热带最北部和赤道地区食肉动物对吡虫啉抗性的健身成本

IF 1.7 3区 农林科学 Q2 ENTOMOLOGY
Jin-Jia Yu, Wen-Bin Feng, Wan Fatma Zuharah, Kok-Boon Neoh
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引用次数: 0

摘要

生物的生活史特征和种群数量可能会受到与杀虫剂抗性相关的适应成本的影响。在这项研究中,我们考察了台湾(高纬度地区;北纬22°-25°)和马来西亚(低纬度地区;北纬3°-5°)野外种群中常见的食肉动物Paederus fuscipes(柯蒂斯)的杀虫剂抗性和生活史特征。结果表明,与台湾种群相比,马来西亚种群对吡虫啉的抗性更高。与台湾种群相比,马来西亚种群对吡虫啉抗性的适应性成本导致繁殖力降低、成虫产卵前期延长、卵长缩短和蛹重减轻。不过,与台湾种群相比,马来西亚种群的未成熟发育时间相对较短。台湾种群的寿命明显短于马来西亚种群。成年种群的繁殖力与寿命成反比增长。马来西亚种群的内在增长率明显低于台湾种群。这项区域尺度的研究让我们深入了解了因适应成本而导致的福寿螺生活史特征和种群增长的差异。然而,值得注意的是,尽管在台湾种群中观察到较高的内在增长率,但除其他因素外,食人行为可能是调节种群数量的一种依赖密度的补偿机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Fitness cost of imidacloprid resistance in generalist predator from northernmost and equatorial range in the tropics

Life-history traits and population size of organisms may be affected by fitness costs associated with insecticide resistance. In this study, we examined the insecticide resistance and life-history traits of Paederus fuscipes (Curtis), a common generalist predator, in field populations from Taiwan (high-latitude region; 22° N–25° N) and Malaysia (low-latitude region; 3° N–5° N). The results showed that Malaysian populations had higher imidacloprid resistance compared with Taiwanese populations. The fitness costs associated with imidacloprid resistance resulted in reduced fecundity, longer adult pre-oviposition period, shorter egg length, and lighter pupal weight in the Malaysian populations, in contrast to the Taiwanese populations. However, the immature developmental time of the Malaysian populations was relatively short compared with the Taiwanese populations. The longevity of the Taiwanese populations was significantly shorter compared with the Malaysian populations. The fecundity of the adult populations increased in inverse proportion to longevity. The intrinsic rate of increase was significantly lower in the Malaysian populations compared with the Taiwanese populations. This regional-scale study provided insights into the differences in life-history traits and population growth of P. fuscipes as a result of fitness cost. However, it is worth noting that despite the high intrinsic rate of increase observed in the Taiwanese populations, among other factors, cannibalism may serve as a density-dependent compensatory mechanism in regulating population size.

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来源期刊
CiteScore
3.40
自引率
5.30%
发文量
132
审稿时长
6 months
期刊介绍: The Journal of Applied Entomology publishes original articles on current research in applied entomology, including mites and spiders in terrestrial ecosystems. Submit your next manuscript for rapid publication: the average time is currently 6 months from submission to publication. With Journal of Applied Entomology''s dynamic article-by-article publication process, Early View, fully peer-reviewed and type-set articles are published online as soon as they complete, without waiting for full issue compilation.
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