Effect of some environmental conditions on activity of homicides

Homicides are used for control of pests. Present work deals with study on effect of different environmental conditions viz temperature and sunlight exposure on activity and effectiveness of Laxman Rekha and A One Brands on cockroaches. Result showed increased insecticidal activity after exposure to heat and sunlight than at room temperature. In both cases samples heated to 100°C showed effective insecticidal activity and caused absolute mortality of cockroaches (Periplanata americana) within short period.