Diptera.info :: Identification queries :: Diptera (adults)
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 Thereva
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| Juergen Peters |
Posted on 13-08-2006 23:08
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 Member Location: northwest Germany Posts: 13911 Joined: 11.09.04 |
Hello! I found this beautiful Thereva today near the forest here in Ostwestfalen/Germany. Can the species be determined from the photos? Thanks in advance!   
Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Tony Irwin |
Posted on 13-08-2006 23:51
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 Member Location: Norwich, England Posts: 7234 Joined: 19.11.04 |
Hi Juergen I wonder whether this might be a female Thereva handlirschi. (Not a species I'm familiar with, but the description seems to fit.) This is only a suggestion - it would be best to wait until someone familiar with the central European species can confirm this before adding it, even as a temporary name. Tony ---------- Tony Irwin |
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| Zeegers |
Posted on 14-08-2006 16:21
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Member Location: Soest, NL Posts: 18787 Joined: 21.07.04 |
Hi Juergen and Tony, The species looks very yellow indeed, which makes Tony's guess a good one. However, I can see only 1 pair of dorsocentral bristles on the thorax. If that is correct, the picture cannot represent handlirschi, since this species has 2 pairs of DC before scutellum. Maybe Juergen can check on an original at higher resolution ? Theo Zeegers |
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| Juergen Peters |
Posted on 14-08-2006 21:31
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Member Location: northwest Germany Posts: 13911 Joined: 11.09.04 |
Hello, Tony and Theo! Thanks for your replies! Zeegers wrote: since this species has 2 pairs of DC before scutellum. Maybe Juergen can check on an original at higher resolution ? Below two uncompressed extracts from the photos. But I am not sure, whether they show that detail better...  
Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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| Zeegers |
Posted on 15-08-2006 11:16
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Member Location: Soest, NL Posts: 18787 Joined: 21.07.04 |
I can still see only one pair of DC. But it is difficult to see, so I don't have a final opinion in this matter. Sometimes we just cannot ID from fotos ! Theo |
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| Juergen Peters |
Posted on 15-08-2006 20:02
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Member Location: northwest Germany Posts: 13911 Joined: 11.09.04 |
Hello, Theo! Zeegers wrote: I can still see only one pair of DC. But it is difficult to see, so I don't have a final opinion in this matter. Sometimes we just cannot ID from fotos ! Thanks nevertheless! Best regards, Jürgen -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Juergen Peters Borgholzhausen, Germany WWW: http://insektenfo... -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= |
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