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Love Bug - Plecia nearctica - female

Love Bug - Plecia nearctica - Female
Mobile (Dog River), Mobile County, Alabama, USA
September 10, 2010
Size: ~12-14mm
First fall love bug I've seen.

Species ID
How did you distinguish this from the other Plecia species?

This is one of my first insects when I started on BG a couple years ago. At that time, I was "ID'ing" everything from Kaufman. Guess I just assumed all Love Bugs were Plecia neartica and kept adding/unlinking to the original. Since no one ever said differently, I figured it was right.

BTW I corrected the size of this specimen, when I saw another last night. Is it possible to differentiate between species?

This is most likely P. nearctica because the other species is found only in the spring. I didn't know that when I asked. The best gross physical difference is color of sides of thorax, which is not clearly visible here.

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