Weidhaas, J.A. 1968 Importance and control of scale insects.. Proceedings of the 44th International Shade Tree Conference 246-256.
Notes: General review of biology, feeding mechanism, and control; checklist of 53 pest species.
Weidhaas, J.A. 1968 Importance and control of scale insects.. Proceedings of the 44th International Shade Tree Conference 246-256.
Notes: General review of biology, feeding mechanism, and control; checklist of 53 pest species.