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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Flies (Diptera) » "Orthorrhapha" (Brachycera excluding Aschiza and Schizophora) » Asiloidea » Bee Flies (Bombyliidae) » Anthracinae » Anthracini » Anthrax
Photo#253818
Anthrax sp - Anthrax
Copyright © 2008 Lynn Monroe

Anthrax sp - Anthrax
Anza-Borrego Desert State Park, San Diego County, California, USA
May 1, 2008
Size: BL ~ 13-13.5 mm
This rather dark bee fly was found on 1 May 2008 in Sentenac Cienega. The thorax seems bilobed and the wing venation seems to be close to that of Aphoebantus. However, the Aphoebantus on BugGuide seem to have a different more cone-shaped abdomen.

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Anthrax sp - Anthrax Bombyliid maybe Aphoebantus - Anthrax
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Contributed by Lynn Monroe on 17 February, 2009 - 4:56pm
Last updated 23 February, 2009 - 6:06pm

ID
This is a species of Anthrax. Note the more spherical head on a longer neck. In Aphoebantus, the vein r2+3 emerges at an acute angle. In this fly, the vein emerges at a right angle to r4+5, though a black spot clouds the view here.
From the picture, I can't tell the species.
… Andy Calderwood, 18 February, 2009 - 10:06am login or register to post comments

 
Anthrax vs Aphoebantus
Thanks so much for the info on how to tell these two species apart, Andy. I've just been studying Anthrax and Aphoebantus wings and I think I see this trait. I'm going to submit one other image that I think is an Aphoebantus that I think has the emergence at an acute angle.
… Lynn Monroe, 18 February, 2009 - 11:32am login or register to post comments

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