摘要
本文记述采自广西的小腹茧蜂属ＭｉｃｒｏｇａｓｔｅｒＬａｔｒｅｉｌｌｅ一新种，黄褐小腹茧蜂Ｍｉｃｒｏｇａｓｔｅｒｒａｖｕｓｓｐ．ｎｏｖ．。
Microgaster rams sp. nov. (Figs. 1-5)Female Head (from above) 1. 7 times as wide as long, tempora behind eyes rounded,constricted. Distance between fore and a hind ocelli less than the diameter of hind ocellus (2: 3), POL less than OOL (5: 8). Face 1. 3 times as wide as high. First segment of flagellum 2. 8 times as long as broad. Penultimate joint of antenna 1. 8 times as long as broad.Thorax (including tegula) wider than head (1. 23: 1 ), ratio of its length, width and height,as 1. 39: 1. 28: 1. Stigma 2. 2 times longer than wide, r1 leaving somewhat distally,metacarp 2. 6 times as long as its distance from apex of radial cell. The Cu2 4-sided, d1 equalto d2, nervellus of hind wing straight. The ratio of the length to fore and hind widths of tergite 1 is 1. 6: 1: 1. 8, tergite 2 is 3. 56 times as broad as heigh and equal to tergite 3. Hypopygium short, strongly sclerotized, ending far before apex of abdomen, ovipositor sheathlonger than of 3rd tibia.Body yellow-brown, hairs, scape, pedicel, laterotergites Ⅰ and Ⅱ, spurs of tibia,hind tibia basally yellowish and white. Wings hyaline, stigma and veins yellow-brown; forewing with a dark cloud beneath the stigma and outer margin.This species is closely related to Microgaster postica Nees, but differs from the latter asfollows: Cu2 4-sided ; the ratio of the length to the fore and hind widths of tergite 1 is 1. 6:1: 1. 8; d1 equal to d2; hind tibia yellowish brown in colour except for the hasal and hindspur which are whitish.Length: ♀ 3. 4 mm.Holotype ♀, Tao Cheng, Daxin County (22. 8°N, 107. 1°E), Guangxi Province, 15.X. 1980, by ZHOU Zhi-hong from sugarcane field, deposited in Hunan Agricultural University.
出处
《动物分类学报》
CSCD
1996年第2期214-217,共4页
Acta Zootaxonomica Sinica
基金
国家自然科学基金
