GANGTOK, 30 May: “There are more than 650 species of butterflies in Sikkim and Dzongu is one area where one will be able to find most of the species and hopefully make new discoveries,” said Dr Krushnamegh Kunte, president of Indian Foundation for Butterflies and a scientist of Harvard University, here today. He is in Sikkim as part of a 3-year research study on butterflies of Sikkim and has finished a 10-day tour of East, West and North Sikkim. This was his third trip to the state, while the first was made in April, 2008.