Non specific esterases activities of susceptible and field strains of the cotton leaf worm Spodoptera littoralis (Boisd.) as affected by certain chitin synthesis inhibitors.

M. I. Abdel‐Megeed, M. G. Abbas, A. I. Gadallah, A. H. Ahmed, M. El-Sawy, R. R. Francis, M. A. El-Borollosy, A. M. Hosni