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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Orthorrhapha » Tabanomorpha » Horse and Deer Flies (Tabanidae) » Horse Flies (Tabaninae) » Tabanini » Tabanus
Photo#990164
Tabanus atratus Black Horse Fly - female - Tabanus - female
Copyright © 2014 Richard Wolfert

Tabanus atratus Black Horse Fly - female - Tabanus - Female
East Brunswick, Middlesex County, New Jersey, USA
September 2, 2014
Size: 20mm
Found at CF lights in a wooded backyard.

Despite the heat, it moved sluggishly and allowed for a good shot.
I would imagine that this is fairly common here but this is the first NJ post for this in September.
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Contributed by Richard Wolfert on 3 September, 2014 - 12:02pm
Last updated 23 September, 2014 - 6:28am

not atratus
i got stuck at couplet 73 of Stone's key: fore tibia unicolorous vs. bicolored ?
… A.W. Thomas, 18 April, 2018 - 2:53pm login or register to post comments

Moved
Moved from Black Horse Fly.
… John S. Ascher, 23 September, 2014 - 6:28am login or register to post comments

ID?
I doubt this is Tabanus atratus.
… John F. Carr, 3 September, 2014 - 1:37pm login or register to post comments

 
Suggestions?
This was posted after an ID was offered from a 'higher authority', John. I certainly CANNOT comment on flies with any authority. All I could do was get to the genus level. Do you have a suggestion as to what it might be? I'll go with the consensus of people who know much better than I. Thanks.
… Richard Wolfert, 3 September, 2014 - 5:03pm login or register to post comments

 
Tabanus catenatus?
Tabanus catenatus looks similar. I can't be sure of genus.
… John F. Carr, 3 September, 2014 - 5:22pm login or register to post comments

 
Interesting!
That was my first guess, John…(see here: https://www.facebook.com/photo.php?fbid=837707152928982&set=gm.464834830325709&type=1&theater). But I wouldn't call it skill, just dumb luck. However, I was 'corrected' and then posted here with that information. I wish someone else would chime in.
… Richard Wolfert, 3 September, 2014 - 6:27pm login or register to post comments

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