Fifty-one new additions to the butterfly (Lepidoptera: Rhopalocera) fauna of Tripura, North-east India

The state of Tripura of North-east India is a part of the Indo-Myanmar biodiversity hotspot and rich in unique biological flora and fauna. The present study is based on extensive surveys done by the author for a period of 5 years in different parts of North Tripura, North-east India. Here, I present a total of 21 genera and 51 species that are new additions to the butterfly fauna of Tripura. These new records include 18 species of Hesperiidae, 12 species of Lycaenidae, 17 species of Nymphalidae and 4 species of Pieridae. These records represent a 20.90% increase in the numb