桑螟绒茧蜂的生物学特性  

Biological characteristics of Apanteles heterusiae Wilkinson

作　　者：余虹[1] 周勤[2] 宋毓[1] 

机构地区：[1]浙江大学应用昆虫学研究所,浙江杭州310029 [2]浙江省农业厅,浙江杭州310004

出　　处：《浙江大学学报（农业与生命科学版）》2004年第5期557-560,共4页Journal of Zhejiang University:Agriculture and Life Sciences

基　　金：浙江省教委和省农业厅资助项目(19990035).

摘　　要：桑螟绒茧蜂(ApantelesheterusiaeWilkinson)是桑螟幼虫的重要寄生蜂之一.本文报道了该蜂的自然寄生率、羽化、交配、产卵、繁殖、发育等生物学特性.根据2000～2002年的调查研究,该蜂自然寄生率平均为16.8%.在自然条件下,成蜂的寿命为1～3d,平均2.2d;羽化后喂饲15%的蜜糖水,寿命则为7～18d,平均14.2d.此寄生蜂单寄生于桑螟1～2龄幼虫,在杭州实验室条件下饲养繁殖,1年可发生6代.其发育历期受温度的影响,在24.0℃和25.3℃时,从卵发育至成虫的平均历期分别为15.3d和13.5d.Apanteles heterusiae Wilkinson is a major larval parasitoid of Diaphania pyloalis Walker in Zhejiang, China. In this paper, the biological characteristics of A. heterusiae are reported. Under the natural conditions of Zhejiang, its average rate of parasitism was about 16.8% from 2000 to 2002. The lifespan of adults was 1-3 d ,with an average of 2.2 d . Fed with 15% honey, the lifespan of adults was 7-18 d, with an average of 14.2 d . It parasitized the 1st to 2nd instar larvae of D. pyloalis. Under laboratory conditions of Hangzhou, it has six generations within a year. The development duration of A. heterusiae Wilkinson varied with temperature. At 24.0 ℃ and 25.3 ℃, the mean development periods from egg to adult were 15.3 d and 13.5 d, respectively.

关 键 词：桑螟绒茧蜂 桑螟 寄生蜂 生物学特性 

分 类 号：S476[农业科学—农业昆虫与害虫防治]