ABSTRACT

Plant-based repellents have been used for generations in traditional practice as a personal protection measure against host-seeking mosquitos. One of the major problems of natural repellents is how to establish a standard of its efficacy action, to be reported in the description of the repellents or to be shown on the label that promotes it. Cotton fabrics treated by different repellents prepared using the Pad-dry impregnation system, underwent a field efficacy test in the Province of Alessandria Italy in August 2019. The procedure for running repellents efficacy tests has been reported by a few other studies but based mostly on topically applied repellents. Measurement of textile repellent efficacy requires a standard cage test with a solid protocol to ensure that proper test results are obtained. The proven standard cage test method is the necessary step, for repellent textile efficacy approval and the determination of level of persistence.