Britton, W.E. 1924b Some of the principal insects attacking shade trees in Connecticut.. Bulletin of the Connecticut Agricultural Experiment Station No. 263: 156-170.

Notes: Lepidosaphes ulmi, Aspidiotus perniciosus, Phenacoccus acericola, Pulvinaria vitis, Lecanium nigrofasciatum, Toumeyella liriodendri, Gossyparia spuria, Chionaspis pinifoliae, C. furfura, Aulacaspis rosae, Eulecanium corni and Asterolecanium variolosum mentioned; biological notes; chemical control recommendations.