Subject: Cockroach?
Location: Corona, CA, USA
July 13, 2015 12:06 pm
I found this bug dead in the gutter in front of our house. We are in Corona, CA and are backed up to the Cleveland National Forest (5 feet passed our gate ). The weather here has been sunny, low to mid 80s for a few days now. There was a sprinkle of rain a few days ago. I put my foot next to the bug for size reference, it was maybe 2.5 to 3 inches long. What is this thing? It almost looks like a cockroach but I can’t find any that look like this.
Signature: Kate

California Prionus

California Prionus

Dear Kate,
This magnificent beetle is a California Prionus, and according to BugGuide:  “Adults active summer through early fall; fly at dusk or in the evening.  Food  Larva feed primarily on living deciduous trees (oaks, madrone, cottonwood) and are also recorded from roots of vines, grasses, and decomposing hardwoods and conifers. Will also attack fruit trees growing on light, well-drained soils (e.g. apple, cherry, peach).”  Your proximity to the Cleveland National Forest is likely a factor in your sighting.

Location: Corona, California

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