Seasonal History and Chemical Control of Gall Forming Insect Betousa stylophora Swinh. (Lepidoptera: Thyrididae) on Emblica Officinalis Gae.

Studies on the detailed seasonal history and chemical control of twig gall forming black caterpillar Betousa stylophora Swinh. revealed that the moth laid the eggs on leaves of Emblica officinalis in the month of June. The pest commenced its activity from the month of June and completed one generation in a year in Satpura Plateau of Madhya Pradesh. Phorate (Thimet) 10 G followed by Carbofuran (Furadon) 3 G @ 10 gm per plant (3 years old) was found to be most effective by using both prophylactic and curative measures against this pest for tbe protection of E. officinalis plants in agroforestry models.