Diptera.info :: Identification queries :: Diptera (adults)
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 Trypeta or Rhagoletis
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| Carlo Monari |
Posted on 14-02-2017 09:05
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Member Location: Milan, Italy Posts: 246 Joined: 28.04.11 |
With reference to this post in FNM (Forum Natura Mediterraneo): http://www.natura..._ID=281235 which is correct? Edited by Carlo Monari on 14-02-2017 09:07 Best regards, Carlo |
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| Nosferatumyia |
Posted on 14-02-2017 09:55
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 Member Location: Posts: 3405 Joined: 28.12.07 |
No doubts, Trypeta immaculata and certainly not Rhagoletis alternata, even from details of wing pattern.
Val |
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| Carlo Monari |
Posted on 14-02-2017 13:28
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Member Location: Milan, Italy Posts: 246 Joined: 28.04.11 |
Thank you Valery. I agree about not Rhagoletis alternata; my doubt was about Rhagoletis meigenii, whose wing patter should match better. Can you tell me where to find a good key for the two genera?
Best regards, Carlo |
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| Nosferatumyia |
Posted on 17-02-2017 22:16
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Member Location: Posts: 3405 Joined: 28.12.07 |
In fact, the best is the key by Merz (1994) -- Swiss Keys, which covers N Italy as well. The easiest characters to tell immaculata vs meigenii is the rounded / sharp antennal flagellomere 1 and stigmatal crossband very wide at posterior wing margin and fused with the next one to form a "hook" / not so, not reaching posterior margin and separated from the preapical band. Let me know if you need a pdf of Merz (1994). Edited by Nosferatumyia on 17-02-2017 22:37 Val |
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but don't see the image in the post.
