VII. Illustrations of the 6th ♂ ventral segment in 17 Osmia-spedcs of the adunca,-Group, with a Note on the synonymy of four species, and descriptions of four which seem new. Francis David Morice, M.A., F.E.S
Article
1901
Transactions of the Entomological Society of London
49
161--178
BioStor
London, The Society,
BioStor: https://biostor.org/reference/50767 DOI: https://doi.org/10.1111/j.1365-2311.1901.tb02382.x
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