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Published online by Cambridge University Press: 31 May 2012
1. Identified by Mr. Carl Heinrich.
2. Can. Ent. July, 1870, vol. II, pp. 126–128.
3. Fourth Rept. State Ent. Ill., pp. 65–74, 1889.
4. Mo. Agric. Exp. Sta. Bul. 36, pp. 73–80, 1896.
5. Manual Fruit Insects, p. 68, 1914.
6. Insects Injurious to Fruits, pp. 93–95. 1904.
7. Loc. cit.