1. Ahmad, T., 1940. A survey of the insect fauna of Afghanistan. Indian J. Ent. 2: 159–176.
2. Anderson, J., 1909. Extraordinary abundance of, and destruction by, the larvae of Pieris brassicae. Entomologist 42: 282.
3. Diyarbakir Böige Zirai Mucadele Arastirma Enstitusu, Turkey;N Asena,1974
4. Balachowsky, A. & Mesnil, L., 1936. Les insectes nuisible aux plantes cultivées. II: 1183–1185. Etablissements Busson, Paris.
5. Berne, 1925. Lutte contre les ennemis des plantes cultivées. Ann. agric. Suisse 26: 456–457.