MacPhee, A.W. 1971 Lecanium coryli L., Lecanium scale (Hemiptera: Coccidae).. Biological Control Programmes against Insects and Weeds in Canada: 1959-1968. (Technical Communication No. 4) Commonwealth Agricultural Bureaux Farnham Royal, Slough, G.B. 266 pp.

Notes: Pest status, natural enemies and evaluation of control attempts.