The purpose of this video is to provide detailed instructions on the impregnation of Whatman filter papers with insecticides for use in WHO tube test to determine insecticide resistance for flying insects such as sandflies and mosquitoes : https://youtu.be/TmR-oXgogZc

The Standard Operating Procedure (SOP) for paper impregnation can be download at : Impregnation filter papers SOP sandfly

The excel sheet file, as described in the video tutorial, for preparing stock solutions for the impregnation of papers can be download at : Calculation sheet