Diptera.info :: Identification queries :: Diptera (adults)
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 midge?
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| Robert Heemskerk |
Posted on 19-02-2006 01:00
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 Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
hi insektforum, Today I saw some dancing midges(?) near a lake by Amsterdam. I think they awake by some good sunlight today! I catched one, put it in a bottle and made a drawing of it. The wings are complicated to draw, you don't see details. it got long legs, high round thorax and long (little green/red shiny) wings with some little dark dots inside it. The antennes are thin and on the it's back I see two antennes(??) I've never seen before! the tail got a pair of pincers/nippers like male dragonfly's can have. I hope you got an impression of it, maiby you can help me finding the family of it? greetings Robert Heemskerk  |
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| Juergen Peters |
Posted on 19-02-2006 01:16
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 Member Location: northwest Germany Posts: 13910 Joined: 11.09.04 |
Hello, Robert! Robert Heemskerk wrote: wings with some little dark dots inside it. The antennes are thin and on the it's back I see two antennes(??) I've never seen before! I think what you see there as a second pair of "antennae" are the halteres (I hope, that is the correct english term, german Halteren), the second reduced wing pair of the midge. Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Robert Heemskerk |
Posted on 19-02-2006 01:35
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
this 'things' I see are also on this drwawing of a Trichocera, so I think you are right J?rgen. Must me the 'halteren' (Trichocera-specie??) regards Robert, 
Edited by Robert Heemskerk on 19-02-2006 02:22 |
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| Paul Beuk |
Posted on 19-02-2006 11:55
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 Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
Trichoceridae sounds right, especially at this time of year, as they are called winter midges or winter craneflies. Most of the larger swarming midges in this time of year (on northern temperata hemisphere, that is) probably are Trichoceridae.
Paul - - - - Paul Beuk on https://diptera.info |
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| Robert Heemskerk |
Posted on 19-02-2006 13:46
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Member Location: Amsterdam, Netherlands Posts: 2082 Joined: 17.10.05 |
nice to know!  When I look at the drawing now, the haltern point to much in the air. The direction of these haltern are more in the line of the wings Regards Robert, |
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| Paul Beuk |
Posted on 19-02-2006 14:37
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Super Administrator Location: Netherlands Posts: 19363 Joined: 11.05.04 |
Still, when flies and midges are killed, the way the halteres are positioned (the direction they point) can be very dependent on how the muscles contract. Sometimes they are pointing straight upwards.
Paul - - - - Paul Beuk on https://diptera.info |
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