Desert locust found tn two phases 1.Solitary phase : -Nymph colour accorving to surrounding vegetation. -Adult remain greenish grey throughout their life. 2. Gregarious phase : -Nymph colour yellow or
Gall fly (Pachydiplosis oryzae) is very harmful to rice crop. It damages whole crop of rice. Farmers of Tamar block of Ranchi district in Jharkhand use parso or persu (Cleistanthus