Two new species of Dolerinae from Mt.Liupan,Ningxia of China are described:Dolerus liupanicus Wei sp.nov.and D.xiai Wei sp.nov.Dolerus liupanicus is similar to D.purus Jakovlev,1891 but differs from it by the pronotum...Two new species of Dolerinae from Mt.Liupan,Ningxia of China are described:Dolerus liupanicus Wei sp.nov.and D.xiai Wei sp.nov.Dolerus liupanicus is similar to D.purus Jakovlev,1891 but differs from it by the pronotum,tegula,mesoscutal middle lobe and the first abdominal tergum entirely black,the setae of apical sheath almost straight and extending outward at an angle of about 100 degrees,the alaspiculae of middle annuli very large,the middle serrulae each with about 14 to 15 small subbasal teeth.Dolerus xiai is similar to D.japonicus Kirby,1882 but differs from the latter by the fore wing deeply infuscate,the mesepisternum and legs entirely black,the setae on apical sheath blackish brown,the apical sheath in lateral view narrow and strongly tapering toward apex,the middle carina on mesoscutellar appendage not concave,the male abdomen with broad reddish brown rings,and the dorsal apical corner of penis valve convex.A key to species of Dolerinae from Mt.Liupan and nearby area is also provided.展开更多
Two new species of the Aglaostigma laticinctum subgroup belonging to A.tertium group,are described and illustrated in this study:A.leucogaster Liu,Li&Wei sp.nov.and A.rufitegula Liu,Li&Wei sp.nov.The Aglaostig...Two new species of the Aglaostigma laticinctum subgroup belonging to A.tertium group,are described and illustrated in this study:A.leucogaster Liu,Li&Wei sp.nov.and A.rufitegula Liu,Li&Wei sp.nov.The Aglaostigma laticinctum subgroup is proposed here for the first time,with a brief discussion of its diagnostic features.Additionally,a key to all known species of the A.laticinctum subgroup from China is provided.展开更多
Six new species from China and one new species from South Korea of the Aglaostigma tertium subgroup are described and illustrated:A.koreatertium Liu,Li&Wei sp.nov.,A.nigriterga Liu,Li&Wei sp.nov.,A.rufitarsis ...Six new species from China and one new species from South Korea of the Aglaostigma tertium subgroup are described and illustrated:A.koreatertium Liu,Li&Wei sp.nov.,A.nigriterga Liu,Li&Wei sp.nov.,A.rufitarsis Liu,Li&Wei sp.nov.,A.xanthocellidea Liu,Li&Wei sp.nov.,A.xanthocephalica Liu,Li&Wei sp.nov.,A.xanthoscutellaris Liu,Li&Wei sp.nov.and A.zhuzhichengi Liu,Li&Wei sp.nov.The Aglaostigma tertium subgroup is proposed for the first time,and the diagnosis of the A.tertium subgroup is briefly discussed.A key to all known species of the A.tertium subgroup is provided.展开更多
A peculiar sawfly genus from middle Asia,Cacosyndya Kirby,1883 and the type species Cacosyndya dimorpha(Freymuth,1870)are redescribed and illustrated.The systematic position of this genus in Tenthredinidae is discusse...A peculiar sawfly genus from middle Asia,Cacosyndya Kirby,1883 and the type species Cacosyndya dimorpha(Freymuth,1870)are redescribed and illustrated.The systematic position of this genus in Tenthredinidae is discussed.The females in the genus are apterous,the only known apterous Symphytan,but the male is normally winged.Cacosyndya is not a member of Fenusinae or Heterarthrinae,but a member of Phymatocerini of Blennocampinae,Tenthredinidae as shown by the structure of the antenna,wing venation and body structure.The relationship between Cacosyndya and members of Phymatocerini is briefly discussed.展开更多
Species of Pamphiliidae in the Himalaya region are quite rare.Only seven species belonging to three genera of this family have been recorded.Two new species of Pamphiliidae from Linzhi,Xizang of China are described:Ce...Species of Pamphiliidae in the Himalaya region are quite rare.Only seven species belonging to three genera of this family have been recorded.Two new species of Pamphiliidae from Linzhi,Xizang of China are described:Cephalcia xizangica Wei sp.nov.and Onycholyda nigrothorax Wei sp.nov.Cephalcia is recorded from the Himalaya region for the first time.A key to currently known species of Pamphiliidae from Himalayas is provided.展开更多
基金supported by the National Natural Science Foundation of China(3237050031970447).
