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Tile Horned Prionus

Posted by July 19th, 2009 at 5:09 am

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Longhorn Beetles

2 Large Unidentified Bugs, Possibly Beetles, With Large “Feathery” Antenna
July 18, 2009
Hi there! We found these two bugs yesterday floating in our cat’s water dish on the back porch. They appear of the same type, I assume they are male and female, who were attempting an ill-fated waterside rendezvous.
We are in the middle of South Carolina and it is currently the middle of the summer here… bug season for sure!
In the photo, the smaller and slightly lighter colored bug was impossible to keep flipped over. However, its back looked just like the other bug. Both have longish, almost “feathery” looking antenna, which we found unusual.
We’ve seen lots of beetles before, but none like these (if that is what they are). We would appreciate your help in identifying these two bugs! Thanks!
Rinella Family, SC
Southeastern US, Pelion, SC

prionus imbricornis rinella 300x217 Tile Horned Prionus

Tile Horned Prionids

Dear Rinella Family,
Each of your beetles is a male Tile Horned Prionus, Prionus imbricornis.
There is a natural size range that has nothing to do with the sex of the beetles.  The antennae distinguish the male from the female.  We suspect your cat dish was near a light source since these beetles are often attracted to lights.

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