Rare butterflies unseen for decades

Recently the black windmill butterfly Byasa crassipes in Arunachal Pradesh’s Dibang Valley in the Lower Dihang Valley district was found. So far the butterfly has been mentioned only in two books: the 10-volume Lepidoptera Indica, a book on India’s butterflies by the East India Company’s Frederic Moore in 1913, and The Fauna of British India written Read More …