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Photo#1517934
Bibio genus march fly pair - Bibio vestitus - male - female
Copyright © 2018 Dave Trochlell

Bibio genus march fly pair - Bibio vestitus - Male Female
La Grande, Union County, Oregon, USA
May 8, 2018
It was a lucky break to find this pair of Bibio genus march flies "in copula". I was amazed to see this species' degree of sexual dimorphism. This pair was attracted to lights and discovered on my daily moth survey.

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Bibio genus march fly pair - Bibio vestitus - male - female Bibio genus march fly pair - Bibio vestitus - male - female
Contributed by Dave Trochlell on 9 May, 2018 - 9:16am
Last updated 9 May, 2018 - 4:34pm

Moved
Moved from Bibio.
… John F. Carr, 9 May, 2018 - 4:34pm

 
Thank you!
John,

Thank you for the species identification! That's great news!
… Dave Trochlell, 10 May, 2018 - 8:03am

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