as far as Cardiophorus goes. It has a metallic bronze luster to it although this is hard to see through the thick gray matte of setae. The elytra are also a bit uneven on top, bearing a few broad elevated areas. this is different than most related species where the elytra are fairly flat, or at least evenly convex. It's a nice find.

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