SUSCEPTIBILITY OF TWO STRAINS OF BEDBUGS TO DELTAMETHRIN AND LABORATORY EVALUATION OF PESGUARD FG161 EFFICACY AGAINST CIMEX LECTULARIUS

TẠP CHÍ PHÒNG CHỐNG BỆNH SỐT RÉT VÀ CÁC BỆNH KÝ SINH TRÙNG Pub Date : 2023-07-03 DOI:10.59253/tcpcsr.v132i6.190

Nguyen Thi Thu Trang, Lê Trung Kiên, Hoang Dinh Canh, Bùi Thị Duyên

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Abstract

The aim of the study conducted from April to December 2022 was to assess theeffectiveness of Pesguard FG161, a commercial insecticide formulation from SumitomoChemical Co., Ltd, against field bed bugs. This emulsifiable concentrate (EC) formulationcombines two active ingredients, D-Tetramethrin and Cyphenothrin, and is recommendedfor indoor residual spraying. Populations of the bed bug Cimex lectularius collected inTrung Van commune, Nam Tu Liem district (Trung Van strain), Ha Noi, and in ThinhLang commune, Hoa Binh district, Hoa Binh province (Thinh Lang strain) were evaluatedusing the surface contact method. Exposure time was 4 hours, and the mortality of bedbugs in contact with the treated panel was recorded on a daily basis for up to 4 days, andthe residual bioefficacy of the product was evaluated after one day, seven days, and thirtydays of spraying. According to the study, Pesguard FG161 can effectively control fieldbed bugs, as evidenced by its high success rate in killing them (mortality were 100%)

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两株臭虫对溴氰菊酯的敏感性及杀虫剂fg161的室内药效评价

该研究于2022年4月至12月进行，目的是评估Pesguard FG161对田间臭虫的有效性，Pesguard FG161是住友化学有限公司的一种商业杀虫剂配方。这种乳化浓缩物(EC)配方结合了两种活性成分，D-Tetramethrin和cyphenthrin，推荐用于室内残留喷洒。采用表面接触法对河内市南图连区inTrung Van公社(Trung Van品系)和和平省和平县ThinhLang公社(thinlang品系)采集的臭虫种群进行了评价。暴露时间为4小时，每天记录与处理板接触的臭虫死亡率，最长可达4天，并在喷洒1天、7天和30天后评估产品的残留生物功效。根据研究，Pesguard FG161可以有效控制田间床虫，其杀灭成功率高(死亡率为100%)。

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