author(s)
Avtar Kaur Sidhu and Akhil Nair

abstract
Deilephila rivularis Boisuval, also known as Chitral elephant hawk moth of family Sphingidae has been treated taxonomically. During present study the diagnostic characters and the male genitalia of the species have been described in details, and the female genitalia have been studied for the first time. Sural, Shour (Pangi valley, Chamba), Chail (Solan), Sangla, Rackcham and Kalpa (Kinnaur) in Himachal Pradesh have been reported as additional distributional records of this species.