Abstract: A systematic survey on earthworm species diversity from Dakshina Kannada district, Karnataka state , India, has been conducted for the first time between January 2007 to December 2008. The study constitute mainly from Mangalore, Bantwal, Belathangady, Puttur and Sullia talukas. Habitat such as Banana plantation, Cashew plantation, Areca plantation, Vegetable garden, paddy fields were surveyed. Morphometric details of all the earthworms collected in the study area were recorded and species were identified . The study has revealed total of 11 species belonging to the family Octochaetidae in the order Haplotoxida. Species distribution pattern, their richness and habitat specificity have been studied and discussed in the paper.