Efficacy of Metarhizium anisopliae CQMa421 bait against cockroaches: A laboratory and field study

doi:10.11853/j.issn.1003.8280.2021.05.025

Chines Journal of Vector Biology and Control ›› 2021, Vol. 32 ›› Issue (5): 633-636.DOI: 10.11853/j.issn.1003.8280.2021.05.025

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Efficacy of Metarhizium anisopliae CQMa421 bait against cockroaches: A laboratory and field study

HE Ya-ming¹, JI Heng-qing¹, PENG Guo-xiong², XIAO Han-sen¹, TU Tao-tian¹, ZHANG Ying¹, YU Zhan³, LIU Zong-ling⁴, WANG Xiu-juan⁵, LI Ming⁶

1. Department of Disinfection and Vector Control, Chongqing Center for Disease Control and Prevention, Chongqing 400042, China;
2. Chongqing University Genetic Engineering Research Center/Chongqing Engineering Research Center for Fungal Insecticides, Chongqing 400030, China;
3. Chongqing Chindoff Co., Ltd, Chongqing 400014, China;
4. Chongqing Liming Pest Control Co., Ltd, Chongqing 400043, China;
5. Chongqing Huayun Pest Control Institute of Technology Co., Ltd, Chongqing 400011, China;
6. Chongqing Jingda Environmental Protection Technique Service Co., Ltd, Chongqing 400013, China

Received:2021-05-27 Online:2021-10-20 Published:2021-10-20
Supported by:
Supported by the Joint Medical Research Project of Chongqing Municipal Health Commission and Chongqing Science and Technology Commission (No. 2018ZDXM036)

金龟子绿僵菌CQMa421杀蟑饵剂药效测定与现场应用研究

何亚明¹, 季恒青¹, 彭国雄², 肖汉森¹, 涂涛田¹, 张应¹, 余湛³, 刘宗玲⁴, 王秀娟⁵, 李明⁶

1. 重庆市疾病预防控制中心消毒与媒介生物控制所, 重庆 400042;
2. 重庆大学基因工程研究中心/重庆市杀虫真菌农药工程技术研究中心, 重庆 400030;
3. 重庆清道夫环保服务有限公司, 重庆 400014;
4. 重庆市利铭有害生物防制有限公司, 重庆 400043;
5. 重庆华运虫害防制技术研究所有限责任公司, 重庆 400011;
6. 重庆竟达环保技术服务有限公司, 重庆 400013

通讯作者: 季恒青,E-mail:184508175@qq.com
作者简介:何亚明,男,硕士,副主任医师,主要从事消毒与媒介生物控制研究工作,E-mail:409762815@qq.com
基金资助:
重庆市科卫联合医学科研项目（2018ZDXM036）

Abstract

Abstract: Objective To evaluate the effects of the Metarhizium anisopliae CQMa421 bait in controlling Blattella germanica in both laboratory and field settings, and to provide a reference for the application of fungal insecticides in the control of hygiene pests. Methods The M. anisopliae CQMa421 baits at different concentrations were prepared, and their effects on the population density of B. germanica were measured in the laboratory and field settings. SPSS 25.0 software was used to analyze mortality, median lethal time (LT₅₀), median lethal concentration (LC₅₀), and 90% lethal concentration (LC₉₀) to evaluate the cockroach-killing effects of the M. anisopliae CQMa421 baits. The chi-square test was used to compare mortality between groups. Results The laboratory test showed that after feeding B. germanica for 12 days with the M. anisopliae CQMa421 bait at 1×10⁸ spores/g, LT₅₀was (6.85±0.24) days. In the field test, after placing the M. anisopliae CQMa421 bait at 1×10⁸ spores/g (1 box/per 2.5 m²) for 30 days, the relative density of B. germanica decreased by 93.22%. Conclusion The M. anisopliae CQMa421 bait at 1×10⁸ spores/g can effectively control the population density of B. germanica.

Key words: Blattella germanica, Metarhizium anisopliae, Bait, Efficacy

摘要： 目的测试金龟子绿僵菌CQMa421饵剂室内和现场防治德国小蠊效果，为真菌杀虫剂在防治卫生害虫上的应用提供参考。方法配制不同含量的金龟子绿僵菌CQMa421饵剂，分别在实验室和现场环境研究其对德国小蠊种群数量的影响，采用SPSS 25.0软件对死亡率、半数致死时间（LT₅₀）、半数致死浓度（LC₅₀）和90%致死浓度（LC₉₀）进行分析，评价金龟子绿僵菌CQMa421饵剂杀蟑效果；采用χ²检验分析不同组别间死亡率的差异。结果室内实验结果表明，1×10⁸孢子/g金龟子绿僵菌CQMa421饵剂喂食德国小蠊后12 d，其LT₅₀均值为（6.85±0.24） d；现场实验中，采用每2.5 m²放置1盒1×10⁸孢子/g的金龟子绿僵菌CQMa421饵剂，药剂投放30 d后，相对密度下降率为93.22%。结论 1×10⁸孢子/g的金龟子绿僵菌CQMa421饵剂可有效控制德国小蠊种群密度。

关键词: 德国小蠊, 绿僵菌, 饵剂, 药效

CLC Number:

HE Ya-ming, JI Heng-qing, PENG Guo-xiong, XIAO Han-sen, TU Tao-tian, ZHANG Ying, YU Zhan, LIU Zong-ling, WANG Xiu-juan, LI Ming. Efficacy of Metarhizium anisopliae CQMa421 bait against cockroaches: A laboratory and field study[J]. Chines Journal of Vector Biology and Control, 2021, 32(5): 633-636.

何亚明, 季恒青, 彭国雄, 肖汉森, 涂涛田, 张应, 余湛, 刘宗玲, 王秀娟, 李明. 金龟子绿僵菌CQMa421杀蟑饵剂药效测定与现场应用研究[J]. 中国媒介生物学及控制杂志, 2021, 32(5): 633-636.

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Efficacy of Metarhizium anisopliae CQMa421 bait against cockroaches: A laboratory and field study

金龟子绿僵菌CQMa421杀蟑饵剂药效测定与现场应用研究

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