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 Penthetria funebris (Pleciidae/Bibionidae)
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| ebbek |
Posted on 07-12-2019 15:55
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Member Location: Posts: 1410 Joined: 23.06.08 |
A small larvae (3-4 mm) from a forest, besides a stream, in South Sweden, at the moss Rhytidiadelphus subpinnatus. Maybe Dioma glabrata or some other Cylindrotomidae?
Edited by ebbek on 07-12-2019 20:06 |
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| ebbek |
Posted on 07-12-2019 15:56
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Member Location: Posts: 1410 Joined: 23.06.08 |
Other view
Edited by ebbek on 07-12-2019 15:58 |
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| ebbek |
Posted on 07-12-2019 16:14
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Member Location: Posts: 1410 Joined: 23.06.08 |
Looks very much as the moss it was found on - an impressing camouflage! It was a friend who found the larvae when he looked att the moss in the microscope to determine it. |
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| atylotus |
Posted on 07-12-2019 19:12
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 Member Location: Posts: 1112 Joined: 29.05.09 |
No cylindrotomatidae, I think this is Pleciidae and I think there is only 1 species, Pentethria funebris, but not sure though
Edited by atylotus on 07-12-2019 19:14 |
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| ebbek |
Posted on 07-12-2019 19:54
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Member Location: Posts: 1410 Joined: 23.06.08 |
Many thanks! This Picture of the larvae of that species was in Stuke (2004): "Bibionidae and Pleciidae (Diptera: Nematocera) from Lower Saxony and Bremen (Germany)" and it fits very well to this larvae! In Sweden this species is placed under Bibionidae. Best regards Krister Edited by ebbek on 07-12-2019 20:07 |
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| atylotus |
Posted on 07-12-2019 20:11
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Member Location: Posts: 1112 Joined: 29.05.09 |
Yes, that him. Rare species. |
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| ebbek |
Posted on 07-12-2019 21:42
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Member Location: Posts: 1410 Joined: 23.06.08 |
Interesting - only a few reports from Sweden as far as I can find! |
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| John Carr |
Posted on 08-12-2019 17:45
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 Member Location: Posts: 9773 Joined: 22.10.10 |
How are larvae of Bibionidae s. str. and Pleciidae distinguished? |
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| ebbek |
Posted on 08-12-2019 20:29
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Member Location: Posts: 1410 Joined: 23.06.08 |
There are no Bibionidae in Scandinavia with larvae like this one, they all look something like the Bibio sp. larvae in this photo (from a garden in South Sweden).
Edited by ebbek on 08-12-2019 21:32 |
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| atylotus |
Posted on 09-12-2019 10:17
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Member Location: Posts: 1112 Joined: 29.05.09 |
besides the much longer abdominal lobes in Penthetria, the number of respiratory openings in the posterior spiracle is different. Based on described species, Penthetria has 1, Bibio 2 and Dilophus has 3 openings. |
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but don't see the image in the post.
