Contents: 1. Introduction. 2. Review of literature on Chaetotaxy in the order Lepidoptera with emphasis on Butterflies. 3. Material and methods. 4. Observations on the Chaetotaxy of various species. i. Castalius rosimon (Fabricius). ii. Euchrysops cnejus (Fabricius). iii. Vanessa (Aglais) cashmiriensis Kollar. iv. Vanessa (Vanessa) Indica (Herbst). v. Vanessa (Cynthia) cardui (Linnaeus). vi. Hypolimnas bolina (Linnaeus). vii. Junonia almana Linnaeus. viii. ...