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
Two new Xiphydriidae species are described from Zhejiang,China:Hyperxiphia ruficephala Wei sp.nov.and Xiphydria tianmunica Wei sp.nov.Types examined in this study are deposited in the Asian Sawfly Museum,Nanchang(ASMN).
Two new species of Tenthredo fortunei group from China are described： Tenthredo nigrocaudata Niu, Hu ＆ Wei sp. nov. and Tenthredo novemmacula Niu, Hu ＆ Wei sp. nov.
Gilpinia wui Wang & Wei sp. nov. of Diprionidae is described from China. The species was ever mentioned as Gilpinia wui Xin, nom. nud. without description, figures and diagnosis, and the type was also not designat...Gilpinia wui Wang & Wei sp. nov. of Diprionidae is described from China. The species was ever mentioned as Gilpinia wui Xin, nom. nud. without description, figures and diagnosis, and the type was also not designated. The larvae of G. wui feed on Pinus tabulaeformis Carr. The new species is similar to G.massoniana G. Xiao, 1992 from China but differs in clypeus laterally yellow marked, the posterior femur yellowish, the angle formed by the dorsal line between the upper end of the second ctenidium and the lancet apex with the ventral line between the apex of the second serrula and the lancet apex about 25 degrees, the 6 th annulus clearly broader, the ventral apical margin of penis valve multitoothed and the larvae feeding on Pinus tabulaeformis.展开更多
A new species in China,Nematus baii Liu,Li Wei sp.nov.,is described,which belongs to the Nematus lucidus group.The major characteristics of N.lucidus group are briefly discussed.A key to the three known species from t...A new species in China,Nematus baii Liu,Li Wei sp.nov.,is described,which belongs to the Nematus lucidus group.The major characteristics of N.lucidus group are briefly discussed.A key to the three known species from this species group worldwide is provided.展开更多
Three new species,namely Siobla dianzangica Niu&Wei sp.nov.,S.melanogaster Niu&Wei sp.nov.,and S.trilineata Niu&Wei sp.nov.,are described and illustrated.A key to species and distribution maps of the Siobl...Three new species,namely Siobla dianzangica Niu&Wei sp.nov.,S.melanogaster Niu&Wei sp.nov.,and S.trilineata Niu&Wei sp.nov.,are described and illustrated.A key to species and distribution maps of the Siobla grahami group are given.展开更多
The genus Cladiucha Konow,1902 is reviewed.The generic characters are redescribed based on new material.A new species of this genus is described from Yunnan,China:C.punctata Wei sp.nov.,and a key to species is also pr...The genus Cladiucha Konow,1902 is reviewed.The generic characters are redescribed based on new material.A new species of this genus is described from Yunnan,China:C.punctata Wei sp.nov.,and a key to species is also provided.展开更多
Four new species:Siobla elevatina Niu&Wei sp.nov.,S.emeiensis Niu&Wei sp.nov.,S.kangba Niu&Wei sp.nov.,and S.taegeri Niu&Wei sp.nov.are described and illustrated.A key to species of Siobla sturmii grou...Four new species:Siobla elevatina Niu&Wei sp.nov.,S.emeiensis Niu&Wei sp.nov.,S.kangba Niu&Wei sp.nov.,and S.taegeri Niu&Wei sp.nov.are described and illustrated.A key to species of Siobla sturmii group is given.展开更多
The diagnosis and species distribution of the genus Eriotremex Benson,1943 is briefly reviewed.Two new Chinese species of Eriotremex are described and illustrated:E.decem Wei sp.nov.and E.shengi Wei sp.nov.Eriotremex ...The diagnosis and species distribution of the genus Eriotremex Benson,1943 is briefly reviewed.Two new Chinese species of Eriotremex are described and illustrated:E.decem Wei sp.nov.and E.shengi Wei sp.nov.Eriotremex serraticostatus(Xiao&Wu,1983)comb.nov.is transferred from Tremex Jurine.A key to the four known species of Eriotremex from China is provided.展开更多
