Laboratory Evaluation of Toxicity of Insecticide Formulations from Different Classes against American Cockroach (Dictyoptera: Blattidae)Ruhma Syed, Farkhanda Manzoor, Rooma Adalat, Abida Abdul-Sattar, Azka SyedJournal of arthropod-borne diseases2014BACKGROUND The present study was designed to investigate the insecticidal efficacy of four different classes of insecticides: pyrethroids, organophosphates, phenyl-pyrazoles and neo-nicotenoids. One… (More)