This book is based on a large number of collections of family Arctiidae, mainly collected from North West Himalayas, North East India and Western Ghats and housed in the laboratory of the first author. All the scattered information on the taxonomy of included species is compiled in this work. The book provides a compendium of taxonomic details of 150 species of family Arctiidae under48 genera of three subfamilies, Arctiinae (45 species and 13 genera), Lithosiinae (92 species and 31 genera) and Syntominae (13 species and 04 genera). Of these, five new geera and 59 new species are described. Six genera and nine species are reported for the first time from India. Besides this, one genus is synonymised, status of one species upgraded, new combinations for 10 species proposed and old combinations for 04 species revalidated. For each of the included genus: first reference, type species, diagnosis, remarks and the known species from India is given. Whereas, for each of the included species: first reference, diagnosis/description, distribution in India are given. This book is intended for use by wide readership, particularly all those interested in exploring, studying, and documenting the Indian Arctiidae.