Abstract: An ecofriendly alternative to chemical pesticides is biopesticides, which encompasses a broad array of microbial pesticides, biochemicals derived from micro-organisms and other natural sources, and processes involving the genetic incorporation of DNA into agricultural commodities that confer protection against pest damage.The field studies were carried out for effectiveness of insecticides and biopesticides against gundhi bug on rice in rewa region. Study of insect pest complex was done from 2006-07 to 2007- 08. The observations were made regarding the grain yield monocrotophos was the most efficient insecticide where as among biopescides wanis was the best.