小腹茧蜂属二新种一新记录种(膜翅目:茧蜂科:小腹茧蜂亚科)  

A New Record Species and Two New Species of Microgaster Latreille (Hymenoptera) from China

作　　者：许维岸[1] 何俊华[2] 

机构地区：[1]山东农业大学植物保护系,山东泰安271018 [2]浙江大学植物保护系,浙江杭州310029

出　　处：《Entomotaxonomia》2000年第2期134-139,共6页昆虫分类学报（英文）

基　　金：山东省教委自然科学基金

摘　　要：记述采自辽宁、河南、山东、浙江等省的小腹茧蜂属 Microgaster Latreille 2新种和 1中国新记录种 :刻胸小腹茧蜂 Microgaster punctithorax,sp.nov.、玉米螟小腹茧蜂 Microgaster ostriniae,sp.nov.和平原小腹茧蜂 Microgaster campestris Tobias1 964,new record。模式标本保存在浙江大学植物保护系昆虫标本室。This paper deals with a new record species and two new species of the genus Microgaster Latreille(Hymenoptera: Braconidae: Microgastrinae) collected from Liaoning, Henan, Shandong and Zhejiang provinces in China. All the specimens are deposited in the Insect Collection of Zhejiang University. 1. Microgaster punctithorax Xu et He, sp. nov. (Figs. 1～4) This species is closely related to M. rugosicoxa Papp, but differs from the latter in the combination of the following features: 1) tegula black; 2) 1 CU1 as long as 2 CU1; 3) tergite 3 densely punctate and roughly rugoluse. Holotype ♂, Shenyang (41.8°N, 123.3°E), Liaoning province, Ⅵ～Ⅶ-1994, collected by Lou Juxian, No. 960694. 2. Microgaster ostriniae Xu et He, sp. nov. (Figs. 5～9) This species is closely related to M. uliginosa Thomson, but differs from the latter in the combination of the following features: 1) tegula reddish yellow; 2) scape reddish yellow; 3) sternauli present and crenulated; 4) sculpture along the courses of notauli reaching to the posterior half of the mesoscutum; 5) ovipositor sheath 3/4 times as long as hind tibia. Holotype ♀, Jinan(36.7°N, 117°E), Shandong province,Ⅷ-1983, collected by Feng Jianguo,No.833680. Paratypes: 1♀9 ♂♂, Jinan, Shandong province, Ⅷ-1983,Ⅹ-1987, collected by Feng Jianguo; 2♀♀1♂, Taian(36.4°N, 117.2°E), Shandong province, Ⅴ～Ⅵ-1996, collected by Xu Weian; 1♀, Dalian(38.8°N, 121.6°E), Liao ning province, 16-Ⅶ-1994, collected by Lou Juxian; 11♀♀11♂♂, Hangzhou(30.3°N, 120.2°E), Zhejiang province, collected by Shi Zhuhua and Zhu Ruzhou. 3. Microgaster campestris Tobias 1964, new record from China This species is recorded from China for the first time here. Spcimens examined: 1♀, Shenyang(41.8°N, 123.3°E), Liaoning province, collected by Lou Juxian; 1♀, Shongshan(34.6°N, 113.1°E), Henan province, 11-Ⅶ-1997, collected by Chai Ping.

关 键 词：膜翅目 茧蜂科 小腹茧蜂亚科 新种 新记录 

分 类 号：Q969.544.1[生物学—昆虫学]