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
记述采自中国河南的真片叶蜂属4新种:短室真片叶蜂Eutomostethus brevicellus Wei et Niu,sp.nov.,狭突真片叶蜂Eutomostethus lineituberculus Wei et Niu,sp.nov.,白腹真片叶蜂Eutomostethus albiventralinus Wei et Niu,sp.nov.和假...记述采自中国河南的真片叶蜂属4新种:短室真片叶蜂Eutomostethus brevicellus Wei et Niu,sp.nov.,狭突真片叶蜂Eutomostethus lineituberculus Wei et Niu,sp.nov.,白腹真片叶蜂Eutomostethus albiventralinus Wei et Niu,sp.nov.和假亮真片叶蜂Eutomostethus pseudometallicus Wei et Niu,sp.nov.。新种模式标本保存于湖南长沙中南林业科技大学昆虫模式标本室。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.
文摘记述采自中国河南的真片叶蜂属4新种:短室真片叶蜂Eutomostethus brevicellus Wei et Niu,sp.nov.,狭突真片叶蜂Eutomostethus lineituberculus Wei et Niu,sp.nov.,白腹真片叶蜂Eutomostethus albiventralinus Wei et Niu,sp.nov.和假亮真片叶蜂Eutomostethus pseudometallicus Wei et Niu,sp.nov.。新种模式标本保存于湖南长沙中南林业科技大学昆虫模式标本室。
