Department of Entomology, Agricultural College, Bapatla-522 101, Andhra Pradesh, India
Cotton Section, Regional Agricultural Research Station, Lam, Guntur-522 034, Andhra Pradesh, India
*E mail: gmvprasadarao@gmail.com
**Part of MSc (Ag.) thesis submitted by the first author to Acharya N G Ranga Agricultural University, Hyderabad.
