Freeman Bibliographical Database
| Identifier: | A6258 |
| Date: | 1864 |
| Concise reference: | Walsh, Benjamin Dann. 1864. On dimorphism in the hymenopterous genus Cynips, with an appendix, containing hints for a new classification of Cynipidas and a list of Cynipidœ, including descriptions of several new species, inhabiting the oak-galls of Illinois. Proceedings of the Entomological Society of Philadelphia 3: 443-500. [inscribed][Darwin Pamphlet Collection] |