Our birch Symydobius distinct from the European (Aphididae–Hom.)
Baker, A. C. (Arthur Challen), 1875-1949
Article
1918
The Canadian entomologist
50
318--320
BioStor
English
Ottawa [etc.], Entomological Society of Canada [etc.],
BioStor: https://biostor.org/reference/71887 DOI: https://doi.org/10.4039/Ent50318-9
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