Schuder, L. 1979 Scale insects on shade trees and shrubs.. Publication of the Purdue University Cooperative Extension Service, 1-4 pp.
Notes: Damage, biological notes and control for 25 coccoid species.
Schuder, L. 1979 Scale insects on shade trees and shrubs.. Publication of the Purdue University Cooperative Extension Service, 1-4 pp.
Notes: Damage, biological notes and control for 25 coccoid species.