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Flat Faced Longhorn Beetle: Acanthoderes quadrigibba

Posted by January 15th, 2010 at 12:35 pm

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Longhorn Beetles

Acanthoderes quadrigibba in Oklahoma?
January 15, 2009
Hi,
Last June I found this longhorn beetle. It was mottled brown with two white patches on its elytra. It was about a cm long, with black-and-white-banded antennae of the same length. I found pictures of Acanthoderes quadrigibba on BugGuide that looked similar, but I’m not sure if that’s what I found.

acanthoderes quadrigibba kouri1 300x231 Flat Faced Longhorn Beetle:  Acanthoderes quadrigibba

Acanthoderes quadrigibba

BugGuide has their range listed as the Eastern U.S., but I found mine in central Oklahoma. Was this little guy an A. quadrigibba, or just a similar species? Could he have been an introduced specimen, or is Oklahoma within the range for A. quadrigibba? Thanks for the help.
Josh Kouri

acanthoderes quadrigibba kouri 2 284x300 Flat Faced Longhorn Beetle:  Acanthoderes quadrigibba

Acanthoderes quadrigibba

Hi Josh,
The photo looks correct, and BugGuide lists sightings from Texas, so we believe you are correct.

acanthoderes quadrigibba kouri 3 300x275 Flat Faced Longhorn Beetle:  Acanthoderes quadrigibba

Acanthoderes quadrigibba

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