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Diptera.info » Identification queries » Diptera (adults)
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Which Dolichopodid?
pierred
Hello,

At first sight, I thought it was a Poecilobothrus nobilitatus, but it appears that this is a male and since there is no whitish spot at the apex of the wings, this hypothesis is wrong.

Anyone can tell me more? Thanks in advance.
Pierre Duhem
 
Igor Grichanov
I shall check distribution later.

Hercostomus sahlbergi (Zetterstedt, 1838) [Dolichopus] *
=Dolichopus sahlbergi Zetterstedt, 1838: Ins.lappon.: 711 ** Type locality: Sweden: "Lapponia Umensi, Wilhelmina, Asele, Dowre".Palaearctic: England, Sweden, Finland, Denmark, Norway, Sweden, Switzerland, ? France, Italy, Netherlands, Germany, Romania, Hungary, Poland, ?Croatia, ?Yugoslavia, ?Macedonia, ?Austria, Bulgaria, Russia, Czech, Slovakia, ?Slovenia, ?Bosnia and Herzegovina, Belarus * Hercostomus
Igor Grichanov
 
https://doli.vizrppnsuppl.com/
Kahis
Or perhaps the west european look-alike species, Hercostomus vockerothi ?
Kahis
 
www.iki.fi/kahanpaa
pierred
Thanks to both of you.

A genus is already wonderful for me, if we have to remain in the doubt.
Pierre Duhem
 
Igor Grichanov
Hercostomus sahlbergi (Zetterstedt, 1838) [Dolichopus] *
=Dolichopus sahlbergi Zetterstedt, 1838: Ins.lappon.: 711 ** Type locality: Sweden: "Lapponia Umensi, Wilhelmina, Asele, Dowre". Palaearctic: ?Austria, Belarus, ?Bosnia and Herzegovina, Bulgaria, ?Croatia, Czech, Denmark, England, Finland, France, Georgia; Germany, Hungary, Italy, ?Macedonia, Netherlands, Norway, Poland, Romania, Slovakia, ?Slovenia, Sweden, Switzerland, ?Yugoslavia; Russia: N Russia: Arkhangelsk, Karelia, Leningrad, Murmansk, Novgorod; C Russia; S Russia: Alania, Kabardino-Balkaria, Karachai-Cherkessia, Krasnodar; E Russia: S Ural * Hercostomus

Hercostomus vockerothi d'Assis Fonseca, 1976: Ent.monthly Mag. 111: 26 (nom. nov. for Hercostomus sahlbergi auctt. p.p., nec Zetterstedt, 1838) (nec Robinson, 1964) ** Type locality: Austria: Obergurgl. Palaearctic: Austria, France, Romania, Slovakia, Netherlands *

48. Mid basitarsus having a number of long erect setulose hairs beneath, and sometimes also above, in basal half, similar hairs also present at apex of tibia beneath; cercus larger, more rounded and strongly dentate with longer bristles on outer margin; 5.0-6.0 vockerothi d'Assis Fonseca
? Mid basitarsus and tibia with only short hairs; cercus smaller, less rounded and dentate with shorter bristles on outer margin; 5.0-6.0
sahlbergi (Zetterstedt)

Igor Grichanov
 
https://doli.vizrppnsuppl.com/
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