文摘Two new species of Dolerinae from Mt.Liupan,Ningxia of China are described:Dolerus liupanicus Wei sp.nov.and D.xiai Wei sp.nov.Dolerus liupanicus is similar to D.purus Jakovlev,1891 but differs from it by the pronotum,tegula,mesoscutal middle lobe and the first abdominal tergum entirely black,the setae of apical sheath almost straight and extending outward at an angle of about 100 degrees,the alaspiculae of middle annuli very large,the middle serrulae each with about 14 to 15 small subbasal teeth.Dolerus xiai is similar to D.japonicus Kirby,1882 but differs from the latter by the fore wing deeply infuscate,the mesepisternum and legs entirely black,the setae on apical sheath blackish brown,the apical sheath in lateral view narrow and strongly tapering toward apex,the middle carina on mesoscutellar appendage not concave,the male abdomen with broad reddish brown rings,and the dorsal apical corner of penis valve convex.A key to species of Dolerinae from Mt.Liupan and nearby area is also provided.
基金supported by the National Natural Science Foundation of China(31970447)starting fund for doctoral research of Lishui University(6004LMM01Z)the Special Funds for Scientific Research of Postdoctoral Work Station Assessment in Zhejiang Province,China(2023).
文摘Two new species of the Aglaostigma laticinctum subgroup belonging to A.tertium group,are described and illustrated in this study:A.leucogaster Liu,Li&Wei sp.nov.and A.rufitegula Liu,Li&Wei sp.nov.The Aglaostigma laticinctum subgroup is proposed here for the first time,with a brief discussion of its diagnostic features.Additionally,a key to all known species of the A.laticinctum subgroup from China is provided.
基金supported by the scientific research project of Baishanzu National Park(2023JBGS07)the National Natural Science Foundation of China(31970447,32370500)the Special Funds for Scientific Research of Postdoctoral Work Station Assessment in Zhejiang Province,China(2023).
文摘Six new species from China and one new species from South Korea of the Aglaostigma tertium subgroup are described and illustrated:A.koreatertium Liu,Li&Wei sp.nov.,A.nigriterga Liu,Li&Wei sp.nov.,A.rufitarsis Liu,Li&Wei sp.nov.,A.xanthocellidea Liu,Li&Wei sp.nov.,A.xanthocephalica Liu,Li&Wei sp.nov.,A.xanthoscutellaris Liu,Li&Wei sp.nov.and A.zhuzhichengi Liu,Li&Wei sp.nov.The Aglaostigma tertium subgroup is proposed for the first time,and the diagnosis of the A.tertium subgroup is briefly discussed.A key to all known species of the A.tertium subgroup is provided.
基金supported by the National Natural Science Foundation of China(3237050031172142)。
文摘A peculiar sawfly genus from middle Asia,Cacosyndya Kirby,1883 and the type species Cacosyndya dimorpha(Freymuth,1870)are redescribed and illustrated.The systematic position of this genus in Tenthredinidae is discussed.The females in the genus are apterous,the only known apterous Symphytan,but the male is normally winged.Cacosyndya is not a member of Fenusinae or Heterarthrinae,but a member of Phymatocerini of Blennocampinae,Tenthredinidae as shown by the structure of the antenna,wing venation and body structure.The relationship between Cacosyndya and members of Phymatocerini is briefly discussed.
基金partly supported by the National Natural Science Foundation of China(323705003197044731672344)。
文摘Species of Pamphiliidae in the Himalaya region are quite rare.Only seven species belonging to three genera of this family have been recorded.Two new species of Pamphiliidae from Linzhi,Xizang of China are described:Cephalcia xizangica Wei sp.nov.and Onycholyda nigrothorax Wei sp.nov.Cephalcia is recorded from the Himalaya region for the first time.A key to currently known species of Pamphiliidae from Himalayas is provided.
