Key to the subtribe Helocharae Orchym. (Coleoptera-Hydrophilidae) of Boreal America
Winters, Fred C.
Article
1927
The Pan-Pacific entomologist
4
19--29
BioStor
English
San Francisco, Pacific Coast Entomological Society,
BioStor: https://biostor.org/reference/224501
In copyright. Digitized with the permission of the rights holder.
https://biodiversitylibrary.org/permissions
http://creativecommons.org/licenses/by-nc-sa/4.0/
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