NOTES ON ANNOSA SPECIES-GROUP OF HELINA R.-D. （DIPTERA： MUSCIDAE） IN CHINA

The genus Helina R.-D., 1830 is the second largest genus in Muscidae. By now,more than 400 species are known in the world and about 200 species have been described in China. This paper outlines earlier studies on the subgenus and species-group of Helina. Helina annosa species-group is erected. A key to the known Chinese subgroups and species is given.The 19 known Chinese species is listed, including one new species, i.e. Helina setipostitibia sp. nov. Type specimen of the holotype of the new species is deposited in the Institute of Entomology, Shenyang Normal University.