Pillai, G.B.Ramachandran Nair, K.2014-07-082014-07-082007-02Indian Coconut J. 1992 v-23 i-2 p-2-4http://hdl.handle.net/123456789/3833The association of Xanthopimpla nana nana schulz with Opisina arenosella WLK is seasonal from August to January. Like Xanthopimpla punctata F.,X. nana nana also selects brooding sites close to the sea shore, back waters, rivers, etc. Maximum parasitism by it was 31.6% during November, 1984. Egg period was 26-28 hours, larval period 5 to 9 days and pupal period 6 to 9 days. Females survived for 24 to 95 days. X. nana nana is difficult to rear in the laboratory during summer months. Short descriptions of the immature stages and their distinguishing features are also provided.enArticle