author(s)
Chidananda Nath, Prasanta Kr. Bordoloi, Bhuban Ch Chutia, Lalit Gogoi and Biva Goswami

abstract
Attacus atlas, popularly known as Atlas moth is a polyphagous wild silkmoth found throughout the Asia is a source of vanya silk commonly known as “Fagara silk” in India and “Kotkori Muga” in Assam. The life history was conducted on Citrus lemon, a 5^th moult and 6 six larval instars were observed. The longest larval duration was observed in the 6^th instar which was 14 to 15 days followed by third and fifth instar larva. Total larval duration was 72-79 days. Highest body weight of 6^th instar larvae of Attacus atlas was found to be 30.39 g