TL;DR: Four species of the geometrid genus Agathia Guenee have been collected and identified from different localities of Western Ghats, India and the external genitalia of these illustrated.
Abstract: Four species of the geometrid genus Agathia Guenee viz., hemithearia Guenee, hilarata Guenee, lycaenaria Kollar and viridana Stoll referable to the genus Agathia Guenee have been collected and identified from different localities of Western Ghats, India. The external genitalia of these illustrated. A new species i.e., microlaetata sp. nov. has also been described.