Guide to the study of animal ecology

by Charles C. Adams

1906. Field Tables of Lepidoptera. pp. 141. Worcester, Mass. Keys for the determination of larvæ.

1910. A Structural Study of Some Caterpillars. Ann. Ent. Soc. Amer., Vol. III, pp. 94-132.

Contains a very useful bibliography (pp. 125-127).

Forbush, E. H., and Fernald, C. H.

1896. The Gypsy Moth. Mass. Board Agr. pp. 495. Boston.

Also discusses predaceous and parasitic animals which prey upon the Gypsy Moth.

Hart, C. A.

1895. On the Entomology of the Illinois River and Adjacent Waters. Bull. Ill. State Lab. Nat. Hist., Vol. IV, pp. 149-284.

Keys to immature stages of aquatic insects and many biological observations.

Henshaw, S.