Serr, E.F. 1933 Calico scale -- a new pest and how to control it.. Diamond Walnut News 15(4): 9.
Notes: Brief field description of Lecanium cerasorum, its behavior, and chemical control.
Serr, E.F. 1933 Calico scale -- a new pest and how to control it.. Diamond Walnut News 15(4): 9.
Notes: Brief field description of Lecanium cerasorum, its behavior, and chemical control.