【摘要】 作者于1983年7月在山西省太谷县发现一毛足雕翅摇蚊Glytotenbipes barbipes(Staeger)种群。由于其染色体数目特异(2n=4),本文对其成虫、蛹及幼虫的分类学特征做了较详细的描述。该物种的雄性成虫的特征与Townes(1945)所描述的以及Pinder(1978)的捡索表中所描述的G. barbipes的雄性成虫特征完全符合,故定名为G. barbipes,但是太谷的G. barbipes与欧洲、北美及苏联的G. barbipes相比,染色体数目不同,必然存在某种生殖隔离。因此,太谷的G. barbipes很可能是G. barbipes的一个亲缘种。更多还原

【Abstract】 A population of Glyptotenbipes barbipes（staeger） was discov ered in 1983 in Taigu county, Shanxi province. Since their peculiar chromo some number（2n=4）, a discription including adult, pupa and larva has been given. Adult Male:Wing length 4.2—4.8mm; LR1.20—1.27; AR4.1—5.2; second segment of foretarsus about 0.89 as long as the third. Fore tarsus with long and very dense beard, BR beyond 5;Body colour blackish or dark brown, and strongly pruinose. Hypopyiguium with a short anal point apically expanded. Dorsal appendage composed of heighly setigerous basal portion and horn-like nude distal protion. Ventral appendage stout, slightly expanded apically, and bears about 30 stout and recurved setal. Gonostylus stout, slightly contricted, near apex. Female, Second segment of fore tarsus about 1.0 as long as the third. Cercus 200μ wide and 150μ long. Spermathecae semiglobular, about 170μ in diamiter. Otherwise similar to the male. Pupa:Body length 8.0—9.0mm. Tergites Ⅱ to Ⅵ each with a palmate scale with tooth-like spines along posterior margin and some smaller spines on surface. length in microns of these scales from Ⅱ to Ⅵ tergite in one of the specimens being 120, 155, 180,260, 450μ;3 pairs of lateral hairs on Ⅱ to Ⅵ abdominal segment, 4 pairs of lateral swimming hairs on segment Ⅴ to Ⅶ and 5 pairs on segment Ⅷ. Coudalateral scales on segment Ⅷ composed of beaked spines varying numbers（5-7）. Anal lobes with fringe of 300 long swimming hairs; longest swimming hair about 0.5mm. Larvae: Bady length 1.0—1.4cm, color in dark red. Head capsule oval round, length 900—1100μ wide 660—850μ. Antenne 5 segments; A₁ 125μ long,A.R.1.37;A1 with two rings organs;the bigger about 1/4 from base; the little ring organ at the dosal upper of A1 and its diamiter about 1/4 of the bigger ones. Labial plate with 13 teeth, the central tooth being widest（38 μ） and with notches at mid-margin. Paralabial plates well developed and striated. 8th abdominal segment bears pairs of short blood gills on venfral side near caudalateral margins, and blood gills longer than anal gills. Discussion: This species presumably the same discribed by Townes, H. K and L. C. V. Pinder by the name of Glyptoteubipes darbipes （staeger）. since all the morphological characteristics of the male are indentical. Because of the difference in chromosome number from European, Soviet and North American G. barbipes, a reproduction isolation must exist, and the po pulation of G. barbipes from Taigu might be a sibling species of G. barbipes.更多还原