XVII. On the forms of Zygæna Trifolii, with some remarks on the question of specific difference, as opposed to local or phytophagic variation, in that genus By T. H. Briggs, B.A
Article
1871
Transactions of the Entomological Society of London
19
417--440
BioStor
English
London, The Society,
BioStor: https://biostor.org/reference/51332 DOI: https://doi.org/10.1111/j.1365-2311.1871.tb01501.x
Public domain. The BHL considers that this work is no longer under copyright protection.
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