中国平腹小蜂属Anastatus Motschulsky一新种记述(膜翅目:旋小蜂科)  

Description of a New Species of Anastatus Motschulsky(Hymenoptera:Eupelmidae)from China

作　　者：黄增倩 胡红英 康宁 HUANG Zengqian;HU Hongying;KANG Ning(College of Life Science and Technology of Xinjiang University, Xinjiang Key Laboratory of Biological Resources and Genetic Engineering,Urumqi 830046,China)

机构地区：[1]新疆大学生命科学与技术学院,新疆生物资源基因工程重点实验室,乌鲁木齐830046

出　　处：《西北农业学报》2021年第7期1106-1111,共6页Acta Agriculturae Boreali-occidentalis Sinica

基　　金：国家自然科学基金(31672338);国家科技基础条件平台工作重点项目(2005DKA21402)。

摘　　要：记述了采自新疆北部梭梭林平腹小蜂属Anastatus Motschulsky一新种:荒漠平腹小蜂Anastatus desertus Huang&Hu,sp.nov.,其鉴别特征为:体大部分黑褐色,具紫蓝绿色金属光泽;头正面观宽为高的1.21倍,背面观宽为长的1.48倍;触角13节,触式11173,着生位置低于复眼下缘连线;触角索节第三节最长,条形感受器分布在索节第三节至棒节末端,其中端棒节感器最多;中胸盾片中叶前缘微突部分菱形,密布横条状刻纹,长为中胸盾片长的1/3;小盾片狭长,长为宽的3.25倍;前翅短小,不超过腹部第二节背板,末端尖。腹部拱起,长大于中胸,中间较宽两边窄。模式标本保存在新疆大学昆虫标本馆(ICXU),另外,文中还提供了中国已知平腹小蜂属分种检索表。Anastatus desertus Huang&Hu,sp.nov.,which is a new species of Anastatus Motschulsky and was collected from Haloxylon forest in Northern Xinjiang,China,was described in this paper.Its diagnostic characters are:most of body is black brown with a purple blue-green metallic luster;the width of head is 1.21 times of the height in the front view,and the width of head is 1.48 times of the length in the dorsal view;antenna has 13 segments,inserted lower below the level of ventral edge of eyes,11173.The third funicle is the longest,and the strip-shaped sensillum are distributed from the third funicle to the end of clava.The anterior edge of the middle lobe of mesoscutum is rhombus,and is densely engraved with strip-like sculpture;forewing brachypterous with acute tip,not exceeding the second segment of abdominal.Abdomen is arched,longer than mesothorax,wider in the middle and narrower on both sides.The type specimens are preserved in the Insect Collection of Xinjiang University in Urumqi of China(ICXU).This paper provides a key to the species of the genus Anastatus known in China.

关 键 词：小蜂总科 形态分类 荒漠平腹小蜂 检索表 梭梭林 

分 类 号：Q969.54[生物学—昆虫学]