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 Bulgarian Stenopogon
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| clovis |
Posted on 23-03-2014 18:31
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Member Location: North France, lille Posts: 914 Joined: 08.06.10 |
Hi, Here is a Stenopogon i found this summer on bulgarian black sea side. Using this paper and some other things i stay with 2 possibility: S sabaudus and S.xanthotrichus (and macilentus). S xanthotrichus look really similar with its black femora. Do you know how to differentiate those 2?  Clovis : Bulgarie : Kiten : 8183 : 7/7/2013 Altitude : 5 m - Taille : 18 mm Réf. : 116495  Clovis : Bulgarie : Kiten : 8183 : 7/7/2013 Altitude : 5 m - Taille : 18 mm Réf. : 116496 |
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| Quaedfliegh |
Posted on 24-03-2014 02:57
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 Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
With key by Engel i get S. sabaudus fulvulus. This name is not valid though. Maybe a thermophilic variety of sabaudus? It is also possible i miss something. I hope someone else reacts too.
Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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| clovis |
Posted on 24-03-2014 13:09
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Member Location: North France, lille Posts: 914 Joined: 08.06.10 |
Hope too also, but many thanks still for those informations  With this key you can rule out xanthotrichus? On the net, i only found this: "sabaudus fulvulus Pallas in Wiede- mann (1818) [ = occultus Loew (1861), pyrrhomus Wiedemann (1818), pyrrhous Schiner (1862)]" here. I don't know if that can help. (xanthotrichus been described in 1832) |
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| Quaedfliegh |
Posted on 27-03-2014 23:16
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Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
: ) That xanthotrichus description fits reasonably good too. As i can't see some characters on these pictures i have to gamble. I would like to have a clear picture of the wing venation and belly of abdomen. But desription of both xanthotrichus and sabaudus say that the sides of the tergites have to be shiny black and not dusted. This is not the case here. Maybe someone else has a better opinion.
Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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| clovis |
Posted on 31-03-2014 19:14
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Member Location: North France, lille Posts: 914 Joined: 08.06.10 |
Here it is :  Strangly the shiny black side of tergite is well visible here. i can't tell you it's the same specimen, i collected a few of them from this place. But if it isn't, it must be his brother |
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| Quaedfliegh |
Posted on 04-04-2014 23:16
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Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
The sternites seem to be red, so according to Engel that would exclude xanthotrichus?? But new pictures of the genitalia and the hind legs might bring a solution....: )
Edited by Quaedfliegh on 09-04-2014 01:07 Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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| clovis |
Posted on 08-04-2014 20:32
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Member Location: North France, lille Posts: 914 Joined: 08.06.10 |
The hind leg: And part of the genitalia (not really good) But I'm not sure whereas it's the part you are looking for or not...  |
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| Quaedfliegh |
Posted on 14-04-2014 00:18
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Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
Picture is good enough, but this is the dorsal view? Could you make a picture of the ventral side?
Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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| clovis |
Posted on 19-04-2014 16:32
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Member Location: North France, lille Posts: 914 Joined: 08.06.10 |
Yes, dorsal view. Here is the ventral view. Couldn't make better, but if you can't see what you need and you have some drawing, please share, i see much better than those photos under binocular.    Sorry for the delay, i don't really have much time right now, but many thanks for your research |
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| Quaedfliegh |
Posted on 24-04-2014 23:29
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Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
An important character is the shape of the hypandrium (9th sternite) it seems to be simple triangular but i cant be sure because i cant see if there are lateral projections a bit sharper : ) ? . In Richter 1988 there are some drawings. We can see that the sternites are red which should exclude S. xanthotrichus.
Quaedfliegh attached the following image:  [148.33Kb] Edited by Quaedfliegh on 24-04-2014 23:31 Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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| clovis |
Posted on 26-04-2014 17:44
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Member Location: North France, lille Posts: 914 Joined: 08.06.10 |
S9 is exactly consistent with fig 6 (and fig1). Sternites are all red with lateral margin black. So do you think all this description correspond to S sabaudus? Edited by clovis on 26-04-2014 17:46 |
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| Quaedfliegh |
Posted on 27-04-2014 15:28
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Member Location: Tilburg Netherlands Posts: 2208 Joined: 18.05.10 |
I think so, yes, but t differs a bit colour, local variety?
Greetings, Reinoud Field guide to the robber flies of the Netherlands and Belgium: https://www.jeugdbondsuitgeverij.nl/product/field-guide-to-the-robberflies-of-the-netherlands-and-belgium/ https://www.nev.nl/diptera/ |
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