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BeetlesBrown bug with white spots on back
July 29, 2009
I recently found this bug crawling on my floor. I grabbed my camera as I”ve not seen it before. It had 4 white spots (the image below shows 2) that looked to be pretty symmetrical.
The antenne are about 3″ long or so.
To give an estimate, it’s about 2″ long
I found this just now (Jul 29, 2009) in Missouri.
Matt
Southeast Missouri
Ivory Marked Beetle
Hi Matt,
This is an Ivory Marked Beetle, Eburia quadrigeminata, a species in the family Cerambycidae also known as the Four Marked Ash Borer. BugGuide has some information on this species including: “Larvae bore into heartwood of deciduous trees, esp. ash, hickory. May emerge from finished lumber years after milling.”
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