Speyeria atlantis hollandi ( Chermock and Chermock, 1940 )

Dunford, James C., 2009, Taxonomic overview of the greater fritillary genus Speyeria Scudder and the atlantis - hesperis species complexes, with species accounts, type images, and relevant literature (Lepidoptera: Nymphalidae), Insecta Mundi 2009 (90), pp. 1-74 : 28

Speyeria atlantis hollandi ( Chermock and Chermock, 1940)

( Figure 22)

Argynnis atlantis Hollandi Chermock and Chermock, 1940: 82 .

Speyeria atlantis hollandi (Chermock and Chermock) [ dos Passos and Grey 1947].

Common name. Holland’s fritillary.

Type deposited. Holotype at Canadian National Collection ( Figure 22).

Type locality. Riding Mountains, Manitoba, Canada.

Type label data. “ ARG. ATLANTIS . R. HOLLANDI [male] HOLOTYPE F. H. & R. L. Chermock; HOLOTYPE Arg. atlantis R. Holland No. 4370 F. H. & R. L. Chermock; RIDING MTS MANITOBA VII- 24-34; Can. Dep. Agr. Photo. Specimen No. 4093 24-IV-1986 Negative No”.

Identification, taxonomy, and variation. The discal and basal areas located on the ventral forewing and hindwing are deep brown compared to paler S. atlantis forms. This subspecies is considered the western terminus of the S. atlantis cline ( Howe 1975). Adult wingspan ranges from 50-60 mm.

Range. This subspecies occurs in the Riding Mountains of Manitoba and Peace River region of British Columbia.

Life history. Nothing could be gleaned from the literature.