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Diptera.info :: Identification queries :: Diptera (adults)
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Dolichopus simplex menu
Nikita Vikhrev
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Posted on 21-08-2005 14:44
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Thanks to Mr. Kahis I know that it is Dolichopus simplex (I hope so).
On the picture Dolichopus simplex eats tiny Collembola (Sminthuridae) on the pond's beach
www.diptera.info/forim/5-0620-1.jpg
Nikita Vikhrev - Zool Museum of Moscow University
 
Louis Boumans
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Posted on 21-08-2005 20:19
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great picture and interesting observation! louis
 
Nikita Vikhrev
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Posted on 21-08-2005 21:54
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Thank you Louis. But I still do not understand how they (Dolichopodidae) eat something more than collembola larvae.
Nikita Vikhrev - Zool Museum of Moscow University
 
Paul Beuk
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Posted on 22-08-2005 08:19
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Well, they have no piercing mouthparts but the mouthparts seem to transformed into a big sucker, like one on an octopus' legs. I think they put a tremendous sucking force behind it after they pick up their prey, breaking its exoskeleton and emptying their liquid body contents. I have not checked literature, it is just something I surmised from seeing Medetera trying to crack the first instar of a true bug.
Paul

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Nikita Vikhrev
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Posted on 22-08-2005 17:08
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Thank you Paul.
Nikita Vikhrev - Zool Museum of Moscow University
 
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