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Diptera.info :: Identification queries :: Diptera (adults)
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Muscidae-Phaonia>Phaonia subventa
nick upton
#1 Print Post
Posted on 21-11-2023 16:29
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Location: Wiltshire, UK
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Joined: 12.03.10

I photographed this Muscid c8mm coming and going from Sulphur tuft fungi in damp woodland in Gloucestershire, UK on 22.10.23. I'm pretty sure its Phaonia subventa whose larvae are predators of fungus feeding larvae. I thunk I can separate it form the very similar P. rufiventris as there are 2 clear spines midway along the mid tibia, rather than 3. The acrostichial bristles are hard to see in my photos, but I think there are 2 rows, not one as in P. rufiventris. I'm no expert, so hope someone can confirm or correct my ID.
nick upton attached the following image:


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Edited by nick upton on 21-11-2023 16:29
Nick Upton - naturalist and photographer
 
nick upton
#2 Print Post
Posted on 21-11-2023 16:30
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Location: Wiltshire, UK
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Detail of bristles on tibia
nick upton attached the following image:


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Nick Upton - naturalist and photographer
 
nick upton
#3 Print Post
Posted on 21-11-2023 16:31
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Different angle of view
nick upton attached the following image:


[295.58Kb]
Nick Upton - naturalist and photographer
 
Nikita Vikhrev
#4 Print Post
Posted on 21-11-2023 17:19
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Location: Moscow, Russia
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I agree with subventa
Nikita Vikhrev - Zool Museum of Moscow University
 
nick upton
#5 Print Post
Posted on 21-11-2023 17:22
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Location: Wiltshire, UK
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Joined: 12.03.10

Many thanks Nikita. I really appreciate your swift response.
Nick Upton - naturalist and photographer
 
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