浙江省2017—2022年德国小蠊对5种杀虫剂抗药性监测结果分析

doi:10.11853/j.issn.1003.8280.2024.05.003

摘要/Abstract

摘要： 目的掌握浙江省德国小蠊对5种常用杀虫剂的抗药性水平,为德国小蠊合理用药和科学防制提供依据。方法 2017—2022年,在浙江省11个地市,在不同年份选择不同的监测地区进行德国小蠊现场种群的采集。采用三角烧瓶药膜法测定德国小蠊对高效氯氰菊酯、溴氰菊酯、乙酰甲胺磷、敌敌畏和残杀威的抗药性,采用Probit回归模型分析功能,计算半数击倒时间（KT₅₀）和抗性倍数。结果 2017—2022年,浙江省德国小蠊对拟除虫菊酯类杀虫剂总体抗药性水平较高,2022年金华、2021年绍兴、2018年温州和2018年丽水市高效氯氰菊酯抗性倍数分别为11.49、6.48、16.00和6.87,出现中高度抗药性。2020年衢州、2017年温州、2018年金华和2018年丽水市对溴氰菊酯抗性倍数分别为8.66、10.20、11.66和7.58,出现中高度抗药性。2022年金华、2021年绍兴和2017年温州市对敌敌畏的抗性倍数分别为7.86、7.33和7.05,出现中度抗药性。浙江省德国小蠊对乙酰甲胺磷和残杀威总体抗性水平较低,基本维持在低度抗性或敏感的水平。宁波地区德国小蠊对残杀威抗性从2020年开始由敏感发展为低度抗性；衢州地区德国小蠊对溴氰菊酯抗性从2020年开始发展为中度抗性；与2018年相比,绍兴地区德国小蠊2021年对菊酯类杀虫剂和敌敌畏由敏感发展为中低度抗性。2022年德国小蠊抗药性水平较高的地区为金华市,当地德国小蠊对高效氯氰菊酯为高度抗性,对溴氰菊酯和敌敌畏为中度抗性,抗性倍数分别为8.87和7.86；对残杀威和乙酰甲胺磷抗性水平较低,抗性倍数为2.36和1.16。结论浙江省德国小蠊对拟除虫菊酯类杀虫剂抗性水平较高,对其他种类的杀虫剂也产生了一定程度的抗药性,在防制过程中,需根据德国小蠊的抗药性情况选择合适的杀虫剂。

关键词: 德国小蠊, 抗药性, 杀虫剂, 监测

Abstract: Objective To investigate the resistance levels of Blattella germanica to five commonly used insecticides in Zhejiang Province, China, so as to provide a basis for rational use of insecticides and scientific control of cockroaches. Methods From 2017 to 2022, field population of B. germanica were collected in different surveillance areas of Zhejiang Province in different years. The resistance of B. germanica to beta-cypermethrin, deltamethrin, acephate, dichlorvos, and propoxur was measured by using the residual film method with a conical flask. The median knockdown time and resistance ratio (RR) were calculated using a probit regression model. Results From 2017 to 2022, the overall resistance of B. germanica to pyrethroid insecticides was relatively high in Zhejiang Province. The RR for beta-cypermethrin was 11.49 in Jinhua in 2022, 6.48 in Shaoxing in 2021, 16.00 in Wenzhou in 2018, and 6.87 in Lishui in 2018, indicating medium-to-high resistance levels. The RR for deltamethrin was 8.66 in Quzhou in 2020, 10.20 in Wenzhou in 2017, 11.66 in Jinhua in 2018, and 7.58 in Lishui in 2018, showing medium-to-high resistance levels. The RR for dichlorvos was 7.86 in Jinhua in 2022, 7.33 in Shaoxing in 2021, and 7.05 in Wenzhou in 2017, showing medium resistance levels. In general, B. germanica was sensitive or lowly resistant to acephate and propoxur in Zhejiang Province. B. germanica developed from sensitive to lowly resistant to propoxur in Ningbo since 2020, developed moderately resistant to deltamethrin in Quzhou since 2020, and developed from sensitive to moderately or lowly resistant to both pyrethroids and dichlorvos from 2018 to 2021. In 2022, insecticide resistance levels were higher in Jinhua, with high resistance to beta-cypermethrin, medium resistance to deltamethrin (RR=8.87) and dichlorvos (RR=7.86), and low resistance to propoxur (RR=2.36) and acephate (RR=1.16). Conclusions B. germanica cockroaches in Zhejiang Province are highly resistant to pyrethroid insecticides, with certain resistance to other insecticides. Future control strategies should choose appropriate insecticides according to the resistance of B. germanica.

Key words: Blattella germanica, Resistance, Insecticide, Surveillance

中图分类号:

王金娜, 刘钦梅, 吴瑜燕, 罗明宇, 李天奇, 龚震宇, 孙继民. 浙江省2017—2022年德国小蠊对5种杀虫剂抗药性监测结果分析[J]. 中国媒介生物学及控制杂志, 2024, 35(5): 523-528.

WANG Jin-na, LIU Qin-mei, WU Yu-yan, LUO Ming-yu, LI Tian-qi, GONG Zhen-yu, SUN Ji-min. Resistance of Blattella germanica to five insecticides in Zhejiang Province, China, 2017-2022[J]. Chinese Journal of Vector Biology and Control, 2024, 35(5): 523-528.

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