King, G.B. 1901j The Coccidae of British North America.. Canadian Entomologist 33: 333-336.
Notes: Eulecanium guignardi, E. lymani, E. rosae, Lecanium pini, Pulvinaria viburni, n. spp.; 9 other scale insects listed, with notes.
King, G.B. 1901j The Coccidae of British North America.. Canadian Entomologist 33: 333-336.
Notes: Eulecanium guignardi, E. lymani, E. rosae, Lecanium pini, Pulvinaria viburni, n. spp.; 9 other scale insects listed, with notes.