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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Nematocera" (Non-Brachycera) » Mosquitoes and Midges (Culicomorpha) » Non-biting Midges (Chironomidae) » Tanypodinae
Photo#450851
Midge - female
Copyright © 2010 Erick Adams

Midge - Female
East Greenwich, Kent County, Rhode Island, USA
September 1, 2010
Size: 2.5-3mm

Images of this individual: tag all
Midge - female Midge - female Midge - female Midge - female
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Contributed by Erick Adams on 3 September, 2010 - 7:44pm

Two possibilities
The two most likely species can be distinguished by hairs on the postnotum (plate on top between scutellum and base of abdomen), hairs on head behind eyes (may be in single or double row), and density of hairs on side of thorax. Other characters include ratio of lengths of hind tibia and basitarsus, which is hard to get in photograph because you need them both at the same angle to camera, and details of hairs and spines at tip of tibia, which are nearly impossible to photograph.

Banding pattern on abdomen would also help.
… John F. Carr, 4 September, 2010 - 3:29pm login or register to post comments

 
Hmmm.
Well, I added a closer lateral crop. The entire thorax is out of focus on the dorsal shot, I never saw the abdomen from any view, and as you noted, anything on the legs is out of the question.
… Erick Adams, 4 September, 2010 - 4:17pm login or register to post comments

Moved
Moved from Midges.

A closer view would help. Hairy wings suggest Pentaneurini while apparent extension of C past end of R5 suggests Macropelopiini.
… John F. Carr, 3 September, 2010 - 7:53pm login or register to post comments

 
Added closeup
DOF isn't very good.
… Erick Adams, 3 September, 2010 - 8:06pm login or register to post comments

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