author(s)
Monika and Kamin Alexander

abstract
Four different location of Prayagraj, (Abadalpur, Kotwa, Naini, Ghurpur), Uttar Pradesh (INDIA), is taken to observed the insect pest of family Brassicaceae crop i;e Cabbage and Mustard. 1. Brevicoryne brassicae. 2. Trichoplusia ni 3. Plutella xyllostella is observed in cabbage crop and Phyllotreta spp. are observed in mustard crop. Severity level of all the insect pest are different at each location. This is due to high level of interaction between food availability and abundance of natural resources. Type of soil and temperature is also effect the severity of insect pest.