The genus Tibetajanus Wei,1996 is reviewed based on holotypes and new material.The genus is unique among the genera of Cephidae by the supraclypeal area with a sharp middle keel,the forth labial palpus short and clear...The genus Tibetajanus Wei,1996 is reviewed based on holotypes and new material.The genus is unique among the genera of Cephidae by the supraclypeal area with a sharp middle keel,the forth labial palpus short and clearly broader than the forth maxillary palpus,left mandible short and strongly bent at middle,most of the flagellomeres in male serrate ventrally,the middle serrulae of female lancet with fine teeth.A new species,T.circularis sp.nov.,is described from the southern mountainous regions of Jiangxi and Hunan Provinces,China.A key to known species of this genus is provided.展开更多
A new species of Sterictiphorinae of Argidae is described from Zhejiang,China:Aprosthema brevivertexis Wei sp.nov.This new species is similar to A.tianmunicum Wei&Wen,2000 from Zhejiang,but differs from it by the ...A new species of Sterictiphorinae of Argidae is described from Zhejiang,China:Aprosthema brevivertexis Wei sp.nov.This new species is similar to A.tianmunicum Wei&Wen,2000 from Zhejiang,but differs from it by the following characters:the fore wing with a broad smoky band below pterostigma,the cell 1 Rs clearly longer than cell 2 Rs,the second abscissa of the vein Rs 1.3 times as long as the third abscissa of Rs,the postocellar area weakly elevated and about 2.2 times as broad as long,the malar space clearly shorter than diameter of median ocellus,the mesoscutal middle lobe without middle furrow and with a fine middle carina,the lobes of the apical sheath in dorsal view far remote from each other,and in lateral view the apex of sheath strongly acuminated.展开更多
Two new species of the Tenthredo grahami group of Tenthredinidae,Hymenoptera,from Sichuan and Tibet of China are described here,namely T.nigrobullifera sp.nov.and T.megamaculata sp.nov.A diagnosis and a revised key to...Two new species of the Tenthredo grahami group of Tenthredinidae,Hymenoptera,from Sichuan and Tibet of China are described here,namely T.nigrobullifera sp.nov.and T.megamaculata sp.nov.A diagnosis and a revised key to species of the Tenthredo grahami group are provided.All type specimens of the new species are deposited in the Asian Sawfly Museum,Nanchang,China(ASMN).展开更多
Six Siobla species are revised,including the following new synonymies:S.rufoscapa Wei,2002,syn.nov.,synonymized by S.villosa Malaise,1931;S.tuberculatana Wei,2002,syn.nov.,synonymized by S.malaisei Mallach,1933 and En...Six Siobla species are revised,including the following new synonymies:S.rufoscapa Wei,2002,syn.nov.,synonymized by S.villosa Malaise,1931;S.tuberculatana Wei,2002,syn.nov.,synonymized by S.malaisei Mallach,1933 and Encarsioneura similis Mocsáry,1909,syn.nov.,synonymized by S.ruficornis(Gimmerthal,1834).S.frigida Mocsáry,1909,as the synonym of S.sturmii(Klug,1817)was recovered;Siobla plesia stat.nov.is regarded to be a valid species,rather than a subspecies of S.sturmii.Siobla iridipennis Malaise,1934 is redescribed based on the holotype,and a new species group,Siobla iridipennis group,is proposed.The characters of the group are briefly discussed.All illustrations of type specimens mentioned in this paper are provided.In addition,the lectotypes of Encarsioneura similis Mocsáry,1909,Encarsioneura frigida Mocsáry,1909,and Siobla sturmii plesia Malaise,1945 are designated here.展开更多
The genus Alloxiphia Wei,2002 was redescribed based on new materials.Two species from China were described as new to science,namely A.tianmua Wei,sp.nov.and A.qinlingia Wei,sp.nov.A key to known species of the genus i...The genus Alloxiphia Wei,2002 was redescribed based on new materials.Two species from China were described as new to science,namely A.tianmua Wei,sp.nov.and A.qinlingia Wei,sp.nov.A key to known species of the genus is provided.The differences among Alloxiphia,Palpixiphia Maa,1949 and Hyperxiphia Maa,1949 were also briefly discussed.展开更多
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(31672344,31501885)
文摘Two new Xiphydriidae species are described from Zhejiang,China:Hyperxiphia ruficephala Wei sp.nov.and Xiphydria tianmunica Wei sp.nov.Types examined in this study are deposited in the Asian Sawfly Museum,Nanchang(ASMN).
