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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Nematocera" (Non-Brachycera) » Gnats, Gall Midges, and March Flies (Bibionomorpha) » March Flies (Bibionidae) » Bibio » xanthopus group (Bibio xanthopus group)
Photo#526255
Bibio xanthopus from Sibley Volcanic Preserve - Bibio - male
Copyright © 2011 Ken-ichi Ueda

Bibio xanthopus from Sibley Volcanic Preserve - Bibio - Male
Sibley Volcanic Regional Preserve, Contra Costa County, California, USA
April 3, 2011
Pretty sure I've figured out the species with the help of this post. Amazing how different the females look! Observed in oak woodland, somewhat near a stream.

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Bibio xanthopus from Sibley Volcanic Preserve - Bibio - male Bibio xanthopus from Sibley Volcanic Preserve - Bibio - male
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Contributed by Ken-ichi Ueda on 8 June, 2011 - 9:40pm
Last updated 11 January, 2023 - 11:13am

Moved
Moved from Bibio xanthopus.
… Even Dankowicz, 11 January, 2023 - 11:13am login or register to post comments

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