Ferris, G.F. 1919c Observations on some mealy-bugs (Hemiptera; Coccidae).. Journal of Economic Entomology 12: 292-299.
Notes: Mentions 19 scale insects, redescribes 3; synonymy presented for several.
Ferris, G.F. 1919c Observations on some mealy-bugs (Hemiptera; Coccidae).. Journal of Economic Entomology 12: 292-299.
Notes: Mentions 19 scale insects, redescribes 3; synonymy presented for several.