Treherne, R.C. 1914 A review of applied entomology in British Columbia.. Proceedings of the Entomological Society of British Columbia 4: 67-71.
Notes: Brief references are made to records of the San Jose scale and the Putnam scale.
Treherne, R.C. 1914 A review of applied entomology in British Columbia.. Proceedings of the Entomological Society of British Columbia 4: 67-71.
Notes: Brief references are made to records of the San Jose scale and the Putnam scale.