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BugGuide Gathering
Pack Forest
Washington State
July 10-12, 2009
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Photos from the 2009 gathering

Photos from the 2008 gathering in Tennessee

Photos from the 2007 gathering in Minnesota

Midge move requests

I have identified these to subfamily based on keys(1)(2). The ID to genus is based on Roback's book(3) and comparison to Tom Murray's expert-IDed specimen(4).

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These are genus Ablabesmyia (one of the few visually distinctive genera of midges):

84982 149871 149872

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These are subfamily Tanypodinae:

223092 193821

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These are subfamily Orthocladiinae

168872 168874 163850 164958 125154 114878 106091 100992 89592 17529

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These are subfamily Chironominae:

240288 225807 225628 220647 217050 187523 186450 185926 184697 180229 175882 175880 165455 156955 152323 154823 141170 135630 125746 122067 86445 85342 76216 66289 60342 59939 58066 57826 55579 47430 44708 44432 36181 27426 22348 19055 10059

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Contributed by John F. Carr on 22 November, 2008 - 9:50am

Done!

All images moved.

Thanks for pointing out all of these images John!

… Ron M., 22 November, 2008 - 11:32am

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More stats

We have three species of midge identified: Ablabesmyia annulata (distinctive appearance), Polypedilum braseniae (larval behavior), Cricotopus bicinctus (distinctive appearance).

Many of the Tanyodinae can not go to species because they are females in genera for which females are indistinguishable and/or undescribed. I suspect we'll hit a similar roadblock at Chironomus where it is often impossible to separate even males by external appearance.

There are three well-represented subfamilies. Four more are found in North America. I think I have two pictures IDed as Diamesinae. If anybody wants to go wading on slime covered rocks on the sea shore, we might get some of the marine Telmatogetoninae. Podonomiinae and Prodiamesinae are the other two.

What would be helpful to aid further ID would be representative pictures of the four missing subfamilies I mentioned in the previous paragraph plus a good closeup of Pseudochironomus. I think most of our Chironominae pictures could go to Chironomini, but if we recognize the relatively new tribe Pseudochironomini that has to be ruled out and a picture would help.

… John F. Carr, 22 November, 2008 - 7:00pm

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Thanks

Thanks for the moves. That leaves 40% of midges in Chironominae, 20% in other subfamilies, and 40% on the family page.

… John F. Carr, 22 November, 2008 - 11:44am

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