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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Flies (Diptera) » "Orthorrhapha" (Brachycera excluding Aschiza and Schizophora) » Empidoidea » Longlegged Flies (Dolichopodidae) » Hydrophorinae » Hydrophorus
Photo#247167
Hydrophorus sp at Borrego Sink, 25 Mar 2005 - Hydrophorus
Copyright © 2005 Lynn Monroe

Hydrophorus sp at Borrego Sink, 25 Mar 2005 - Hydrophorus
Borrego Springs, San Diego County, California, USA
March 25, 2005
Size: BL ~ 25 mm
This fly was one of a swarm of flies at a puddle at the very alkaline and usually very dry Borrego Sink. We think it is a brine fly (Ephydridae) because of this habitat. Also, what I can see of the wing venation also indicates Ephydridae. The lower eyes or perhaps the face seem to be faintly rimmed with white

Update: Identified by Mattias Buck to family, Dolichopodidae, and by Scott Brooks to genus, Hydrophorus.
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Contributed by Lynn Monroe on 31 December, 2008 - 3:31pm
Last updated 27 March, 2009 - 5:21pm

Moved
Moved from Longlegged Flies.
… Matthias Buck, 27 March, 2009 - 5:21pm login or register to post comments

Dolichopodidae
is another family common in this kind of habitat. They differ among other things by the wing venation (check out the first strong vein: it ends far from the wing base; in Ephydridae this vein is very short). Antennae are also very different.
… Matthias Buck, 1 January, 2009 - 2:31pm login or register to post comments

 
Hydrophorus
I so appreciate your identifying this fly to family.

Scott Brooks, a Dolichopodidae taxonomic specialist, has identified it to a genus, Hydrophorus.
… Lynn Monroe, 15 March, 2009 - 12:26pm login or register to post comments

 
Dolichopodidae
Family Dolichopodidae is a surprise! Yes I do see about the short wing vein in Ephydridae. Thanks so much for heading me in the right direction.
… Lynn Monroe, 1 January, 2009 - 4:05pm login or register to post comments

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