两种猎物物种组合对掠食性母幼虫发育的影响Cheilomenes propinqua
Andrey N Ovchinnikov1, Antonina A Ovchinnikova1, Sergey Y Reznik1
1Zoological Institute, Russian Academy of Sciences, Universitetskaya 1, 199034 St. Petersburg, Russia.
Insects
|July 26, 2024
概括
为了进行生物控制,如果虫稀少,母幼虫 (Cheilomenes propinqua) 可以吃谷物的蛋. 然而,这种饮食减少了生存和发育,尽管即使少量虫也显著改善了卵上的幼虫生长.
科学领域:
- 昆虫学 昆虫学是一门学科.
- 昆虫生态学 昆虫生态学
- 生物控制 生物控制
背景情况:
- 昆虫的发展往往受到各种饮食的青.
- 优化大规模养殖掠食性昆虫对于有效的生物控制至关重要.
- 了解食对掠食性母的影响,可以为害虫管理策略提供信息.
研究的目的:
- 研究混合,交替和变化的饮食对掠食性母Cheilomenes propinqua的幼虫发育的影响.
- 为了确定大规模养殖C. propinqua的最佳饮食策略,用于生物控制应用.
- 评估谷物蛋 (Sitotroga cerealella) 作为C. propinqua幼虫的补充或替代食物来源的适用性.
主要方法:
- 研究了C. propinqua的幼虫发育,使用不同组合的高质量 (绿色桃花,Myzus persicae) 和低质量的 (谷物蛋) 食物.
- 实验1涉及混合各种比例的虫和蛋.
- 实验2涉及幼虫从虫饮食切换到蛋饮食.
主要成果:
- 食虫和谷物蛋的混合饮食并没有改善生存率,更快的发育或更大的成年体型,而不是仅食无限制的虫.
- 虽然在有限的饮食中观察到混合食物的一些有益的添加效应,但基于虫的饮食始终产生了优异的结果.
- 即使是微小的虫添加,在主要食谷物蛋时,也显著增强了幼虫的发育.
结论:
- 在必要时,可以在谷物的蛋上养Cheilomenes propinqua幼虫,以取代或补充虫,但这将相应地降低成年前的生存率,发育率和成年人的尺寸.
- 虫仍然是C. propinqua.最佳发展的优质食物来源.
- 这些发现为生物控制计划中的大规模养殖协议提供了实际指导,突出了与替代食品来源相关的权衡.
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