Priacma serrata  - Bleach Beetle, Reticulated Beetle
Archostemata, Cupedidae
Northern Sierra Nevada, California, USA

photograph © Alex Wild 2005

Close-up of a reticulated beetle.  These anachronistic insects are strikingly similar to some of the oldest fossil beetles from the Permian.  

USA CA, El Dorado Co.: 16 km E Georgetown, Blodgett Forest.  22.v.2005 38º54'N 120º38'W, 1270m.  Partially logged coniferous forest.
#AW2629, voucher specimens in ALWC.

This image is copyrighted by the photographer and cannot be used without permission. To obtain permission to use this image, please email Alex Wild. (alwild (at)  Most of the photographs on are reduced from their original size and compressed for more efficient web transmission.  In some cases, higher quality versions are available.

This image was captured with a Canon EOS D60, with a Canon 65/2.8 MPE 1-5x Macro lens.