A New Species of HercostomusLoew, 1857 (Diptera, Dolichopodidae) from India with Some Nomenclatural Notes

Autor: Grichanov, I. Ya.
Zdroj: Entomological Review; September 2023, Vol. 103 Issue: 6 p684-691, 8p
Abstrakt: Abstract: A new material of the genus HercostomusLoew, 1857 has been recently found and identified. Hercostomus tomkovichisp. n.from Meghalaya State of eastern India is described and illustrated. The new species differs from other representatives of the genus mainly in the morphology of the male hind leg and genitalia. Gymnopternus bitinctus(Becker, 1922), comb. n.,is declared as a nomen dubium; Gymnopternus gregalis(Becker, 1922), comb. n.,is excluded from the Indian list; Hercostomus geminatusBecker, 1922 is transferred to the genus PseudohercostomusStackelberg, 1931; hence a new combination is made: Pseudohercostomus geminatus(Becker, 1922), comb. n.Now, nine Hercostomusspecies are known from the country. An identification key to species of Hercostomusfrom India is provided.
Databáze: Supplemental Index