Kirby, W.F., & Spence, W. 1826 . An Introduction to Entomology; or, Elements of the Natural History of Insects. Vol. 3. Longman & Co. London 720 pp.
Notes: Coccidae (Dorthesia) mentioned; Chermes abietis and Coccus floccifera.
Kirby, W.F., & Spence, W. 1826 . An Introduction to Entomology; or, Elements of the Natural History of Insects. Vol. 3. Longman & Co. London 720 pp.
Notes: Coccidae (Dorthesia) mentioned; Chermes abietis and Coccus floccifera.