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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » Orthorrhapha » Tabanomorpha » Horse and Deer Flies (Tabanidae) » Horse Flies (Tabaninae) » Diachlorini » Stenotabanus » Stenotabanus psammophilus
Photo#1626783
White Horsefly? - Stenotabanus psammophilus - male
Copyright © 2019 sarinole

White Horsefly? - Stenotabanus psammophilus - Male
Dr. Von D. Mizell-Eula Johnson State Park, Dania, Broward County, Florida, USA
January 7, 2019
Perched on a bed of drying seaweed on the beach.

Images of this individual: tag all
White Horsefly? - Stenotabanus psammophilus - male White Horsefly? - Stenotabanus psammophilus - male
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Contributed by sarinole on 12 January, 2019 - 10:21pm
Last updated 23 January, 2019 - 10:04am

Moved
Moved from Leucotabanus annulatus.
… A.W. Thomas, 23 January, 2019 - 10:04am login or register to post comments

Moved
Moved from Horse and Deer Flies.
… A.W. Thomas, 13 January, 2019 - 7:04am login or register to post comments

 
What about Stenotabanus?
What about Stenotabanus?
… Arturo Santos, 22 January, 2019 - 10:01pm login or register to post comments

 
yes!
a better fit
… A.W. Thomas, 23 January, 2019 - 6:44am login or register to post comments

 
Could you please...
...explain the differences between the two for future reference? They are so similar in appearance (sigh). Appreciate your help!
… sarinole, 24 January, 2019 - 10:07am login or register to post comments

 
At least in life the wings ap
At least in life the wings appear more opaque whitish in Stenotabanus but are clear in Leucotabanus. Leucotabanus is also sexually dimorphic with the females being more darkly colored than the males. Males have the eyes touching above the head while females have them smaller and separated. The males are the ones that are likely to be confused with these Stenotabanus since they're quite whitish. Both male and female Nearctic Stenotabanus (subgenus Aegialomyia) are whitish. Out west, there are some Stenotabanus (subgenus Stenotabanus) that are not whitish and have additional colors or patterns. However, as for the east, ones that are whitish, with also opaque whitish wings, and coastal in habitat, should be Stenotabanus (Aegialomyia).

In addition, on the wings, Stenotabanus tend to have a spur vein/stump/appendix on vein R4 that should be absent in Leucotabanus and the frons is wider in the female Stenotabanus than in Leucotabanus.
… Arturo Santos, 29 March, 2020 - 9:30pm login or register to post comments

Moved
Moved from ID Request.
… John F. Carr, 13 January, 2019 - 7:00am login or register to post comments

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