“…They observed that the highest abundance was at reproductive stage and lowest was at mid tillering stage, respectively. The results obtained during this study, in respect of the insect pests, are in agreement with studies made by Lal (1975), Devi and Raj (1995), Puri et al, (2000), Bhatia and Gupta (2003), Sharma and Rao (2012), Rai et al, (2014) and Debbarma et al, (2017). Firake et al, (2012) assessed the biodiversity of arthropod fauna in brassicaceous ecosystems of Meghalaya during 2010-12.…”