On Dimorphism in the Hymenopterous Genus Cynips: With an Appendix, Containing Hints for a New Classification of Cynipidae and a List of Cynipidae, Including Descriptions of Several New Species, Inhabiting the Oak-galls of Illinois

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https://www.biodiversitylibrary.org/item/259461#page/455/mode/1up
Authors: BD Walsh
Publication Year: 1864
Citation (MLA Form):

Walsh, Benjamin Dann. On Dimorphism in the Hymenopterous Genus Cynips: With an Appendix, Containing Hints for a New Classification of Cynipidae and a List of Cynipidae, Including Descriptions of Several New Species, Inhabiting the Oak-galls of Illinois. Proceedings of the Entomological Society of Philadelphia v. II, 1864.

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