English, L.L., & Decker, G.C. 1954 Spray mixtures to control Putnam scale and bark beetles on elms.. Journal of Economic Entomology 47: 624-627.
Notes: Five promising programs proposed for control of Asidiotus ancylus.
English, L.L., & Decker, G.C. 1954 Spray mixtures to control Putnam scale and bark beetles on elms.. Journal of Economic Entomology 47: 624-627.
Notes: Five promising programs proposed for control of Asidiotus ancylus.