Colias johanseni, the Johansen's sulphur, is a butterfly in the family Pieridae found in North America. It is endemic to Nunavut, Canada.[1][2]
| Devon sulphur | |
|---|---|
Extinct (C. 1930)
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Scientific classification 
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| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Insecta |
| Order: | Lepidoptera |
| Family: | Pieridae |
| Genus: | Colias |
| Species: | †C. johanseni
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| Binomial name | |
| †Colias johanseni Troubridge & Philip, 1990
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Flight period is July.[1]
Wingspan is from 35 to 38 mm.[1]
Larvae feed on Hedysarum mackenzii.[1][2]
References
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