基金supported by the National Natural Science Foundation of China(31172142,31501885,31672344)
文摘Two new species of Tenthredo fortunei group from China are described： Tenthredo nigrocaudata Niu, Hu ＆ Wei sp. nov. and Tenthredo novemmacula Niu, Hu ＆ Wei sp. nov.
基金partly supported by the Hunan Provincial Innovation Foundation for Postgraduate(CX2017B398)the Scientific Innovation Fund for Graduates of Central South University of Forestry and Technology(CX2017A03)+2 种基金the National Natural Science Foundation of China(31501885,31672344)the Innovation Platform Project of Hunan Provincial Universities(15K150)the Natural Science Foundation of Zhejiang Province(LY18C040001)
文摘Gilpinia wui Wang & Wei sp. nov. of Diprionidae is described from China. The species was ever mentioned as Gilpinia wui Xin, nom. nud. without description, figures and diagnosis, and the type was also not designated. The larvae of G. wui feed on Pinus tabulaeformis Carr. The new species is similar to G.massoniana G. Xiao, 1992 from China but differs in clypeus laterally yellow marked, the posterior femur yellowish, the angle formed by the dorsal line between the upper end of the second ctenidium and the lancet apex with the ventral line between the apex of the second serrula and the lancet apex about 25 degrees, the 6 th annulus clearly broader, the ventral apical margin of penis valve multitoothed and the larvae feeding on Pinus tabulaeformis.
基金supported by the National Natural Science Foundation of China((31501885,31672344)the Natural Science Foundation of Zhejiang Province(LY18C040001)+1 种基金the Postgraduate Scientific Research Innovation Project of Hunan Province(CX2016B345)the Postgraduate Scientific Innovation Project of Central South University of Forestry and Technology(CX2016A05)
文摘A new species in China,Nematus baii Liu,Li Wei sp.nov.,is described,which belongs to the Nematus lucidus group.The major characteristics of N.lucidus group are briefly discussed.A key to the three known species from this species group worldwide is provided.
基金supported by the National Natural Science Foundation of China (31501885,31970447)。
文摘Three new species,namely Siobla dianzangica Niu&Wei sp.nov.,S.melanogaster Niu&Wei sp.nov.,and S.trilineata Niu&Wei sp.nov.,are described and illustrated.A key to species and distribution maps of the Siobla grahami group are given.
基金This research was supported by the National Natural Science Foundation of China(31672344)the Research Foundation for Advanced Talents of Jiangxi Normal Universities(2018).
文摘The genus Cladiucha Konow,1902 is reviewed.The generic characters are redescribed based on new material.A new species of this genus is described from Yunnan,China:C.punctata Wei sp.nov.,and a key to species is also provided.
基金supported by the National Natural Science Foundation of China (31501885,31970447)the Foundation of Hunan Educational Committee (2016-2330)。
文摘Four new species:Siobla elevatina Niu&Wei sp.nov.,S.emeiensis Niu&Wei sp.nov.,S.kangba Niu&Wei sp.nov.,and S.taegeri Niu&Wei sp.nov.are described and illustrated.A key to species of Siobla sturmii group is given.
