Diptera.info :: Family forums :: Syrphidae
 Rhingia ID? --> Rhingia rostrata
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| Matzke-Hajek |
Posted on 29-10-2021 17:14
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 Member Location: Alfter, Germany Posts: 115 Joined: 02.03.20 |
Who can confirm my determination? Rhingia rostrata? Thanks in advance Regards - Günter Matzke-Hajek attached the following image:  [176.82Kb] Edited by Matzke-Hajek on 03-04-2022 11:06 |
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| Matzke-Hajek |
Posted on 29-10-2021 17:19
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Member Location: Alfter, Germany Posts: 115 Joined: 02.03.20 |
I forgot to note date and locality: Today (29. Oct. 2021) in my garden in Alfter-Witterschlick near Bonn, Germany. |
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| eklans |
Posted on 29-10-2021 17:25
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Member Location: Franconia, Germany Posts: 4339 Joined: 11.11.18 |
Hi Günter, that was my question. It looks exactly like rostrata (mainly red legs, thorax bluegrey...) but this seems to be a spring species. Only campestris should be in the air in October. Do you have a shrper view of the arista?
Edited by eklans on 29-10-2021 17:25 Greetings, Eric |
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| Matzke-Hajek |
Posted on 29-10-2021 17:43
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Member Location: Alfter, Germany Posts: 115 Joined: 02.03.20 |
here another foto of the head... |
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| eklans |
Posted on 29-10-2021 17:51
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Member Location: Franconia, Germany Posts: 4339 Joined: 11.11.18 |
There's a second generation - peak September - until October. So I'm quite sure it is rostrata. (The new foto hasn't arrived yet)
Greetings, Eric |
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| Matzke-Hajek |
Posted on 30-10-2021 08:09
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Member Location: Alfter, Germany Posts: 115 Joined: 02.03.20 |
something went wrong, sorry, second try |
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| Matzke-Hajek |
Posted on 30-10-2021 08:12
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Member Location: Alfter, Germany Posts: 115 Joined: 02.03.20 |
grrr
Matzke-Hajek attached the following image:  [79.57Kb] |
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| eklans |
Posted on 30-10-2021 08:51
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Member Location: Franconia, Germany Posts: 4339 Joined: 11.11.18 |
Yes, looks like the arista is bare (rostrata)!
Greetings, Eric |
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| Matzke-Hajek |
Posted on 30-10-2021 12:07
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Member Location: Alfter, Germany Posts: 115 Joined: 02.03.20 |
Leg colour, lack of black margins of abdomen, and blueish grey thorax led me to rostrata too. Some keys depend on ratio of snout length to eye diameter, but this depends on angle of view and seems not reliable at all. But I didn't know about the phenology - so thanks for your expertise! Günter |
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| Karsten Thomsen |
Posted on 20-01-2022 12:59
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 Member Location: Hjortshøj, Jutland, Denmark Posts: 651 Joined: 07.01.16 |
Perhaps you should edit the title bar in accordance with ID. |
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