Pilsbry, H. A. & Vanatta, E. G. (1900). A partial revision of the Pupae of the United States. Proceedings of the Academy of Natural Sciences of Philadelphia. 52: 582-611, plates 22-23.
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Pilsbry, H. A. & Vanatta, E. G.
1900
A partial revision of the Pupae of the United States.
Proceedings of the Academy of Natural Sciences of Philadelphia