Efficacy of the Microbial Larvicide VectoMax®G against Anopheles gambiae s.l. and Culex spp. Larvae under Laboratory and Open Field Trial Experiments in the City of Yaoundé, Cameroon

K. Edmond, Foko Dadji Gisele Aurelie, Sonhafouo-Chiana Nadège, Bamou Roland, Djamouko-Djonkam Landre, Talipouo Abdou, Delogko Serges, N. Flobert, A. Parfait, Wondji Charles Sinclair, Antonio-Nkondjio Christophe
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引用次数: 2

Abstract

Background: With the rapid expansion of insecticide resistance limiting the effectiveness of insecticide-based vector control interventions, integrated control strategies associating larviciding could be appropriate to improve current control efforts. The present experimental study assesses laboratory and field efficacy of the larvicide VectoMaxG on Anopheline and Culicine larval stages in Yaoundé. Methods: The effect of the larvicide VectoMaxG, a combination of Bacillus thuringiensis var. israelensis (Bti) and Bacillus sphaericus (Bs), on larval development was assessed during both laboratory and open field trial experiments. Laboratory experiments permitted the evaluation of five different concentrations with four replicates/experiments. Laboratory experiments were conducted with Anopheles coluzzii “Ngousso” and Culex quinquefasciatus laboratory strains. Open field trials were conducted using sixteen plastic containers with a diameter of 0.31 m buried in an array of four rows with 4 containers each. Distance between rows and between containers in a row was 1 meter. This experiment permitted to test the How to cite this paper: Edmond, K., Aurelie, F.D.G., Nadège, S.-C., Roland, B., Landre, D.-D., Abdou, T., Serges, D., Flobert, N., Parfait, A.-A., Sinclair, W.C. and Christophe, A.-N. (2022) Efficacy of the Microbial Larvicide VectoMax®G against Anopheles gambiae s.l. and Culex spp. Larvae under Laboratory and Open Field Trial Experiments in the City of Yaoundé, Cameroon. Advances in Entomology, 10, 34-51. https://doi.org/10.4236/ae.2022.101003 Received: October 15, 2021 Accepted: November 27, 2021 Published: November 30, 2021
微生物杀蚊剂VectoMax®G对冈比亚按蚊和库蚊幼虫的室内和露天试验研究
背景:随着杀虫剂耐药性的迅速扩大限制了基于杀虫剂的媒介控制干预措施的有效性,结合杀幼虫的综合控制策略可能是适当的,以改善目前的控制工作。本实验研究评估了杀幼虫剂VectoMaxG对云南省按蚊和烹饪幼虫期的室内和现场效果。方法:采用室内试验和露天试验的方法,评价苏云金芽孢杆菌(Bacillus thuringiensis var. israelensis, Bti)和球孢芽孢杆菌(Bacillus sphaericus, Bs)联合配制的杀幼虫剂VectoMaxG对幼虫发育的影响。实验室实验允许通过四次重复/实验对五种不同浓度进行评估。用科鲁兹按蚊“恩古索”和致倦库蚊实验室菌株进行实验。野外试验采用16个直径为0.31 m的塑料容器,每排埋4个,共4排。行与行之间和一排容器之间的距离为1米。这个实验允许测试如何引用这篇论文:Edmond, K, Aurelie, f.d.g., nad, s . c。,罗兰,B,兰德,d。, Abdou, T., Serges, D., Flobert, N., Parfait, a .。辛克莱,W.C.和克里斯托夫,a.n。(2022)微生物杀蚊剂VectoMax®G对冈比亚按蚊和库蚊幼虫的室内和露天试验。昆虫学进展,2010,34 -51。https://doi.org/10.4236/ae.2022.101003收稿日期:2021年10月15日接收日期:2021年11月27日发布日期:2021年11月30日
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