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 unknown Muscidae developing in Hymenoptera nest?
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| Norbert |
Posted on 03-06-2009 06:58
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Member Location: Amstetten / Austria Posts: 66 Joined: 24.06.08 |
Dear all; Enclosed fly is waiting since days in front of my Bombus pratorum nest to enter. Entry is not possible as the nest is protected with a mechanical door. Can someone say anything about ID? Is this a parasite or just a Kommensale.. Size ~5-7mm; found last week in Upper Austria ~300moS Thanks for help; Norbert. Norbert attached the following image:  [66.68Kb] Edited by Norbert on 05-06-2009 07:32 |
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| Norbert |
Posted on 03-06-2009 06:59
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Member Location: Amstetten / Austria Posts: 66 Joined: 24.06.08 |
2nd pic..
Norbert attached the following image:  [74.76Kb] |
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| Norbert |
Posted on 05-06-2009 07:30
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Member Location: Amstetten / Austria Posts: 66 Joined: 24.06.08 |
No one who can support? Checking the gallery I would say a Muscidae; maybe Phaonia; or Thricops? The fact that larvas obviously live in Hymenoptera nest should also help. Thanks for any hint; Norbert. |
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| Nikita Vikhrev |
Posted on 05-06-2009 08:50
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 Member Location: Moscow, Russia Posts: 9459 Joined: 24.05.05 |
It is female of Fannia lustrator, Fanniidae. F.lustrator larvae reported either from rotting plant material and from nests of social Hymenoptera (Vespa crabro & Vespula sp.). Nice observation! Keep observe, F.lustrator regards as commensal, not parasite, but nobody is sure as, I suppose, you are the first person who observes the process itself. Nikita Vikhrev - Zool Museum of Moscow University |
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| Norbert |
Posted on 05-06-2009 09:23
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Member Location: Amstetten / Austria Posts: 66 Joined: 24.06.08 |
many thanks for this info. I have a nest of Bombus hortorum which I am observing under lab conditions. If the fly is still there this afternoon I will put it into the nest and see what it does.. best regards; Norbert. |
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