侧沟茧蜂属二新种记述(膜翅目:茧蜂科:小腹茧蜂亚科)  

Two New Species of Microplitis Foerster (Hymenoptera: Braconidae: Microgastrinae) 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3期204-208,共5页昆虫分类学报（英文）

基　　金：山东省自然基金资助项目

摘　　要：记述采自吉林省、辽宁省、新疆区和江苏省的侧沟茧蜂属 Microplitis Foerster 2新种 :北方侧沟茧蜂 Microplitisborealis,sp.nov.和江苏侧沟茧蜂 Microplitisjiang-suensis,sp.nov.。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 two new species of the genus Microplitis Foerster(Hymenoptera: Braconidae: Microgastrinae) collected from Jilin, Liaoning, Xinjiang and Jiangsu provinces in China. All the type specimens are deposited in the Insect Collection of Zhejiang University. 1. Microplitis borealis Xu et He, sp. nov. (Figs.1～4) This species is closely related to M. deprimator Fabricius, but differs from the latter by the combination of the following features: 1) 1 R1 4/5 as long as stigma; 2) Stigma fully blackish, without pale basal spot; 3) Scutellum evenly rugose, dull; 4) Fore wing with a dark spot beneath stigma; 5) Hind tarsus blackish. Holotype ♂, Shenyang (41.8°N, 123.3°E), Liaoning province, Ⅴ～Ⅵ-1994, collected by Lou Juxian, No. 947503. Paratypes: 1♂, same data as holotype, No. 947680; 2♂♂, Dalian (34.6°N, 117.2°E), Liaoning province, 16-Ⅷ-1994, collected by Lou Juxian, Nos. 952321, 953683; 1♂, Changchun (43.9°N, 125.2°E), Jilin province, 23-Ⅷ-1992, collected by Lou Juxian, No. 951023; 1♂, Hongjialike (43.1°N, 84.1°E), Xinjiang province, 10-Ⅶ-1991, collected by He Junhua, No. 914074. 2. Microplitis jiangsuensis Xu et He, sp. nov. (Figs.5～8) This species is closely related to M. borealis Xu et He, sp. nov., but differs from the latter by the combination of the following features: 1) Stigma dark with a yellow basal spot at its proximal third; 2) Areolet similarly triangle; 3) Ocelli small, OD shorter than APOL, POL as long as OOL; 4) Fore wings hyaline, without a dark spot beneath stigma; 5) Tergite 2 with a distinct medial field. Holotype ♂, Nantong (32°N, 120.8°E), Jiangsu province, 1982, collected by Zhang Jianming, No. 820239.

关 键 词：膜翅目 茧蜂科 小腹茧蜂亚科 侧沟茧蜂属 新种 

分 类 号：Q969.54[生物学—昆虫学]