Stimmel, J.F. 1984 Pine tortoise scale, Toumeyella parvicornis (Cockerell) (Homoptera: Coccidae).. Regulatory Horticulture (Pennsylvania Department of Agriculture) 10(1): 23-24 (Ent. Circ. No. 87).

Notes: Hosts, distribution, identification, life history, damage and control of this common scale on ornamentals.