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Diptera.info :: Identification queries :: Diptera (adults)
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Calliphoridae: Pollenia griseotomentosa ? (female) => Pollenia rudis (female)
skrylten
#1 Print Post
Posted on 15-08-2025 12:59
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 2025-08-14 Sweden, Skåne, Degeberga

A small Pollenia (6 mm) should be P griseotomentosa.
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Edited by skrylten on 18-08-2025 19:48
 
skrylten
#2 Print Post
Posted on 15-08-2025 13:00
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 dorsal
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skrylten
#3 Print Post
Posted on 15-08-2025 13:00
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 head
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skrylten
#4 Print Post
Posted on 15-08-2025 13:00
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 face
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eklans
#5 Print Post
Posted on 15-08-2025 18:11
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 The facial carina seems to be present as does the outer posthumeral bristle (if my eyes don't deceive me). To continue we'd need images of the legs (tibiae and hind femora).
Greetings, Eric Kloeckner
 
skrylten
#6 Print Post
Posted on 16-08-2025 14:59
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 Thanks for the input Eric !

Lets see if these images can help.
Which one should be the outer posthumeral bristle ?
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skrylten
#7 Print Post
Posted on 16-08-2025 15:00
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 Scutellum

2 or 3 marginal bristles ?
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skrylten
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Posted on 16-08-2025 15:00
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 right front tibia
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skrylten
#9 Print Post
Posted on 16-08-2025 15:01
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 left mid tibia
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skrylten
#10 Print Post
Posted on 16-08-2025 15:01
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 left hind tibia
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skrylten
#11 Print Post
Posted on 16-08-2025 15:02
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 left hind femur
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eklans
#12 Print Post
Posted on 17-08-2025 14:03
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 Thanks for the excellent images! Perhaps they are too good for me: the more I look at the humeral bristles on the 3 photos the less I'm sure.
I'll try another approach:
Do you agree, that the mid tibia shows 2 ad bristles? (left_mid_tibia.jpg)
Palps are black? (pg_face.jpg) - excludes P. viatica
Femur 3 shows no yellow hairs? (left_hind_femur.jpg) - excludes P. angustigena
If so, it's probably P. rudis.

I used the key in Olga Sivell (2021): Blow flies

Greetings, Eric Kloeckner
 
skrylten
#13 Print Post
Posted on 18-08-2025 19:46
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 I agree completely.

I got stuck on the 2 marginal bristles on scutellum which would lead to griseotomentosa but I suppose the smaller one (red arrow) also should count.
In that case everything fits with a female rudis.

Thanks for helping me out Smile

/Leif K
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