| 籍兴伟1, 2, 刘彦霞2, 丁天波1, 陈巨莲2, 谭晓玲2*.人工饲料饲养草地螟的发育和繁殖[J].植物保护,2025,51(3):48-55. |
| 人工饲料饲养草地螟的发育和繁殖 |
| Development and reproduction of Loxostege sticticalis fed with artificial diet |
| 投稿时间：2024-11-20 修订日期：2025-02-07 |
| DOI：10.16688/j.zwbh.2024604 |
| 中文关键词: 人工饲料 草地螟 室内饲养 发育繁殖 |
| 英文关键词:artificial diet Loxostege sticticalis lab rearing development and reproduction |
| 基金项目:国家重点研发计划(2022YFD1400600);国家自然科学基金(32172415) |
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| 中文摘要: |
| 草地螟Loxostege sticticalis L.是一种广泛分布在中国三北地区的农业害虫, 具有周期性大规模暴发的特征, 对多种经济作物造成严重危害。研究草地螟室内人工繁育技术, 是揭示害虫种群暴发成灾机制和发展有效防控措施的先决条件。本文探讨了草地螟幼虫的人工饲料制作和饲养方法, 并评估人工饲料和天然饲料对草地螟的生长发育和繁殖的影响。结果显示, 在幼虫存活率、发育历期、蛹重、羽化率、成虫寿命和单雌产卵量等方面人工饲料与传统饲养方法没有显著差异。饲喂人工饲料和灰菜叶的草地螟幼虫存活率分别为91.11%和92.20%, 幼虫发育历期分别为14.28 d和15.08 d, 蛹重分别为31.70 mg和41.90 mg，羽化率分别为79.26%和78.32%, 成虫平均寿命分别为22.33 d和20.83 d，平均单头雌虫产卵量分别为253.50粒和283.33粒。构建的年龄-龄期两性生命表显示，两种饲料喂饲的草地螟的生殖能力无显著差异（P＞0.05），人工饲料饲养的成虫其繁殖峰值高于天然饲料，对草地螟种群增长有促进作用，表明人工饲料可作为草地螟幼虫的有效替代饲养方案, 可以用于室内草地螟大规模饲养。本研究不仅为草地螟的人工饲养提供了新的解决方案, 也为害虫的生物防治和生态管理提供了重要的理论和实践基础。 |
| 英文摘要: |
| Loxostege sticticalis L. is an agricultural pest widely distributed in the Three-Northern regions of China, exhibiting periodic large-scale outbreaks that cause serious damage to various economic crops. Conducting research on artificial breeding techniques for L. sticticalis is essential for elucidating the mechanisms of pest population outbreaks and developing effective control measures. This study examined artificial diet preparation and feeding methods for L. sticticalis larvae and evaluated the effects of artificial and natural diets on larval growth, development and reproduction. The results showed that the larval survival rates for artificial and natural diets were 91.11% and 92.20%, respectively. The developmental duration was 14.28 and 15.08 days, the pupa weight were 31.70 mg and 41.90 mg, and the eclosion rate were 79.26% and 78.32%, respectively. The average lifespan of adults reared on artificial diets was 22.33 days, while that of adults fed on gray cabbage leaves was 20.83 days. The average number of eggs laid per female was 253.50 for the artificial diet and 283.33 for the natural diet. There were no significant differences in the survival rate, developmental duration, adult lifespan, pupal weight, eclosion rate or egg production between L. sticticalis reared on artificial and natural diets. The age-stage two-sex life tables showed that the reproductive capacity of L. sticticalis feeding on artificial diet or natural diet had no significant difference (P>0.05). The reproductive peak of the adult in the artificial diet group was higher than that in the natural diet group，indicating a promoting effect on the population growth of L. sticticalis. So, artificial diet can serve as an effective alternative for larval rearing and can be used for large-scale lab breeding of L. sticticalis. This research provides a practical solution for artificial rearing of L. sticticalis and offers an important theoretical and practical basis for the biological control and ecological management of this pest. |
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