Synonyms and other taxonomic changes
Argynnis lais W. H. Edwards 1884 [invalid later homonym; not Argynnis lais Scudder, 1875]. Type locality: originally given as Red Deer River, Alberta; "corrected" by Geddes to Fort Edmonton, Alberta
Speyeria atlantis dennisi dos Passos & Grey 1945 [based on Argynnis atlantis beani tr. f. dennisi Gunder, 1927; deamed as a valid subspecies name as per ICBN articles 10.2 & 45.5.1]. Type locality: Beulah, Manitoba
Speyeria atlantis lais (Edwards) dos Passos & Grey 1947
Speyeria atlantis helena dos Passos & Grey, 1955 [replacement name for Argynnis lais W. H. Edwards].
[i]Speyeria hesperis helena (dos Passos & Grey) Scott, Kondla, Spomer, 1998
northern prairies of south central Canada and adjacent US. Alberta, Saskatchewan, Manitoba, North Dakota, probably Montana.
This page is still being researched further to verify accuracy.