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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Flies (Diptera) » Aschiza » Syrphid Flies (Syrphidae) » Eristalinae » Eristalini » Helophilus
Photo#42936
Fly - Helophilus
Copyright © 2006 randy newman

Fly - Helophilus
Atlantic Beach, Carteret County, North Carolina, USA
February 15, 2006
Size: Body 1/2 inch long
Helophilus ?
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Contributed by randy newman on 16 February, 2006 - 9:18am
Last updated 16 February, 2006 - 8:20pm

Yes!! :-))
It is Helophilus sp., in this genus the males and females both have eyes that don't touch on top of the head, so it is not certain whether this is a male or female!
Greetings,
Gerard Pennards
… Gerard Pennards, 16 February, 2006 - 10:08am login or register to post comments

 
Question for Gerard.
Are the vertical stripes on the thorax pretty diagnostic field marks for this genus?
… Eric R. Eaton, 16 February, 2006 - 11:30am login or register to post comments

 
Hmmmm..
Hello Eric,
Not really, you can be pretty sure when you see a thorax like this you are in the group where Helophilus is in, but there you will also find genera like Parhelophilus, Anasimyia and Lejops. You can distinguish Helophilus from these by it's pterostigma, which is elongated and not simulates a crossvein, and it's oval abdomen with large orange markings on at least tergite 2!
Greetings,
Gerard Pennards
… Gerard Pennards, 16 February, 2006 - 1:56pm login or register to post comments

 
Moved
to guide page.

Thanks for your help!
… Chuck Entz, 16 February, 2006 - 8:21pm login or register to post comments

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