利用光源和寄主卵趋性对夜蛾黑卵蜂的质量筛选和评价

doi:10.16409/j.cnki.2095-039x.2025.01.013

摘要/Abstract

摘要： 为改善连代繁育的夜蛾黑卵蜂质量，本研究通过利用夜蛾黑卵蜂对光源和寄主斜纹夜蛾卵的趋性，分别以光源、寄主卵以及光源和寄主卵共同处理筛选不同扩散距离下的夜蛾黑卵蜂，比较最优引诱源下不同扩撒距离筛选出的成蜂体型大小和对斜纹夜蛾卵的寄生能力。结果表明，100 lx复合光和斜纹夜蛾卵处理对夜蛾黑卵蜂雌蜂、雄蜂的引诱效果最高，分别为91.60%和83.33%。不同扩散距离下的成蜂体型存在显著差异，其中扩散距离100 cm的雌、雄蜂体型均分别显著大于扩散距离为50 cm、30 cm和0 cm的雌、雄蜂，而其与扩散距离80 cm的雌、雄蜂体型差距较小；扩散距离80 cm和100 cm的雌蜂对斜纹夜蛾卵的寄生率均在86.00%以上、子代羽化率也均在65.00%以上，均显著高于其他扩散距离下的雌蜂。扩散距离80 cm和100 cm的雌蜂所育子代雌蜂后足胫节和寄生能力同样高于其他3组。综合比较发现100 lx复合光和斜纹夜蛾卵处理下，扩散距离为80 cm时筛选出的夜蛾黑卵蜂数量多且质量优，研究结果为提高夜蛾黑卵蜂室内扩繁质量和扩繁效率提供理论依据。

关键词: 夜蛾黑卵蜂, 复壮, 筛选, 行为趋性, 个体大小, 寄生能力

Abstract: To improve the quality of mass-reared Telenomus remus, the study evaluated the body size and parasitic ability of T. remus at different dispersal distance from the light source, the eggs of host Spodoptera litura and the combination of light and host eggs under the optimal attraction source. Results indicated that the combination of 100 lx compound light with S. litura eggs exhibited the highest attraction of 91.60% and 83.33% of females and males of T. remus, respectively. Additionally, body size of T. remus adults differed between dispersal distances. The overall body sizes of T. remus females and males with a dispersal distance of 100 cm were significantly larger than those with a dispersal distance of 50 cm, 30 cm and 0 cm, while showed no difference from those with a dispersal distance of 80 cm. The parasitism rates to S. litura eggs and offspring emergence rate of T. remus with a dispersal distance of 80 cm and 100 cm were all above 86.00% and 65.00%, which were significantly higher than those of females with a shorter dispersal distance. The hind tibia and parasitic ability of the offspring adults with a dispersal distance of 80 cm and 100 cm were also higher than the adults with the other three dispersal distances. A comprehensive comparison reveals that the combination of 100 lx compound light with S. litura eggs, along with a dispersal distance of 80 cm, can effectively screen out large quantity and high quality T. remus. The results of this study provide a theoretical basis for improving the quality and efficiency of mass-rearing T. remus.

Key words: Telenomus remus, rejuvenescence, screening, behavioral tendencies, body size, parasitism ability

中图分类号:

S476.3

李靖, 肖艳松, 李宏光, 史子涵, 张忠睿, 朱英, 王玉生, 马凤英, 谭琳. 利用光源和寄主卵趋性对夜蛾黑卵蜂的质量筛选和评价[J]. 中国生物防治学报, 2025, 41(5): 1008-1017.

LI Jing, XIAO Yansong, LI Hongguang, SHI Zihan, ZHANG Zhongrui, ZHU Ying, WANG Yusheng, MA Fengying, TAN Lin. Evaluation of Telenomus remus Quality using Light and Host Egg Preference[J]. Chinese Journal of Biological Control, 2025, 41(5): 1008-1017.

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