吡虫啉和毒死蜱对德国小蠊的毒性研究

Q2 Veterinary
M. Baniardalani, A. Rahimian, A. Saghafipour, H. Basseri, Majid Kababian, J. Nejati
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引用次数: 1

摘要

背景与目的:德国蟑螂作为某些传染病的机械媒介和对人类环境的适应性物种,可以将细菌、病毒和真菌等病原体传播给人类。本研究旨在测定吡虫啉和毒死蜱对德国蟑螂的毒性。材料与方法:采用接触法和诱饵法,以德国蟑螂末龄若虫为试材,测定其对吡虫啉和毒死蜱杀虫剂的敏感性。在生物测定(罐子试验)中,将若虫从主要群体中分离出来,并暴露于杀虫剂中30分钟。在恢复时间后24小时记录死亡率。在生物测定(诱饵)中,在暴露于毒饵后24-96小时,记录死亡率,并在SPSS软件(IBM,Chicago,USA)中进行回归分析以分析数据。结果:吡虫啉和毒死蜱的致死量分别为9.5 mg/m2和39.78 mg/m2。吡虫啉和毒死蜱的LD50分别为2.66和9.92 mg/m2。结果表明,最高浓度的吡虫啉(45%)在暴露24小时后可导致最高的死亡率(95%)。在随访期间,样本的死亡率存在显著差异。此外,24小时后浓度为16%的毒死蜱诱饵的死亡率最高(95%)。结论:吡虫啉毒饵在接触杀虫剂后48小时内的死亡率最高。因此,研究结果表明吡虫啉对蟑螂有显著的防治效果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Toxicity of imidacloprid and chlorpyrifos against German cockroaches Blattella germanica
Background and Aim: As a mechanical vector of some communicable diseases and a self-adaptive species to human environments, the German cockroach can transmit pathogens, such as bacteria, viruses, and fungi, to human beings. This study was conducted to determine the toxicity of imidacloprid and chlorpyrifos against German cockroaches. Materials and Methods: In this experimental study, the last instar German cockroach nymphs were used to test their sensitivity to imidacloprid and chlorpyrifos insecticides by the contact and bait methods. In bioassay (jar test), the nymphs were isolated from the main colony and were exposed to the insecticides for 30 min. The mortality rate was recorded 24 h after the recovery time. In bioassay (bait), 24-96 h after exposure to the poisonous bait, the mortality rate was recorded and regression analysis was run to analyze the data in the SPSS software (IBM, Chicago, USA). Results: The lethal doses (LD) of imidacloprid and chlorpyrifos were 9.5 mg/m2 and 39.78 mg/m2, respectively. The LD50 for imidacloprid and chlorpyrifos were 2.66 and 9.92 mg/m2, respectively. Results revealed that the highest concentration of imidacloprid (45%) could cause the highest mortality rate (95%) 24 h after exposure. There is a significant difference in the mortality of the samples during the follow-up period. Moreover, the chlorpyrifos smeared bait, with a concentration of 16% after 24 h, had the highest mortality rate (95%). Conclusion: The highest mortality rate occurred in the ingestion of imidacloprid smeared bait within the first 48 h after being exposed to the insecticide. Therefore, the results show that imidacloprid can prove significantly effective in controlling cockroaches.
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来源期刊
International Journal of One Health
International Journal of One Health Veterinary-Veterinary (all)
CiteScore
2.10
自引率
0.00%
发文量
13
审稿时长
15 weeks
期刊介绍: International Journal of One Health publishes high quality and novelty papers focusing on One Health. Review articles are highly appreciated. All articles published by International Journal of One Health are made freely and permanently accessible online. All articles to International Journal of One Health are posted online immediately as they are ready for publication.
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