Comprehensive Description
Read full entryNomenclature
The North American representatives of the Holarctic genus Argynnis have for some time been placed in the genus Speyeria. The recent morphological work of Simonsen (2006), combined with the molecular data of Simonsen et al. (2006) suggest that the remainder of Argynnis is paraphyletic if Speyeria is retained as a distinct genus.The name Argyreus, although older than Argynnis, was suppressed by the International Commission on Zoological Nomenclature to preserve stability of usage of the latter when the two are considered synonymous, as they are here.
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