Diptera.info :: Identification queries :: Diptera (adults)
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 Thereva
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| alon |
Posted on 08-07-2020 20:33
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Member Location: Poland Posts: 375 Joined: 04.05.07 |
Can someone help me with these flies? 20.06.2020, northern Poland, Tczew (CE59) alon attached the following image:  [224.27Kb] Edited by alon on 08-07-2020 20:35 |
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| alon |
Posted on 08-07-2020 20:34
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Member Location: Poland Posts: 375 Joined: 04.05.07 |
male
alon attached the following image:  [255.96Kb] |
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| Sundew |
Posted on 09-07-2020 11:23
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 Member Location: Berlin and Baden-Württemberg, Germany Posts: 3916 Joined: 28.07.07 |
Sorry, more than Thereva spec. is not possible for this couple. The lower picture shows the male, and Thereva males cannot be told apart from a photo. The upper female nicely shows the black spot between the eyes, but we need to see more characters, one picture is not enough. Compare the key https://home.hccn...ml#Thereva to understand which are the decisive characters to identify Thereva females (at least colour pattern of the tergites and haltere colour). Regards, Sundew Edited by Sundew on 09-07-2020 11:29 |
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| alon |
Posted on 10-07-2020 17:30
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Member Location: Poland Posts: 375 Joined: 04.05.07 |
Thanks a lot. Unfortunately, I only have one picture of this pair. I had a similar fly in thread https://www.diptera.info/forum/viewthread.php?thread_id=39894. There are more details. |
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