Diptera.info :: Family forums :: Syrphidae
 Parasited Myathropa?
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| Manu70 |
Posted on 14-01-2026 11:54
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Member Location: Posts: 20 Joined: 02.07.25 |
Hello, this (supposed) male Myathropa seems to be parasitized by something resembling a Strepsiptera! Is that possible? 15 october 2025,Granges le bourg, Haute-Saône, Franche-Comté, France Manu70 attached the following image:  [275.17Kb] Edited by Manu70 on 14-01-2026 11:54 |
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| Manu70 |
Posted on 14-01-2026 12:15
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Member Location: Posts: 20 Joined: 02.07.25 |
15 october 2025
Manu70 attached the following image:  [292.56Kb] |
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| Manu70 |
Posted on 14-01-2026 12:52
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Member Location: Posts: 20 Joined: 02.07.25 |
It was very agitated and I observed him again over the next two days.
Manu70 attached the following image:  [238.04Kb] |
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| nielsyese |
Posted on 15-01-2026 07:45
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 Member Location: Yerseke, NL Posts: 2371 Joined: 13.02.09 |
I do not see what you mean, if you mean the black ball at the tip of the abdomen, it is the male epandrium (part of the genitalia). Best wishes, Niels-Jan Dek |
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| Manu70 |
Posted on 15-01-2026 10:54
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Member Location: Posts: 20 Joined: 02.07.25 |
!Okay, it's this asymmetrical and distorted aspect that I was wondering about. Thank you for taking the time to answer such silly questions. |
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| Tony Irwin |
Posted on 15-01-2026 17:38
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 Member Location: Norwich, England Posts: 7338 Joined: 19.11.04 |
The abdominal segments are distorted. (I have seen similar in Helophilus.) As far as I know this is likely to be a developmental problem, rather than a fungus or parasite.
Tony ---------- Tony Irwin |
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