author(s)
Rinki Mani Kalita, Jisna George, Lipika Khataniar, Gitanjali Devi and Badal Bhattacharyya

abstract
This study evaluated ten different media of plant origin and four different media of animal origin for in vitro mass production of Heterorhabditis bacteriophora, Steinernema aciari and Oscheius chongmingensis. Maximum multiplication of all the tested species was observed in the media of plant origin containing green gram and coconut oil. Maximum multiplication of all the tested species was observed in the media of animal origin supplemented with pork waste homogenate.