1. Odonata enter the biodiversity crisis debate: The first global assessment of an insect group
2. Libellula;Entomologica Systematica,1793
3. New and rare Odonata from Nilgiri Hills;Records of Indian Museum,1922
4. Fraser FC . 1933. The Fauna of British India including Ceylon and Burma, Odonata, Volume I. London: Taylor and Francis Ltd.
5. Garrison RW , Ellenrieder N , Louton JA . 2010. Damselfly Genera of the New World: An Illustrated and Annotated Key to the Zygoptera. Baltimore: The Johns Hopkins University Press.