Sympycnus simplicitarsis Becker, 1900

Negrobov, Oleg P., Grichanov, Igor Ya. & Selivanova, Olga V., 2017, Review of East Palaearctic species of Sympycnus Loew, 1857, with a key to species, Zootaxa 4277 (4), pp. 531-548 : 541

Sympycnus simplicitarsis Becker

( Figs 26–31 )

Sympycnus simplicitarsis Becker, 1900: 39 .

Type material examined. Syntype ♂, labelled: [ Russia:] Dudinka, G. Sahlb., N 42498 ( MZH).

Other material examined. Russia. 2♂, [Yakutia:] Tundra , Tiriya river , 1875, Chekanovsky ( ZIN) ; 2♂, Yakutia, Vilyui River mouth, 17.VI.1875, Chekanovsky ( ZIN) ; 2♂, Yakutia, Khattygi-Terde, Amga River , 6.VIII.1925, Bianki ( ZIN) ; 2♂, Yakutia, Keedei Lake, Amga River road, 15.VII.1925, Bianki ( ZIN) ; 2♂, Yakutia, Albyi Lake, Amga River road, 22.VII.1925, Bianki ( ZIN) ; 1♂, Yakutia, Tengyutte-terde, Amga River , 27.VII.1925, Bianki ( ZIN) ; 1♂, Yakutsk, 30.VI.1927, Moskvin ( ZIN) ; 1♂, [Buryatia:] Sayany Mnts., Mondy vil., 20.VIII.1962, Gorodkov ( ZIN) .

Remarks. Sympycnus simplicitarsis males are peculiar in having absolutely simple legs including fore tarsus ( Fig. 27 ) and hind tarsus, but having typical of the genus morphology of hypopygium ( Figs 29–31 ) and other parts of body.

Distribution. Palaearctic: Russia (Taimyria, Altai). New for Yakutia and Buryatia republics of Russia.

Figures

FIGURES 26 – 31. Sympycnus simplicitarsis Becker, male syntype. 26, antenna, lateral view; 27, fore tarsus, lateral view; 28, hypopygium, left lateral view; 29, hypopygium, ventral view; 30, basoventral appendage of postgonite, lateral view; 31, apex of phallus, lateral view.