Bohart, R.M. 1942 Life history of Diaspis boisduvalii and its control on cattleya with calcium cyanide.. Journal of Economic Entomology 35: 365-368.
Bohart, R.M. 1942 Life history of Diaspis boisduvalii and its control on cattleya with calcium cyanide.. Journal of Economic Entomology 35: 365-368.