Effects of cultural methods for controlling aphids on potatoes in northeastern MaineWayland Arthur Shands, Geddes W. Simpson, H. J. Murphy · First published 1972Open the Tome
Survey of internal parasites of potato-infesting aphids in Northeastern Maine, 1963 through 1969Wayland Arthur Shands, Geddes W. Simpson, Corinne C. Gordon · First published 1972Open the Tome
Seasonal history of the buckthorn aphid and suitability of alder-leaved buckthorn as a primary host in northeastern MaineWayland Arthur Shands, Geddes W. Simpson · First published 1971Open the Tome
