Colias johanseni explained

Colias johanseni, the Johansen's sulphur, is a butterfly in the family Pieridae found in North America. It is endemic to Nunavut, Canada.^[1]

Flight period is July.^[1]

Wingspan is from 35 to 38 mm.^[1]

Larvae feed on Hedysarum mackenzii.^{[1] [2]}

Notes and References

1. http://www.cbif.gc.ca/spp_pages/butterflies/species/Johansen'sSulphur_e.php Johansen's Sulphur
2. http://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/papilionoidea/pieridae/coliadinae/colias/index.html Colias