Ghosh, D., et al. “Predators and Parasites of Aphids from North West and Western Himalaya III. TwentyFive Species of Coccinellidae (Coleoptera: Insecta) from Garhwal and Kumaon Ranges”. Records of the Zoological Survey of India, vol. 88, no. 2, June 1991, pp. 177-88, doi:10.26515/rzsi/v88/i2/1991/161342.