Diptera.info :: Identification queries :: Diptera (adults)
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 Sargus?
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| Markus Koschinsky |
Posted on 13-10-2021 08:46
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Member Location: Posts: 77 Joined: 11.05.17 |
Location: Germany, Northrhine-Westphalia, Rheine, 35 m above sea level, garden (sandy & dry) Time: 1st Oct 2021 Photos: Markus Koschinsky Body size: approx. 15 mm Dear Forum, I found this quite long fly on a plant directly next to a compost. It had little greenish glance, but mostly purple and yellowish glance at the thorax. Although a femal, it did not have red segments at the abdomen, which speaks against Sargus bipunctatus, but the pale legs seem to speak for S. bipunctatus. The fly was sitting very calm and with nearly no movemen (although after a while it vanished), so I'm thinking if it might just be hatched (and therefore maybe not all colours fully developed). . On the other hand, I'm not really an expert here and might be completely wrong... any help is appreciated! I'd have a few more close-ups of e. g. the wing venation, abdomen back etc.... if you think it helps, I could add them... Thanks, Markus Markus Koschinsky attached the following image:  [43.91Kb] |
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| Markus Koschinsky |
Posted on 13-10-2021 08:47
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Member Location: Posts: 77 Joined: 11.05.17 |
Image 2 (lateral)
Markus Koschinsky attached the following image:  [45.74Kb] |
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| Markus Koschinsky |
Posted on 13-10-2021 08:48
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Member Location: Posts: 77 Joined: 11.05.17 |
Image 3 (head close-up)
Markus Koschinsky attached the following image:  [39.79Kb] |
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| Markus Koschinsky |
Posted on 13-10-2021 08:48
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Member Location: Posts: 77 Joined: 11.05.17 |
Image 4 (thorax glance)
Markus Koschinsky attached the following image:  [34.74Kb] |
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| eklans |
Posted on 13-10-2021 13:23
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Member Location: Franconia, Germany Posts: 1617 Joined: 11.11.18 |
Hi Markus, that's an interesting one: I think it's clearly a Sargus and it's likely a female bipunctatus based on legs, the white line on the sides of the thorax... But it should have a red base of the abdomen and the back is shining like cuprarius! Do you have a lateral photo of the abdomen?
Greetings, Eric |
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| Zeegers |
Posted on 13-10-2021 15:14
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Member Location: Soest, NL Posts: 16468 Joined: 21.07.04 |
Check the field guide ! Clearly a bipunctatus. Some red semes to glow though the wing and even it doesn’t all other features support bipunctatus. Theo |
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| Markus Koschinsky |
Posted on 13-10-2021 19:38
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Member Location: Posts: 77 Joined: 11.05.17 |
Thanks for your help, Eric and Theo! Don't have really good lateral abdomen pictures. One in higher resolution (but only the rear part), and two including front part, but unsharp... see below... Anyhow, I take it as S. bipunctatus, even though it's maybe an untypical one... (again: could it be freshly hatched?) Regards, Markus Markus Koschinsky attached the following image:  [47.42Kb] |
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| Zeegers |
Posted on 14-10-2021 08:22
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Member Location: Soest, NL Posts: 16468 Joined: 21.07.04 |
Look more anteriorly. The second pic shows “clearly” red above the third leg.. |
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