This paper describes two new species of Syrphidae from Shanxi Province of China.Chrysotoxum seximaculatum sp.nov.is similar to C.rossicum Becker,1921,but differs from the latter by the rather short hairs on body,black...This paper describes two new species of Syrphidae from Shanxi Province of China.Chrysotoxum seximaculatum sp.nov.is similar to C.rossicum Becker,1921,but differs from the latter by the rather short hairs on body,black pleuron,three pairs of orange marks on abdomen and tergite 5 black,the latter with long hairs on body,black pleuron with yellow marks,four pairs of yellow marks on abdomen and tergite 5 with yellow small lateral marks.Dasysyrphus luyashanensis sp.nov.is allied to D.albostriatus(Fallén,1817),but can be distinguished from the latter by the postalar callus with yellow maculae,hind femur with black broad rings and apical segments of hind tarsi blackish dorsally,the latter with both postalar callus and postpronotal lobes with yellow maculae,basal 1/4 to 1/2 of the fore and middle femora,middle part of hind femur and apical half of hind tibia black.展开更多
基金funded by a Key Project of the Bio-resources Key Laboratory of Shaanxi Province(14JS017)a Scientific Research Plan Projects of Key Laboratory of Shaanxi Education Department(16JS020)a China Postdoctoral Science Foundation(2016M590968)
文摘This paper describes two new species of Syrphidae from Shanxi Province of China.Chrysotoxum seximaculatum sp.nov.is similar to C.rossicum Becker,1921,but differs from the latter by the rather short hairs on body,black pleuron,three pairs of orange marks on abdomen and tergite 5 black,the latter with long hairs on body,black pleuron with yellow marks,four pairs of yellow marks on abdomen and tergite 5 with yellow small lateral marks.Dasysyrphus luyashanensis sp.nov.is allied to D.albostriatus(Fallén,1817),but can be distinguished from the latter by the postalar callus with yellow maculae,hind femur with black broad rings and apical segments of hind tarsi blackish dorsally,the latter with both postalar callus and postpronotal lobes with yellow maculae,basal 1/4 to 1/2 of the fore and middle femora,middle part of hind femur and apical half of hind tibia black.
