Diptera.info :: Identification queries :: Diptera (eggs, larvae, pupae)
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 unknown predator on Rhagium spec.->Forcipomyia
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| Joerg Brucklacher |
Posted on 07-04-2021 15:48
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Member Location: Southern Germany BW Posts: 60 Joined: 05.04.21 |
Last year (09.09.2020) I found under bark of a dead silver fir in an empty place of a Rhagium larva a group of small larvae. Seemed they had killed the Rhagium. A few meters beside that on the same log I found a group of pupae, obviously of the same species. Notably all oriented together around a middle. I tried to breed them, but all of them were parasitized (Chalcidoidea ?). I think, it's a fascinating story for me, and I'd like to understand what happened. Can anybody identify this ? I think they should be diptera ... I will attach a few pictures. Thank you, Jörg Brucklacher Joerg Brucklacher attached the following image:  [299.44Kb] Edited by Joerg Brucklacher on 08-04-2021 13:12 |
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| Joerg Brucklacher |
Posted on 07-04-2021 15:51
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Member Location: Southern Germany BW Posts: 60 Joined: 05.04.21 |
pupae
Joerg Brucklacher attached the following image:  [62.54Kb] Edited by Joerg Brucklacher on 07-04-2021 15:54 |
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| Joerg Brucklacher |
Posted on 07-04-2021 15:54
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Member Location: Southern Germany BW Posts: 60 Joined: 05.04.21 |
closeup1
Joerg Brucklacher attached the following image:  [219.65Kb] |
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| Joerg Brucklacher |
Posted on 07-04-2021 15:55
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Member Location: Southern Germany BW Posts: 60 Joined: 05.04.21 |
closeup2
Joerg Brucklacher attached the following image:  [123.91Kb] |
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| Joerg Brucklacher |
Posted on 07-04-2021 15:56
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Member Location: Southern Germany BW Posts: 60 Joined: 05.04.21 |
closeup3
Joerg Brucklacher attached the following image:  [169.85Kb] |
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| Joerg Brucklacher |
Posted on 07-04-2021 15:57
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Member Location: Southern Germany BW Posts: 60 Joined: 05.04.21 |
parasitoid
Joerg Brucklacher attached the following image:  [183.58Kb] |
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| eklans |
Posted on 07-04-2021 15:58
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Member Location: Franconia, Germany Posts: 3628 Joined: 11.11.18 |
Hi Jörg, I think these are larvae and pupae of Forcipomyia (Ceratopogonidae). Greetings, Eric |
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| Joerg Brucklacher |
Posted on 07-04-2021 16:46
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Member Location: Southern Germany BW Posts: 60 Joined: 05.04.21 |
fits perfect - found this page : https://www.chaosofdelight.org/forcipomyia with a lot of information and photos. Thank you für this hint ! Jörg |
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| atylotus |
Posted on 07-04-2021 17:05
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 Member Location: Amsterdam, NL Posts: 1126 Joined: 29.05.09 |
Forcipomyia for sure |
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| Joerg Brucklacher |
Posted on 08-04-2021 12:00
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Member Location: Southern Germany BW Posts: 60 Joined: 05.04.21 |
were they killing the Rhagium or just cleaning up the mess ? |
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