Diptera.info :: Identification queries :: Diptera (adults)
 Pollenia rudis?
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| fredroh |
Posted on 16-07-2026 14:03
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Member Location: Posts: 53 Joined: 03.08.25 |
Pollenia from Trondheim, Norway. 15.07.2026
fredroh attached the following image:  [298.44Kb] |
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| fredroh |
Posted on 16-07-2026 14:03
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Member Location: Posts: 53 Joined: 03.08.25 |
2
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| fredroh |
Posted on 16-07-2026 14:03
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Member Location: Posts: 53 Joined: 03.08.25 |
3
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| eklans |
Posted on 17-07-2026 15:50
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Member Location: Franconia, Germany Posts: 4745 Joined: 11.11.18 |
Difficult to be sure: basicosta seems to be dark and fore tibia has one posteroventral. Both characters are possible but rarely for rudis. I think I see one anterodorsal on mid tibia - this points to P. angustigena, while rudis has 2-3 ad. from Olga Sivell (2021): Blow flies Greetings, Eric |
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| fredroh |
Posted on 17-07-2026 19:10
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Member Location: Posts: 53 Joined: 03.08.25 |
Thank you Eric!! Upon further inspection, I count 2 ad on the mid tibia, and see a light basicosta (if I am looking at the right structures). Not well visible from the first photos, sorry about that. fredroh attached the following image:  [87.42Kb] |
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| fredroh |
Posted on 17-07-2026 19:10
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Member Location: Posts: 53 Joined: 03.08.25 |
basicosta
fredroh attached the following image:  [160.83Kb] |
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| eklans |
Posted on 18-07-2026 10:06
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Member Location: Franconia, Germany Posts: 4745 Joined: 11.11.18 |
Thanks for the photos! Yes, basicosta is pale, but I think the 2nd ad is part of the pre-apicals. "examination of genitalia is strongly advised. Slide preparation may be required for females" citation from Olga Sivell (2021): Blow flies If you really want to be sure... Greetings, Eric |
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| fredroh |
Posted on 18-07-2026 15:18
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Member Location: Posts: 53 Joined: 03.08.25 |
Thank you Eric! I will see what I can do! |
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