中国生物防治学报2026，Vol.42Issue(1)：152-157,6.DOI:10.16409/j.cnki.2095-039x.2025.09.018
国槐尺蠖寄生蜂带纹长距姬小蜂(膜翅目:姬小蜂科)生物学习性
Biological Characteristics of Parasitic Wasp Euplectrus cinctiventris Ferrière(Hymenoptera:Eulophidae)on Semiothisa cinerearia
摘要
Abstract
Euplectrus cinctiventris Ferrière is an important parasitic natural enemy of Semiothisa cmerearia.Investigation of the biological characteristics of E.cinctiventris is of a great significance for understanding its ecological function and application in pest control.This study systematically investigated the biological traits of E.cinctiventris,including morphological features,life history,and host selection,using microscopic photography and artificial rearing methods.The results showed that E.cinctiventris has a typical ectoparasitic life history.Under the condition of feeding 30％honey water at 26 ℃,the lifespan of the female wasps reached 33.5 days.The wasps mainly parasitized the 2nd—4th instar larvae of S.cmerearia,with eggs laid on the dorsal surface of the 1st—4th abdominal segments of the host.The fecundity and offspring sex ratio of the wasp varied according to the host size.The female-to-male sex ratios of offspring reared on the 2nd—4th instar host larvae were 2.1∶1.5,4.6∶2.5,and 8.9∶1.8,respectively.A positive correlation was observed between the instar of parasitized hosts and both the number of eggs laid by the wasps and the proportion of female offspring.The developmental threshold temperatures for the egg,larva,and pupa were 9.96,12.45,and 18.26 ℃,respectively,with effective accumulated temperatures of 16.04,83.74,and 55.73 day-degrees,respectively.This results provide a valuable theoretical support and practical guidance for utilizing E.cinctiventris in biological control.关键词
带纹长距姬小蜂/生物学习性/生活史Key words
Euplectrus cinctiventris/biological characteristics/life history分类
农业科技引用本文复制引用
胡尊瑞,高乐,李云龙,展昭凤,段彦丽,汤久杨,张海娇,吴晓云,姜嫄..国槐尺蠖寄生蜂带纹长距姬小蜂(膜翅目:姬小蜂科)生物学习性[J].中国生物防治学报,2026,42(1):152-157,6.基金项目
国家级教师创新团队(20250903) （20250903）
北京农业职业学院科研项目(XY-XK-24-01,KY-2024011H) （XY-XK-24-01,KY-2024011H）
