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Photo#122713
Green eyed fly - Stonemyia isabellina - male

Green eyed fly - Stonemyia isabellina - Male
Waubonsie State Park, Fremont County, Iowa, USA
June 28, 2007
Size: approx. 1/2"
This large green eyed fly was nectaring on Black-eyed Susan. Any help with ID appreciated.

Thanks,

Loren and Babs Padelford
Bellevue, NE

Images of this individual: tag all
Green eyed fly - Stonemyia isabellina - male Green eyed fly - Stonemyia isabellina - male Green eyed fly - Stonemyia isabellina - male Green eyed fly - Stonemyia isabellina - male

Moved

 
Green Eyed Fly
I just seen one of these things in my house. There not poisonous or anything are they?

Unusual tabanid
I've struggled with this. I don't know what it is but my guess, based mainly on elimination of other species, is a male Stonemyia isabellina, a rare species that I have yet to see a photograph or specimen. I'll ask Dr. John Burger to have a look.

 
Thanks Tony!
We're anxious to hear what Dr. Burger might have to say about the fly. This fly was photographed on a Loess Hills prairie in southwest Iowa.

Loren and Babs Padelford
Bellevue, NE

 
Heard from Dr. Burger:
"Tony:
A male of Stonemyia. Can't tell from the angle of the shot which species. Probably tranquilla or isabellina.
JBurger"

I (TT) compared your image with specimens of male tranquilla in my collection, looks different enough for me to go with isabellina

 
Thanks for your help!
What kind of angle shot would be useful for ID? We have a few more images, a rear view and a top view. I will send them if you think they would be useful.

Thanks,

Loren and Babs Padelford
Bellevue, NE

 
Post as many
photos as you have. Once ID'd you can delete all the 'excess' photos and just leave 1 or a couple of photos that prove useful for ID purposes.

 
I added 2 photos
A top view and a rear view. Maybe these will help with ID.

Thanks,

Loren Padelford
Bellevue, NE

 
definitely isabellina, male
Compare your images with the other 2 eastern species in the genus, both have images in the Guide.

 
Thanks Tony!
We appreciate your help!

Loren and Babs Padelford
Bellevue, NE

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