Stimmel, J.F. 1992 Cottony maple scale, Pulvinaria innumerabilis (Rathvon) (Homoptera: Coccidae).. Regulatory Horticulture (Pennsylvania Department of Agriculture) 18(1): 25-26 (Ent. Circ. No. 147).

Notes: Hosts, distribution, identification, life history, damage and control of this soft scale.