Aprehend® is a Biopesticide that contains a natural fungus called "Beauveria bassiana" and is highly effective against bed bugs. Solving the problem of chemically resistant strains of bed bugs, aprehend has no known resistance. Revolutionizing our IPM program for bed bugs, this environmentally safe and highly effective tool has become a standard. Applied as a preventative Aprehend® has shown to protect your home or business through quarterly applications. Applied as a post heat treatment or early infestation residual, it has proven to eliminate any survivors.