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Diptera.info :: Identification queries :: Diptera (adults)
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Chironomidae > Psectrotanypus pictipennis (probably)
Raimo
#1 Print Post
Posted on 19-11-2017 21:08
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Location: Karlstad, Sweden
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Perhaps Psectrotanypus varius?
Mid Sweden July 24 2017.
Raimo attached the following image:


[225.16Kb]
Edited by Raimo on 21-11-2017 21:53
 
Tony Irwin
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Posted on 19-11-2017 21:51
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Location: Norwich, England
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This doesn't quite fit varius - more like the Nearctic dyari. Could this be pictipennis? (I have no reference for this species, which does occur in Sweden.)
Tony
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Tony Irwin
 
John Carr
#3 Print Post
Posted on 19-11-2017 23:41
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The wing of Psectrotanypus pictipennis is mostly brown with pale spots, according to Roback, and the scutellum is dark orange-brown. I have not seen the species.
 
http://www.flickr.com/photos/31715949@N00
Raimo
#4 Print Post
Posted on 20-11-2017 22:09
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Location: Karlstad, Sweden
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Thanks for your input. So of the two Psectrotanypus in Sweden, varius more probable than pictipennis? No other genus, like Apsectrotanypus or simililar possible?
 
Tony Irwin
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Posted on 21-11-2017 10:41
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This appears to me to be more like Psectrotanypus, but not varius - it does vary a bit, but not this much. If this is not pictipennis, then I would say it is likely to be dyari. Ideally you would capture a male, so that the genitalia characters can be checked. The wing pattern should be very similar in both sexes.
Tony
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Tony Irwin
 
Raimo
#6 Print Post
Posted on 21-11-2017 21:53
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Location: Karlstad, Sweden
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Thankyou Tony. Since dyari is not recorded in Sweden (found in Europe?), it aught to be pictipennis.
 
Tony Irwin
#7 Print Post
Posted on 22-11-2017 08:34
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Agreed, but it would be good to check... Wink
Tony
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Tony Irwin
 
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