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Photo#599343
Thaumatomyia glabra

Thaumatomyia glabra
Chibougamau, Nord-du-Québec County, Quebec, Canada
August 16, 2011
Size: A tad more than 2 mm
Thaumatomyia glabra (Meigen, 1830). A cosmopolitan species. ID'd by myself, using the revised synopsis of the genus Thaumatomyia by Sabrosky, 1943. Key features leading to the ID: cheeks size about one third of the height of the eyes, brown-orangeish frontal triangle, black fore-metatarsi, apparently glabrous mesonotum and scutellum.

Images of this individual: tag all
Thaumatomyia glabra Thaumatomyia glabra Thaumatomyia glabra Thaumatomyia glabra Thaumatomyia glabra

Moved
Moved from Thaumatomyia.

Key
Do you have Sabrosky's paper in electronic form? If so, can you send me a copy?

 
Sabrosky
Most certainly John - check your inbox.

 
Thaumatomyia
Could I have a copy of Sabrosky too please?
Jim

 
Sorry Jim, I missed your post
Sorry Jim, I missed your post back then. You certainly can -- please send me an email at the address in my profile, I'll send you a copy in the coming days.

 
Page made
Thanks. I made the species page. T. bistriata seems to be considered a species now rather than a variety. I'll assume Sabrosky's leg color distinction is still valid.

 
T. glabra vs. T. bistriata
Thanks. Regarding T. glabra vs. T. bistriata, assuming that T. bistriata is indeed the variety that has been promoted to species level and not another, different species that happens to have a similar name, then other things should be looked at. Beyond the leg colours, it is also mentioned that the triangle is much narrower in T. bistriata than in T. glabra. If you look at other pictures found on the web and identified as T. glabra (I know, not always reliable), you'll see the combo narrow triangle + lots of yellow on the fore tarsi that is more characteristic of T. bistriata. An exemple can be found here: http://americaninsects.net/f/thaumatomyia-glabra.html. Given the width of this specimen's, I'm confident it's indeed T. glabra.

Is there a way to move pictures or do you need your account to have a special status?

 
Tag and move
Hit the "tag all" link to select all your images of this fly. Go the to the T. glabra page, select the "Images" tab, and click the link to move tagged images.

The ID for the link you gave is based on an uncertain identification here: http://www.diptera.info/forum/viewthread.php?forum_id=5&thread_id=2473. It's probably correct but it's not certain.

 
Great - thanks for the tip.
Great - thanks for the tip.

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