云南小腹茧蜂属一新种记述 (膜翅目:茧蜂科,小腹茧蜂亚科)

A new species of Microgaster Latreille from Yunnan Province of China (Hymenoptera: Braconidae: Microgasterinae)

本文记述采自云南昆明的小腹茧蜂属Ｍｉｃｒｏｇａｓｔｅｒ Ｌａｔｒｅｉｌｌｅ 一新种，云南小腹茧蜂ＭｉｃｒｏｇａｓｔｅｒｙｕｎｎａｎｅｎｓｉｓＸｕ ｅｔＨｅ， ｓｐ． ｎｏｖ．

In this paper, a new species of the genus Microgaster is described. The type specimens are deposited in Zhejiang Agricultural University. Microgaster yunnanensis Xu et He, sp. nov. (Figs. 1-5) This new species is closely related to Microgaster incurvata Papp 1976, but differs from the latter in: ① Vertex with finely scattered punctation; ② Anterior third of mesoscutum with superficial punctation; ③ Nervellus of hind wing strongly sloped outward; ④ The cubital cell of hind wing elongated, 3 times as long as broad; ⑤ Cu 2 near triangle; ⑥ Outer surface of hind tibia covered with normal spines; ⑦ Ovipositor sheath not longer than 2/3 of hind tibia; ⑧ Hind tibia and tarsus infuscate. Length:♀, 3.4 mm( exclude ovipositor). ♂, 2.5-3.0 mm. Holotype:♀, Kunming (25.1°N, 102.7°E), Yunnan Province, 18.V.1981, coll. He Junhua. Paratypes: 4♂♂, same data as holotype.