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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Hover Flies (Syrphidae) » Eristalinae » Eristalini » Helophilina » Helophilus » Helophilus fasciatus
Photo#1736793
Helophilus fasciatus
Copyright © 2019 WowSoMany

Helophilus fasciatus
Ithaca, Tompkins County, New York, USA
October 8, 2019
I think this may be H. latifrons because scapes and pedicels appear black (not orange), and black pile on head does not extend onto frons to antennae. But I'm aware of risk of confusion and also aware that latifrons is less common

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Helophilus fasciatus Helophilus latifrons? - Helophilus fasciatus
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Contributed by WowSoMany on 8 October, 2019 - 2:36pm

Moved
Moved from Syrphid Flies.
… Ken Wolgemuth, 8 October, 2019 - 3:21pm login or register to post comments

Helophilus fasciatus ... male
In a zoomed image you can see the scape and pedicel is dusky brown which can be the case in fasciatus. In latifrons they are distinctly coal black. The frons is too narrow for latifrons.
H. latifrons have the markings on tergite 2 noticeably widening toward posterior side margins and males have the inner margins of markings on tergite 2 more square. More rounded in fasciatus.
… Bill Dean, 8 October, 2019 - 2:56pm login or register to post comments

 
Thank you very much, Bill, fo
Thank you very much, Bill, for your clear, detailed, and enlightening response!
… WowSoMany, 8 October, 2019 - 7:47pm login or register to post comments

Moved
Moved from ID Request.
… Ken Wolgemuth, 8 October, 2019 - 2:52pm login or register to post comments

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