Britton, W.E. 1930 Entomological features of 1929.. Bulletin of the Connecticut Agricultural Experiment Station No. 315: 490-501.
Notes: Aspidiotus perniciosus, Lecanium corni and Aulacaspis rosae.
Britton, W.E. 1930 Entomological features of 1929.. Bulletin of the Connecticut Agricultural Experiment Station No. 315: 490-501.
Notes: Aspidiotus perniciosus, Lecanium corni and Aulacaspis rosae.