甲腹茧蜂属一新种记述  

Notes on a new specie of the genus Chelonus

作　　者：何建平[1] 

机构地区：[1]陕西师范大学生命科学学院,陕西西安710062

出　　处：《西北大学学报（自然科学版）》2002年第3期313-315,共3页Journal of Northwest University（Natural Science Edition）

基　　金：国家自然科学基金资助项目 (39870 119)

摘　　要：对野外采集的膜翅目甲腹茧蜂属 Chelonus Panzer1 80 6进行分类鉴定时 ,发现一新种 :留坝甲腹茧蜂 Chelonusliubaensis He sp.nov,新种与环甲腹茧蜂 Ch.annulatus Nees1 81 3相似 ,但有以下不同 :新种头于眼后圆形收缩 ,颜面宽为高的 1 .5倍 ;并胸腹节无横脊 ;径脉第 3段为第 2段的 4倍 ;胫节距略短于基跗节长的一半 ;产卵器长而直 ,伸出腹腔外。模式标本保存在陕西师范大学生命科学学院。A new species of the genus Chelonus Panzer 1806 from Shaanxi Province is studied:the Chelonus liubaensis sp. nov.The type specimens are kept in college of life science, Shaanxi Normal University. Chelonus liubaensis sp . nov. (fig.1) is closely allied to that of Ch.annulatus Nees 1813,but can be distinguished from the latter by the following features: head rounded constricted behind eye, face 1.5 times broader than higher; propodeum lacking a transverse keel;r 3 4 times longer than r 2;length of hind tibial spurs shorter than 0.5 times hind basitarsus; ovipositor long and straight,exserted from carapace. Type material: Holotype:♀,Liuba ,Shaanxi,23-Ⅷ-1990,He Jianping. Paratypys: 4♀♀,5♂♂ Liuba,Shaanxi,23-Ⅷ-1990,He Jianping and She Jianjun.2♀♀,Liuba,Shaanxi,22-Ⅷ-1990,He Jianping and She Jianjun.

关 键 词：膜翅目 茧蜂科 甲腹茧蜂属 新种 分类鉴定 形态结构 径脉 胫节距 

分 类 号：Q969.54[生物学—昆虫学]