Zaman, A., Qader, M.A., Islam, S., Barman, A.C., Alam, M.S., & Islam, M. 1996 Effects of feeding of tukra affected mulberry leaves on economic characters of silkworm, Bombyx mori L.. Pakistan Journal of Zoology 28: 169-171.

Notes: 'Tukra' transmitted by Maconellicoccus hirsutus.