摘要
本文记述采自湖北神农架的铜木蚜蝇属Ｃｈａｌｃｏｓｙｒｐｈｕｓ一新种：强铜木蚜蝇Ｃｈａｌｃｏｓｙｒｐｈｕｓ（Ｘｙｌｏｔｉｎａ）ｆｏｒｔｉｓＨｅｅｔＣｈｕ新种。模式标本保存于上海农学院。
Chalcosyrphus (Xylotina) fortis He et Chu,SP. nov.Male Length: body 13mm,wing 10. 5mm.Anterior and middle legs except coxa yellowish brown,with two apical segments of tarsi tarker;hind legs except coxa and trochanter brown;posterior trochanter with a distinct short conical spur. For structure of hind femur and tibia,see Fig. 1B.Abdomen (Fig. 1C) short,less than 1. 5 times as long as mesonotum and scutellum together,slightly constriction at junction of 2 and 3; tergite 4 with distinctly depressed apical part; surface of tergites smooth and black,with subtriangular pale lateral patches on tergites 2 and 3.For genitalia,see Figs. 1D￣F.Female: unknown.This new species differs from the other species of the subgenus Chalcosyrphus (Xylotina )by the combination of following characters:tergites 2 and 3 with subtriangular palelateral patches (Fig. 1C) isuperior lobes asymmetric (Fig. 1F) ; lacking a deep notch dorsally on the dostal portion of the aedeagus.Holotype♂, Shennongjia, Hubei, 28-VII-1985, Mao Xiaoyuan.
基金
国家自然科学基金
