Woglum, R.S. 1922 Status of citrus pest control in central California.. California Citrograph 7: 400,417.
Notes: Citricola scale and its control is one of the pests problems discussed in this report.
Woglum, R.S. 1922 Status of citrus pest control in central California.. California Citrograph 7: 400,417.
Notes: Citricola scale and its control is one of the pests problems discussed in this report.