Britton, W.E., & Friend, R.B. 1935 Insect pests of elms in Connecticut.. Bulletin of the Connecticut Agricultural Experiment Station No. 369: 265-307.

Notes: Pests reviewed include Chionaspis americana, Aspidiotus ulmi, Lecanium corni, Lepidosaphes ulmi and Gossyparia spuria; common names; biological notes; recommended chemical control measures.