LITERATURE CITED. 
Grote, A. R. A 'new lepidopterous insect injurious to vegetation. In Canad. Ent., 
vol. 9,,No. 9, p. 161-163, September, 1877. 
Grote, A. R. Note on the structure of Nephopteryx zimmermani. In Canad. Ent., 
vol. 10, No. 1, p. 19, January, 1878. - 
Zimmerman, Chas. D. In Canad. Ent., vol. 10, No. 1, p. 20, January, 1878. 
Kellicott, D. S. Observations on Nephopteryx zimmermani. In Canad. Ent., vol. 
11, No. 6, p. 114-116, June, 1879. 
Grote, A. R. On the neuration in certain genera of Pyralidae. In North American 
Entomologist, vol. 1, No. 2, p. 9-12* August, 1879. 
Page 11. pinipestis zimmermani. 
Packard, A. S. Insects injurious to forest and shade trees. IT. S. Dept. Interior, 
Ent. Com., Bui. 7, 275 p., 100 fig., 1881. 
Pages 182-184. Nephopteryx {Pinipestis) zimmermanni Grote. 
Packard, A. S. Insects injurious to forest and shade trees. U. S. Dept. Agr., 5th 
Rpt. Ent. Com., 952 p., 38 pi., 306 fig., 1890. 
Pages 731-733. Nephopteryx (Pinipestis) zimmermanni Grote. 
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