A survey was conducted during the pre and post monsoon seasons (May and September) of 2009 to explore the moth fauna in the Northeast region of Indian Himalaya. Forty five localities were randomly explored twice for the collection of moths of different region of Sikkim, Assam and West Bengal. During the whole survey 460 individual moths were collected by using a mercury vapor 150wt bulb hanging in front of white cloth sheet (12×8 ft.) fixed with wooden poles. The whole collection was resulted 55 species of moths belonging to 43 genera spread over 8 families of the order Lepidoptera. The highest number of species was found in family Sp hingidae with total of 22 species followed by 11, 10 and 06 species of Arctiidae, Geometridae and Noctuidae family, respectively. The remaining families, viz., Limacodidae, Notodontidae, and Saturniidae were the lowest in abundance as well as in species richness. In term of individual abundance, the family Geometridae was found dominant with 23.31% of the overall catch followed by Sphingidae (14.66%), Arctiidae (10.33%). The abundance of families was found highest in post monsoon season.
Lepidoptera, Light trapping, Moths, North-East Himalaya
