North-Western Palaearctic species of the Pristiphora ruficornis group (Hymenoptera, Tenthredinidae)

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The article, pertaining to two Alaskan specimens collected on the 1899 Harriman Alaska expedition, appeared in the Journal of Hymenoptera Research on 29.August.2016.

URI: http://jhr.pensoft.net/articles.php?id=9162

DOI: 10.3897/jhr.51.9162