This paper describes two new species in the genus Eumerus Meigen,1822(Diptera:Syrphidae)from Alashan Right Banner of China.Eumerus alxaensis Huo&Liu sp.nov.is similar to E.tuberculatus Rondani,but differs from the...This paper describes two new species in the genus Eumerus Meigen,1822(Diptera:Syrphidae)from Alashan Right Banner of China.Eumerus alxaensis Huo&Liu sp.nov.is similar to E.tuberculatus Rondani,but differs from the latter by mesonotum without whitish pollinose middle stripes,tergite 4 with distinctly L-shaped whitish pollinose bands,eyes with long and dense hairs in male but shorter in female,hypandrium ventrally with a semicircular sheet protruding on the middle of lateral margins.Eumerus seximaculatum Huo&Liu sp.nov.is allied to E.strigatus(Fallén),but differs from the latter by eyes bare,vertex covered with pale yellow hairs,whitish pollinose bands on broader tergites,sternite 4 of male with deeply concave posterior margin and male terminalia distinctly different.展开更多
One new species in the genus Azpeytia(Diptera:Syrphidae)from Shaanxi,China,A.brunneteryla sp.nov.,is described.The new species differs from other species of Azpeytia by yellow brown wings and abdominal tergites 2 to 4...One new species in the genus Azpeytia(Diptera:Syrphidae)from Shaanxi,China,A.brunneteryla sp.nov.,is described.The new species differs from other species of Azpeytia by yellow brown wings and abdominal tergites 2 to 4 with an inverse V-shaped narrow gray-white pollinose strip medially.A species list and key to Chinese species in this genus are provided.展开更多
基金This research is supported by the science and technology project of Alxa League(AMYY202020-1).
文摘This paper describes two new species in the genus Eumerus Meigen,1822(Diptera:Syrphidae)from Alashan Right Banner of China.Eumerus alxaensis Huo&Liu sp.nov.is similar to E.tuberculatus Rondani,but differs from the latter by mesonotum without whitish pollinose middle stripes,tergite 4 with distinctly L-shaped whitish pollinose bands,eyes with long and dense hairs in male but shorter in female,hypandrium ventrally with a semicircular sheet protruding on the middle of lateral margins.Eumerus seximaculatum Huo&Liu sp.nov.is allied to E.strigatus(Fallén),but differs from the latter by eyes bare,vertex covered with pale yellow hairs,whitish pollinose bands on broader tergites,sternite 4 of male with deeply concave posterior margin and male terminalia distinctly different.
基金supported by the Natural Science Major Project in Shaanxi Province of China(2019JZ-34)the National Natural Science Foundation of China(31900345)+4 种基金Shaanxi Provincial Science and Technology Department Project(2021JQ-757)Shaanxi Provincial Education Department Project(21JK0555)Shaanxi Forestry Department Project(SXRCZB209-ZC-DY1002)the Foundation of Shaanxi University of Technology(SLGRC13)the Opening Foundation of Shaanxi University of Technology(SLGPT2019KF02-02)。
文摘One new species in the genus Azpeytia(Diptera:Syrphidae)from Shaanxi,China,A.brunneteryla sp.nov.,is described.The new species differs from other species of Azpeytia by yellow brown wings and abdominal tergites 2 to 4 with an inverse V-shaped narrow gray-white pollinose strip medially.A species list and key to Chinese species in this genus are provided.