Fecha de publicación: 30/12/2020 Fuente: WIPO "tobacco agriculture" The present invention relates in its broadest aspect to a formulation comprising an extract of a tobacco plant and/or a formulation comprising a compound of Formula I as provided herein, in particular anatabine, and corresponding uses thereof for the reduction of infestation with ectoparasites, in particular insects. Also provided herein are methods for preparing the enriched extracts and/or formulations of the invention and methods for controlling ectoparasites using the extracts and/or formulations provided herein.