Freeman Bibliographical Database
| Identifier: | A6984 |
| Date: | 1871 |
| Concise reference: | Briggs, T. H. 1871. On the forms of Zygænæ Trifolii, with some remarks on the question of specific difference, as opposed to local or phytophagic variation, in that genus. Transactions of the Entomological Society of London [4th ser. 4] no. 4: 417-440. [CUL-DAR.LIB.PER-U454] |