摘要
本文记述我国长角蚜蝇属 Chrysotoxum Meigen 一新种——黑刺长角蚜蝇 Chrysotoxum nigricentivum Li et He,及8个新记录种:黄盾长角蚜蝇Chrysotoxum kozhevnikovi Smirnov、二带长角蚜蝇 Ch.bicinctum(L.)、丽纹长角蚜蝇 Ch.elegans Loew.梯长角蚜蝇 Ch.tjanshanicum Peck、吉尔吉斯长角蚜蝇 Ch.kirghizorum Peck、西伯利亚长角蚜蝇 Ch.sibiricum Loew、土斑长角蚜蝇 Ch.vernale Loew 和金色长角蚜蝇 Ch.baphrus Waller.模式标本保存于新疆八一农学院。
This paper deals with a new species and eight new records of the genus Chrysotoxum Mg.(Diptera,Syrphidae)of China.The type specimen is desposited in the Insect Section of Xinjiang August First Agricultural College. Chrysotoxum nigrieentivum Li et He,sp.nov.(Figs.1-7) Male:Vertex and ocellar triangle black;Antenna blackish brown with the third joint longer than the sum of prior two joints;Face without black stripe;Scutellum with black spines on the central part;Abdomen oval;Tergites 2、3、4 and 5 with a pair of large pale yellow bar,respectively;Genitalia:the end of stylus figure-like in lateral view,with black spines on its postvcntral side. This species is similar to Chrysotoxum stackelbergi Violovitsh,but can bc seperatcd from the latter by the scutellum with black spines on central part;the first tergite with a black spot on center;the pale yellow band of posterior margin of the third tergite and the male genitalia are different. Body lenght:11mm. Female:unknown. Holotype♂,Fangcao Hu,Hutubi County,Xinjiang,1989-Ⅶ-10,collected by Li Qingxi. The species new to China are as follows: Chrysotoxum kozhevnikovi Smirnov 1925(Fig.8) Ch. bicinctum(Linnaeus)1758(Fig.14) Ch.elegans Loew 1841(Fig.12) Ch.tjanshanicum Peck 1974 Fig.13) Ch.kirghizorum Peck 1974(Fig.9) Ch.sibiricum Loew 1856(Fig.10) Ch.vernale Loew 1841(Fig.11) Ch.baphyrus Walker 1849(Fig.15)
基金
上海市自然科学基金
