西伯利亚西部地区捕食性臭虫黄斑足虱的繁殖与利用实践经验

I. Andreeva, V. Tsvetkova, N. I. Agrikolyanskaya, V. Maslennikova, E. I. Shatalova, A. A. Zenkova
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摘要

黄斑波disus maculventris是一种多食性食虫,有望用于西伯利亚西部科罗拉多马铃薯甲虫对马铃薯的生物保护措施。为降低豆豆运输和大批量生产的经济成本,应根据本地区的实际情况,改进和调整其养殖和利用技术。在实验条件下,揭示了不同种类的猎物(大蜡蛾、小菜蛾、黄粉虫和野豌豆蚜的幼虫)对维持捕食性昆虫子宫培养的高指标的有效性。混合摄食后,幼虫成活率高,下一代成虫数平均为初始成虫数的78.3%,雌虫和雄虫体重分别增加到74.8和56.0 mg,产卵量达到539.6个/雌。在实验室条件下,根据食虫者的发育阶段和害虫幼虫的年龄,捕食者的贪婪程度平均在1.8到8.4只科罗拉多马铃薯甲虫之间变化。对Yuna品种马铃薯进行了为期3年(2018-2020年)的田间试验,结果表明,食虫剂对科罗拉多马铃薯甲虫的生物有效性为66.2 ~ 85.4%,与生物制剂Bitoxibacillin联合使用可提高至98.5%。2020年,在捕食者:猎物- 1:5 .0-6.5的比例下,食虫虫对不同品种马铃薯的释放效率为62.9-75.0%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Practical experience of breeding and use of predatory bug Podisus maculiventris in Western Siberia
The predatory bug Podisus maculiventris is a multi-eating entomophages, promising for use in measures for the biological protection of potatoes from the Colorado potato beetle in Western Siberia. In order to reduce the economic costs of transportation and mass production of podizus, it is advisable to improve and adapt the technology of its breeding and use to the conditions of the region. Under laboratory conditions, the effectiveness of using different species of prey (larvae of the greater wax moth, diamondback moth, yellow mealworm beetle and vetch aphid) to maintain high indicators of the uterine culture of the predatory bug was revealed. With a mixed diet, a high survival rate of entomophage larvae was observed, the number of images of the next generation averaged 78.3% of the initial number, the weight of females and males increased to 74.8 and 56.0 mg, respectively, and fertility – 539.6 eggs per 1 female. In laboratory conditions, the voracity of the predator varied on average from 1.8 to 8.4 individuals of the Colorado potato beetle, depending on the stage of development of the entomophage and the age of the pest larvae. As a result of three-year field trials (2018-2020) on potatoes of the Yuna variety, the biological effectiveness of the entomophage against the Colorado potato beetle ranged from 66.2 to 85.4%, and with the combined use of the predatory bug and the biological preparation Bitoxibacillin increased to 98.5%. In 2020, the efficiency of the entomophages at the release in the ratio predator : prey – 1 : 5.0-6.5 on different varieties of potatoes was 62.9-75.0%.
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