D. Ghosh, N. Debnath, and S. Chakrabarti, “Predators and Parasites of Aphids from North West and Western Himalaya III. TwentyFive Species of Coccinellidae (Coleoptera: Insecta) from Garhwal and Kumaon Ranges”, rzsi, vol. 88, no. 2, pp. 177–188, Jun. 1991.