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Photo#84087
Cerotoma? - Cerotoma ruficornis - male

Cerotoma? - Cerotoma ruficornis - Male
Sarasota County, Florida, USA
May 22, 2006
Looks like Cerotoma (bean leaf beetle genus) but the antennae are not right. What is this?

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Cerotoma? - Cerotoma ruficornis - male Cerotoma? - Cerotoma ruficornis

Cerotoma ruficornis
Ed Riley writes:

"This should be Cerotoma ruficornis (Olivier)."

 
Thanks.
I was wondering if it was C. ruficornis, but I couldn't find any images to back it up. Thanks for checking on it!

 
C. ruficornis images
I don't know if Ed has any photos, but he has co-authored the two main books on chrysomelids, (1), (2) as well as the Chrysomelid chapter in American Beetles (3)... He also has a hundred thousand chrysomelids on pins in his personal collection.

Cerotoma
the antenna are strangely formed in the males of at least most species of Cerotoma. I´ve seen males fight over a leaf with their heads facing each other using their antenna to get the other beetle of the leaf. Maybe this is their use. An other option could be to get a better grip on the female while mating (this is more commonly found in Chrysomelids).

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