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Diptera.info :: Identification queries :: Diptera (adults)
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What?s this fly doing?
amaira
#1 Print Post
Posted on 16-08-2007 09:26
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Location: Stockholm Sweden
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Joined: 13.08.06

Yes, what is this little fly (tachinidae?) doing, on this bee trapped by a spider?

www.odla.nu/album/data/amira/full_1405_p66768.jpg
 
Paul Beuk
#2 Print Post
Posted on 16-08-2007 09:30
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Looking for some food. It is a specimen of Desmopetopa (Milichiidae) and they have an uncanny sense of smell to locate dead honeybees on which they can be found feeding. As a rule these bees are captured by predatory insects (Asilidae, Reduviidae, etc.) or spiders (either in webs or, like this one, by crab spiders).
Paul

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Jan Willem
#3 Print Post
Posted on 16-08-2007 09:35
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Location: Waalwijk, The Netherlands
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Have a look at: http://www.sel.ba...-home.html

Jan Willem
 
amaira
#4 Print Post
Posted on 18-08-2007 19:12
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Fantastic!!! Very fascinating. Thanks a lot for the information!
 
amaira
#5 Print Post
Posted on 18-09-2014 10:13
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Hallo everyone! A new question on same topic.

These are the Milichiidae in Sweden:

Sprickflugor Milichiidae
Leptometopa latipes (Meigen, 1830)
Madiza glabra Fallén, 1820
Milichia ludens (Wahlberg, 1847)
Neophyllomyza acyglossa (Villeneuve, 1920)
Phyllomyza securicornis Fallén, 1823

Desmopetopa I can´t find. Of what specimen is my fly?
 
amaira
#6 Print Post
Posted on 18-09-2014 10:13
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I try again with the photo.
amaira attached the following image:


[70.84Kb]
Edited by amaira on 18-09-2014 10:25
 
skrylten
#7 Print Post
Posted on 18-09-2014 11:26
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Have a look at "Dyntaxa" http://www.slu.se...xa/search/

The following Desmopetopa have been found in Sweden:

Desmopetopa varipalpis
Desmopetopa m-nigrum
Desmopetopa discipalpis

/Leif K
 
amaira
#8 Print Post
Posted on 18-09-2014 13:27
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Thanks Leif! But I got no match with Desmopetopa. But I found Desmometopa...??


Närmast underliggande taxa

Art: Desmometopa varipalpis
Art: Desmometopa m-nigrum
Art: Desmometopa palpalia
Art: Desmometopa discipalpis


 
Paul Beuk
#9 Print Post
Posted on 18-09-2014 13:34
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The image does not really allow ID of the specimen. Being on the spider prey and the black colour make it practically 100% certain that it is Milichiidae, but genus is impossible. Other genera than just Desmometopa can be found on spider preys: http://www.dipter...oad_id=183.
Paul

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amaira
#10 Print Post
Posted on 20-09-2014 08:39
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Thankyou! I got my answer. it is Desmo-M-etopa, not Desmo-P-etopa :)
 
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