Speyeria hesperis wasatchia dos Passos and Grey, 1945

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 : 39-40

Speyeria hesperis wasatchia dos Passos and Grey, 1945

( Figure 39 )

Speyeria atlantis wasatchia dos Passos and Grey, 1945: 9 .

Speyeria hesperis wasatchia dos Passos and Grey [ Scott et al. 1998].

Common name. Wasatch fritillary.

Type deposited. Holotype at American Museum of Natural History ( Figure 39 ).

Type locality. Payson Canyon, Payson, Utah County, Utah.

Type label data. “ Holotype [male] Speyeria atlantis wasatchia Cyril F. dos Passos and L. Paul Grey; A. chitone Edw. Det. Gunder ; Payson Canyon, Payson, Utah VII.16.32; Col. Pfouts; J. D. Gunder Collection Ac. 34998”.

Identification, taxonomy, and variation. Speyeria hesperis wasatchia is similar to S. h. chitone and was considered a synonym (as Speyeria atlantis chitone ) by Hammond (1991). Scott et al. (1998) and Pelham (2008) list S. h. wasatchia as a synonym of S. h. tetonia. Ventral hindwing spots of S. h. wasatchia are typically unsilvered but there are silvered forms. Adult wingspan ranges from 50-60 mm.

Range. Known from a few localities in Utah.

Life history. This subspecies can be encountered at elevations above 7,500 ft. in northern Utah.

Figures

Figure 36-40. Type images for Speyeria spp.; dorsal, ventral, and label images. 36) Speyeria hesperis viola holotype, described as Speyeria atlantis viola, male, AMNH. 37) Speyeria hesperis elko holotype, described as Speyeria atlantis elko, male, NVMC. 38) Speyeria hesperis tetonia holotype, described as Speyeria atlantis tetonia, male, AMNH. 39) Speyeria hesperis wasatchia holotype, described as Speyeria atlantis wasatchia, male, AMNH. 40) Speyeria hesperis chitone lectotype, described as Argynnis chitone, male, CMNH. Images 36 and 38-40 by James C. Dunford; 37 by George Baumgartner and Scott Klette.