Britton, W.E. 1933b Injury to trees by squirrels.. National Shade Tree Conference 9th: 85-91.
Notes: Species mentioned include Toumeyella liriodendri, Kermes spp., and Physokermes piceae.
Britton, W.E. 1933b Injury to trees by squirrels.. National Shade Tree Conference 9th: 85-91.
Notes: Species mentioned include Toumeyella liriodendri, Kermes spp., and Physokermes piceae.