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Diptera.info :: Identification queries :: Diptera (adults)
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Unkown trio
Philippe moniotte
#1 Print Post
Posted on 17-12-2007 16:49
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Who can help with hose little fellows, observed on the Great Mullein (Verbscum thapsus) on August 30 2007 in my garden in Heron (Belgium) ?
I'd say approx 6 mm.

Thanks
Philippe
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Nikita Vikhrev
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Posted on 17-12-2007 16:57
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Lonchaeidae
Nikita Vikhrev - Zool Museum of Moscow University
 
Andre
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Posted on 18-12-2007 12:35
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With all respect (and I could be wrong Frown ), I would suggest Lauxanidae.
 
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Paul Beuk
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Posted on 18-12-2007 12:49
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Also with respect, I think Nikita is right. Pfft
Paul

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Andre
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Posted on 18-12-2007 13:31
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With respect too... I can't compete with two specialists Angry
 
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Andre
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Posted on 18-12-2007 13:43
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So if those above are Lonchaeidae, these two are also Lonchaeidae.
Pictures made in Hessen, Germany, august 2005.

What could be the relationship with the Aphids? Coincidence?
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Edited by Andre on 18-12-2007 13:45
 
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Andre
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Posted on 18-12-2007 13:45
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Picture 2 of same specimen.
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Nikita Vikhrev
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Posted on 18-12-2007 15:59
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Hi Andre.
I often observer Lonchaeidae as excrements visitor (last time right here in Thailand). Why Aphid's nectar is worse than dung?
Nikita
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Iain MacGowan
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Posted on 20-12-2007 17:29
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The first photo shows three Lonchaeidae ladies (Not fellows) who seem to be feeding on pollen grains from the Mullein - looks like they belong to the genus Lonchaea but can't identify any further than that from the photos. Not much is known about the feeding habits of adult Lonchaeidae, some do feed on pollen and honeydew, a few species are taken on flowers but the have also been taken in meat traps and apparently may steal meals from spiders webs!. presumably the relationship with aphids may just be related to the honeydew produced by them. Any further observations on excrement feeding would be useful. This is where the Diptera site is of so much value to us desk bound taxonomists !! ............ Iain
Iain MacGowan
 
Philippe moniotte
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Posted on 20-12-2007 18:54
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Thanks Iain,
If you look closely, they seem to be feeding on areas of the buds which have been eroded (probably by another agent as they don't seem to be equipped to deal with the hairy epiderm) and where the plant tissues are raw and exsuding. V. thapsus is host to an amazing number of consumers of all kinds.
Philippe
PS I knew they were ladies, btw, just a language slipWink
 
Ben Hamers
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Posted on 21-12-2007 21:41
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Iain wrote : Any further observations on excrement feeding would be useful.


Here is one feeding on droppings of a bird.

Ben
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Edited by Ben Hamers on 21-05-2012 20:14
 
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