''Speyeria hydaspe'', the Hydaspe fritillary, is a species of orange-brown butterfly found in the western portions of the United States and Canada. A small fritillary, it usually has cream-colored underwing spots, but the Vancouver Island subspecies has silver spots. It is similar to '' S. zerene'' and '' S. atlantis'', but may be distinguished by the smooth and even appearance of its postmedian spotband. The caterpillars feed on violets including ''

Viola glabella ''Viola glabella'', the stream violet or pioneer violet, is usually found along streams or in moist woods in northeastern Asia and northwestern North America North America is a continent in the Northern Hemisphere and almost entirely ...

''. A single brood flies from July through September and feeds on flower nectar. They may be found in moist forests, in clearings and

subalpine meadow Montane ecosystems are found on the slopes of mountains. The alpine climate in these regions strongly affects the ecosystem because temperatures fall as elevation increases, causing the ecosystem to stratify. This stratification is a crucial f ...

References

Speyeria Butterflies of North America Butterflies described in 1869 Taxa named by Jean Baptiste Boisduval {{Heliconiinae-stub