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 unknown setacera?
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| Mario Renden |
Posted on 16-12-2023 23:21
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Member Location: Posts: 486 Joined: 04.05.15 |
I took these pictures of a possible setacera spec. on 12th November 2023 in Den Helder, Netherlands. Can someone please identify this? Thanks a lot. Greetings, Mario Renden |
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| Mario Renden |
Posted on 16-12-2023 23:21
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Member Location: Posts: 486 Joined: 04.05.15 |
picture 2 |
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| Mario Renden |
Posted on 16-12-2023 23:22
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Member Location: Posts: 486 Joined: 04.05.15 |
picture 3 |
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| Mario Renden |
Posted on 16-12-2023 23:22
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Member Location: Posts: 486 Joined: 04.05.15 |
picture 4 |
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| Mario Renden |
Posted on 16-12-2023 23:22
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Member Location: Posts: 486 Joined: 04.05.15 |
picture 5 |
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| Mario Renden |
Posted on 16-12-2023 23:22
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Member Location: Posts: 486 Joined: 04.05.15 |
picture 6 |
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| Mario Renden |
Posted on 16-12-2023 23:23
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Member Location: Posts: 486 Joined: 04.05.15 |
picture 7 |
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| Mario Renden |
Posted on 30-12-2023 23:15
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Member Location: Posts: 486 Joined: 04.05.15 |
picture 8 |
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| Paul Beuk |
Posted on 10-01-2024 10:31
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 Super Administrator Location: Posts: 19208 Joined: 11.05.04 |
Setacera should have five pairs of dorsocentral setae. On the images I can make out four pairs at the best. Can you check?
Paul - - - - Paul Beuk on https://diptera.info |
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| Mario Renden |
Posted on 20-01-2024 00:40
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Member Location: Posts: 486 Joined: 04.05.15 |
Dear Paul, Unfortunately I can't check that anymore. The pictures on diptera.info are my best pictures. I have thrown this fly away after it has been identified as setacera aurata on waarneming.nl by Niels-Jan Dek. Greetings, Mario Renden |
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| Paul Beuk |
Posted on 25-01-2024 09:24
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Super Administrator Location: Posts: 19208 Joined: 11.05.04 |
Ah, makes my point you should never throw anything away... 
Paul - - - - Paul Beuk on https://diptera.info |
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| nielsyese |
Posted on 30-01-2024 20:30
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 Member Location: Posts: 2318 Joined: 13.02.09 |
Let me explain why I think this should be Setacera aurata: the mouth margin has long hairs, there are at least more than 3 postsutural dorsocentrals. On picture 5, 1+3 dc are visible (I think the 2nd postsutural dc is broken because there is a gap). The fly has a green metallic shine. That would leave the genera Ephydra, Setacera or maybe Paracoenia. The last one is a more dark brown species with darkened crossveins, different dusting pattern and other genitalia. The difference between Ephydra and Setacera is more difficult to judge, but at least on picture 3 and 7 you can see the typical long hair on the 3rd antennal segment for Setacera. On picture 2 and 5, no prescutellar acrostichals are present. By the shape of the terminalia in picture 8 I came to the conclusion it should be a female of Setacera aurata.
Best wishes, Niels-Jan Dek |
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| Paul Beuk |
Posted on 02-02-2024 09:00
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Super Administrator Location: Posts: 19208 Joined: 11.05.04 |
Paul - - - - Paul Beuk on https://diptera.info |
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but don't see the image in the post.