Ferris, G.F. 1920 Notes on Coccidae - V. (Hemiptera).. Canadian Entomologist 52: 29-32.
Notes: Discusses Protodiaspis; P. parvula, P. agrifoliae, P. lobata, P. pulchra, n. spp.; Ancepaspis n. gen.
Ferris, G.F. 1920 Notes on Coccidae - V. (Hemiptera).. Canadian Entomologist 52: 29-32.
Notes: Discusses Protodiaspis; P. parvula, P. agrifoliae, P. lobata, P. pulchra, n. spp.; Ancepaspis n. gen.