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Diptera.info :: Identification queries :: Other insects, spiders, etc.
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two parasitoids wasp on Centaurea [added: possible host]
Carnifex
#1 Print Post
Posted on 17-08-2022 22:19
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Location: Vienna, Austria
Posts: 1837
Joined: 23.06.15

First I observed this yellow ichneumonoid to search for or inject into something in the flower head for about 15 minutes.
Then, a Chalcidoid wasp (Eurytoma?) joined.
Can the ichno be further IDed, also interested in the possible host - I know several tephritids develop in Centaurea

Vienna, mid August

inaturalist-open-data.s3.amazonaws.com/photos/222404666/large.jpeg

inaturalist-open-data.s3.amazonaws.com/photos/222404658/large.jpeg
Edited by Carnifex on 22-08-2022 23:16
Cheers, Lorin

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All requests are from the urban area of Vienna, if not otherwise stated.

My Diptera observations (and other living forms) can be found here, and corrections or comments over there would also be appreciated.
 
Jan Maca
#2 Print Post
Posted on 18-08-2022 06:21
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Not sure, but the yellow parasitoid looks like a braconid (close to Bracon?).
 
Carnifex
#3 Print Post
Posted on 22-08-2022 23:15
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Location: Vienna, Austria
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I took the flower head with me and opened it:
looks like the wasp was targeting a tephritid larva

inaturalist-open-data.s3.amazonaws.com/photos/224613265/large.jpeg

inaturalist-open-data.s3.amazonaws.com/photos/224613297/large.jpeg
Edited by Carnifex on 22-08-2022 23:15
Cheers, Lorin

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All requests are from the urban area of Vienna, if not otherwise stated.

My Diptera observations (and other living forms) can be found here, and corrections or comments over there would also be appreciated.
 
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