Predicting the susceptibility of Illinois forest stands to defoliation by the gypsy moth / David L. Swofford, Michael R. Jeffords, and Karen W. O'Hayer. - Swofford, David L.; Jeffords, Michael R.; O'Hayer, Karen W.; Illinois. Natural History Survey Division (Champaign, Ill. : Illinois Natural History Survey, 1988)
Cover title.
Bibliography: p. 4.
Mode of access: Internet.
Keywords: Gypsy moth -- Illinois; Trees -- Diseases and pests -- Illinois; Defoliation -- Illinois