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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Orthorrhapha » Empidoidea » Longlegged Flies (Dolichopodidae) » Hydrophorinae » Hydrophorus » Hydrophorus alboflorens
Photo#28805
Fly on water - Hydrophorus alboflorens - male
Copyright © 2005 tom murray

Fly on water - Hydrophorus alboflorens - Male
Pittsburg, Coos County, New Hampshire, USA
August 15, 2005
Size: 6mm head to wingtips
This little fly would float in a puddle, then fly and land on the water again. It reminded me of a water strider.
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Contributed by tom murray on 18 August, 2005 - 6:21pm
Last updated 10 March, 2006 - 6:39pm

This was just identified to species by
Richard L. Hurley, Affiliate Professor, Associate Curator
Montana Entomology Collection - Montana State University.
Thanks to Dr. Marc Pollet for contacting Richard L. Hurley.
… tom murray, 10 March, 2006 - 6:49pm login or register to post comments

Identification
This (most probably male) specimen belongs to the genus Hydrophorus (or perhaps Hydatostega) and are known to scate on water surfaces in search for prey or mates. Hydrophorus is a rather species rich genus in the northern Hemisphere and has been treated thorougly by prof. Richard Hurley (State University of Montana) who is an as absolute authority on this and other hydrophorine genera(see Hurley, 1985, 1995).
… dr Marc Pollet, 7 February, 2006 - 5:39am login or register to post comments

 
Very interesting behavior
I'll try contacting prof. Richard Hurley for any further information on this fly. Dr Pollet, thank you for all the assitance you've given.
… tom murray, 7 February, 2006 - 7:37am login or register to post comments

Long-legged Fly
This is a Long-legged Fly, family Dolichopodidae. I wouldn't want to hazard a guess as to what genus.
… Terry Thormin, 19 August, 2005 - 10:53am login or register to post comments

 
Dolichopodidae
This fly certainly has long legs. Thanks for the ID Terry.
… tom murray, 19 August, 2005 - 11:07pm login or register to post comments

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