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 Chironomidae swarming on water surface
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| mwkozlowski |
Posted on 15-04-2018 19:38
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 Member Location: Posts: 751 Joined: 17.10.06 |
from my post from some years ago, https://diptera.info/forum/viewthread.php?thread_id=46548 I have learned that this rute is chararcteristic for Tanytarsini Here is suppsingly another species from the same site, swarming in numbers some 10 days ago, but "propelling" by wings rather then gliding on the surface. Possible sp. identification? (of course not Asilidae bu I can not change the place by edit) Edited by mwkozlowski on 15-04-2018 19:41 very general entomologist |
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| mwkozlowski |
Posted on 15-04-2018 19:42
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Member Location: Posts: 751 Joined: 17.10.06 |
second
very general entomologist |
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| Tony Irwin |
Posted on 15-04-2018 21:37
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 Member Location: Posts: 7168 Joined: 19.11.04 |
Were these found near salt water? They look like Telmatogetoninae to me.
Tony ---------- Tony Irwin |
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| mwkozlowski |
Posted on 17-04-2018 17:49
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Member Location: Posts: 751 Joined: 17.10.06 |
not at all, it was a small lake inside forest, Mazury Poland
very general entomologist |
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| John Carr |
Posted on 20-04-2018 01:54
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 Member Location: Posts: 9773 Joined: 22.10.10 |
There are a few Orthocladiinae adapted to ground (or water surface) mating. These show the typical non-swarming adaptations, with reduced antennae, short legs, and enlarged hypopygium (see shadow at left of first photo). The low front leg ratio rules out Tanytarsini and the wings are consistent with Orthocladiinae. |
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but don't see the image in the post.
