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Diptera.info :: Identification queries :: Diptera (adults)
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7 flies on a frog
guldsmed
#1 Print Post
Posted on 19-10-2024 16:46
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28th of June 2024 I took a picture of a Pelophylax perezi (Iberian Water Frog) sitting i Río Majaceite near El Bosque in Andalucia, Spain. After taking the picture I noticed several dipterans sitting on the frog. Can they be identified? And what are they doing there? Feeding on skin exudates?

P.S. Yes there are only 5 flies in picture here, but the uncut version has 7 ;-)
guldsmed attached the following image:


[165.17Kb]
Edited by guldsmed on 19-10-2024 17:55
 
https://www.flickr.com/photos/jan_f_rasmussen/sets
eklans
#2 Print Post
Posted on 19-10-2024 17:53
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Location: Franconia, Germany
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I think they could be females Atrichops crassipes.
For Northwest Europe: Zeegers, Schulten (2022): Families of Flies with Three Pulvilli
Greetings, Eric Kloeckner
 
guldsmed
#3 Print Post
Posted on 19-10-2024 18:01
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Hi Eric

Thx for the interesting suggestion! I see that "Females of the genus are all known to feed on frogs (Nagatomi 1964)" - do you know in what manner (I do not have access to that paper)? Blood or skin exudates?
 
https://www.flickr.com/photos/jan_f_rasmussen/sets
John Carr
#4 Print Post
Posted on 19-10-2024 18:39
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Adult Atrichops feed on the blood of frogs.
 
http://www.flickr.com/photos/31715949@N00
guldsmed
#5 Print Post
Posted on 20-10-2024 05:30
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Thx a lot John!
 
https://www.flickr.com/photos/jan_f_rasmussen/sets
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