Speyeria hesperis
Speyeria hesperis, the northwestern fritillary, is a butterfly of the family Nymphalidae. It is found in the northwestern United States and western Canada, as far east as Manitoba and the Dakotas.[1][2]
| Northwestern fritillary | |
|---|---|
_(7-13-2015)_near_hannigan_meadow%252C_white_mts%252C_greenlee_co%252C_az_(6)_(20287660126).jpg.webp) | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Nymphalidae |
| Genus: | Speyeria |
| Species: | S. hesperis |
| Binomial name | |
| Speyeria hesperis (W.H. Edwards, 1864) | |
With a wingspan of between 45–58 millimetres (1.8–2.3 in), this fritillary is relatively small. It has bright orange uppersides (yellow in females) and thinner black markings than most fritillaries.[1]
Similar species
- Aphrodite fritillary (Speyeria aphrodite)
- Atlantis fritillary (Speyeria atlantis)
References
- Northwestern Fritillary, Butterflies of Canada
- Northwestern Fritillary, Butterflies and Moths of North America
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