Seasonal Occurrence of Major Insect Pests of Cotton in India

Insect pest

North

Central
South
Jassids July - Sep July - Nov Nov - Jan
Aphids October July - Feb Nov - Jan
Thrips July Sep - Oct Aug - Sep
Whiteflies July Sep - Oct June - Aug & Dec - Jan
Spotted & Spiny bollworms July - Sep Sep - Jan Nov - Jan
American bollworm Aug - Oct Aug - Oct Nov - Dec
Pink bollworm Aug - Nov Oct - Nov Dec - April
Stem weevil -- -- Aug - Sep
Semi - looper Aug - Sep Aug - Sep --
Leaf roller -- Aug - Sep --
Red cotton bug -- Nov - March --
Dusky cotton bug -- Dec - April --