Guwahati, Aug. 31 -- In a breakthrough for biodiversity research in Northeast India, two butterfly species from the skipper family (Hesperiidae) have been recorded for the first time in Arunachal Pradesh. The discovery, published in Entomological News (August 2025 issue), adds to the growing evidence that the state is one of India's richest butterfly habitats.

The study, conducted by researchers Roshan Upadhaya and Taslima Sheikh, documents the presence of Pirdana hyela major (commonly known as the Green Veined Palmer) and Satarupa gopala gopala (Large White Flat) in two different districts of Arunachal Pradesh. The findings expand the known range of these species, which were previously unreported from the state.

Field surveys carried o...