California Beetle Project > Species Pages > Megasternum posticatum
Scientific name: Megasternum posticatum (Mannerheim)
Images (click to enlarge)
What it looks like:
1.6-2.0 mm in length. Its body is very robust and oval-shaped. It is dark reddish-brown, with light brown antennae and feet. The elytra have distinct striae, or rows of punctures, that extend the length of the wing coverings in evenly spaced rows.
Where you'll find it: This species is found all along the Pacific coast from southern Alaska through California.
Natural History: These beetles can occur in a wide variety of rotting organic material from horse dung to seaweed to rats' nests.
This page was written by Maren Farnum, a 2005 California Beetle Project intern.