Banded Net-Winged Beetle mating frenzy

Subject: What beetle
Location: Central MA
July 27, 2016 4:11 am
A friend thinks a costa Rican beetle I think they were showing off
Signature: Inazuma Hiro

Banded Net-Winged Beetle
Banded Net-Winged Beetle

Dear Inazuma,
In a sense, you and your friend are both correct.  These are Banded Net-Wing beetles,
Calopteron reticulatum, and based on this Alamy image, the species ranges as far south as at least Costa Rica.  You image depicts quite a mating frenzy.

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