关键词: 双翅目, 蝇科, 阳蝇属, 新种, 中国

Abstract: Helina interaesta sp.nov.(Figs.1-5).Male:Body length 5.0 mm.This new species is similar to Helina reversio(Harris,1780),but differs from the latter by:mid tibia without ad seta(the latter with 1-2);the dorsal of 5th tergite with a pair of long triangle lateral spots(the latter without);male cercus with inner and outer projections on anterior margin in posterior view(the latter without).Female:unknown.Holotype ♂,Hanyuan(Mt.Tuanbao,3053 m,29°23′N,102°52′E),10 Jul.1988,collected by Feng Yan.The type specimen is kept in the Medical Entomological Collection Gallery,Institute of Microbiology and Epidemiology Academy of Military Medical Sciences,Beijing,China.