Larvicidal properties of water bug Diplonychus indicus Venkatesan & Rao and its use in mosquito control.

Males, females and egg carrying males of water bug D. indicus were collected at different sites from Chetpet pond, Madras, India. The bugs showed differences in their predatory efficiencies in relation to density, size and type of prey. The bug showed a typical predatory response in relation to hunger level.