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Diptera.info :: Identification queries :: Diptera (adults)
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Flies attacking bees?
Thomas Brand
#1 Print Post
Posted on 20-04-2019 16:26
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Hello,

while photgraphing bees on flowers of Prunus laurocerasus, flies of this species attacked several times bees - at least it look like that.
I would like to know, which species it is.

Germany, near Cologne, 2019-04-20.

Thank you!
Thomas
 
Thomas Brand
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Posted on 20-04-2019 16:27
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Edited by Thomas Brand on 20-04-2019 16:34
 
Thomas Brand
#3 Print Post
Posted on 20-04-2019 16:35
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John Carr
#4 Print Post
Posted on 20-04-2019 21:21
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Conopidae, Myopa or near. "The known larvae of all Conopinae, Myopinae, and Dalmanniinae are internal parasites of aculeate Hymenoptera, which the ovipositing females attack in flight." (Smith and Peterson in Manual of Nearctic Diptera)
 
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Thomas Brand
#5 Print Post
Posted on 20-04-2019 21:49
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Thank you, John!
Myopa sp. looks good - I have never heard about these parasites of bees.#

Thanks again
Thomas
 
Zeegers
#6 Print Post
Posted on 21-04-2019 18:20
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Location: Soest, NL
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In Myopa, many species are pretty similar. This one seems to have the scutum totally black, also just in frint of scutellum, which would suggest polystigma

Theo
 
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