基金supported by the National Natural Science Foundation of China(31970447)GDAS Special Project of Science and Technology Development(2020GDASYL-20200102021,2020GDASYL-20200301003)。
文摘The diagnosis and species distribution of the genus Eriotremex Benson,1943 is briefly reviewed.Two new Chinese species of Eriotremex are described and illustrated:E.decem Wei sp.nov.and E.shengi Wei sp.nov.Eriotremex serraticostatus(Xiao&Wu,1983)comb.nov.is transferred from Tremex Jurine.A key to the four known species of Eriotremex from China is provided.
基金supported by the National Natural Science Foundation of China(31970447)the Scientific Innovation Fund for Graduate of Central South University of Forestry and Technology(CX20191005)GDAS Special Project of Science and Technology Development(2020GDASYL-20200102021,2020GDASYL-20200301003)。
文摘The genus Tibetajanus Wei,1996 is reviewed based on holotypes and new material.The genus is unique among the genera of Cephidae by the supraclypeal area with a sharp middle keel,the forth labial palpus short and clearly broader than the forth maxillary palpus,left mandible short and strongly bent at middle,most of the flagellomeres in male serrate ventrally,the middle serrulae of female lancet with fine teeth.A new species,T.circularis sp.nov.,is described from the southern mountainous regions of Jiangxi and Hunan Provinces,China.A key to known species of this genus is provided.
基金partly supported by the National Natural Science Foundation of China(31970447,31672344)。
文摘A new species of Sterictiphorinae of Argidae is described from Zhejiang,China:Aprosthema brevivertexis Wei sp.nov.This new species is similar to A.tianmunicum Wei&Wen,2000 from Zhejiang,but differs from it by the following characters:the fore wing with a broad smoky band below pterostigma,the cell 1 Rs clearly longer than cell 2 Rs,the second abscissa of the vein Rs 1.3 times as long as the third abscissa of Rs,the postocellar area weakly elevated and about 2.2 times as broad as long,the malar space clearly shorter than diameter of median ocellus,the mesoscutal middle lobe without middle furrow and with a fine middle carina,the lobes of the apical sheath in dorsal view far remote from each other,and in lateral view the apex of sheath strongly acuminated.
基金partly supported by the National Natural Science Foundation of China(31672344,31970447)
文摘Two new species of the Tenthredo grahami group of Tenthredinidae,Hymenoptera,from Sichuan and Tibet of China are described here,namely T.nigrobullifera sp.nov.and T.megamaculata sp.nov.A diagnosis and a revised key to species of the Tenthredo grahami group are provided.All type specimens of the new species are deposited in the Asian Sawfly Museum,Nanchang,China(ASMN).
基金partly supported by the National Natural Science Foundation of China(31501885,31672344,31970447)。
文摘Six Siobla species are revised,including the following new synonymies:S.rufoscapa Wei,2002,syn.nov.,synonymized by S.villosa Malaise,1931;S.tuberculatana Wei,2002,syn.nov.,synonymized by S.malaisei Mallach,1933 and Encarsioneura similis Mocsáry,1909,syn.nov.,synonymized by S.ruficornis(Gimmerthal,1834).S.frigida Mocsáry,1909,as the synonym of S.sturmii(Klug,1817)was recovered;Siobla plesia stat.nov.is regarded to be a valid species,rather than a subspecies of S.sturmii.Siobla iridipennis Malaise,1934 is redescribed based on the holotype,and a new species group,Siobla iridipennis group,is proposed.The characters of the group are briefly discussed.All illustrations of type specimens mentioned in this paper are provided.In addition,the lectotypes of Encarsioneura similis Mocsáry,1909,Encarsioneura frigida Mocsáry,1909,and Siobla sturmii plesia Malaise,1945 are designated here.
基金partly supported by the National Natural Science Foundation of China(31970447,31672344)。
文摘The genus Alloxiphia Wei,2002 was redescribed based on new materials.Two species from China were described as new to science,namely A.tianmua Wei,sp.nov.and A.qinlingia Wei,sp.nov.A key to known species of the genus is provided.The differences among Alloxiphia,Palpixiphia Maa,1949 and Hyperxiphia Maa,1949 were also briefly discussed.
