Rice inhabiting Eurytomidae and Eupelmidae (Hymenoptera; Chalcidoidea) were collected from the western zone, Cauvery delta zone and high rainfall zone of Tamil Nadu during 2015-16. Collected Eurytomidae (105 individuals) and Eupelmidae (81 individuals) comprised 8 genera and 12 species. Neobepharata sp. (Eurytomidae) and Mesocomys sp. (Eupelmidae) were the most abundant fauna among all the species observed with the relative abundance of 24.0 and 50.6 per cent respectively.
Key words : Diversity, Hymenopterans, Parasitoids, Eurytomidae, Eupelmidae, Rice Ecosystem.