Colias tyche

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Booth's sulphur
Colias tyche f.jpg
Colias tyche m.jpg
Scientific classification edit
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Pieridae
Genus: Colias
C. tyche
Binomial name
Colias tyche
(de Böber, 1812)
  • Colias melinos Eversmann, 1847

Colias tyche, the Booth's sulphur or pale Arctic clouded yellow, is a butterfly in the family Pieridae. It is found from Baffin Island west along the Hudson Bay and arctic coasts of the Nunavut and Northwest Territories mainland and the southern tier of Arctic Islands to northern Yukon, Alaska, and Eurasia.[1]

Colias tyche.jpg

The wingspan is 28–43 mm.[1]

The butterfly flies in June to August depending on the location.[1]

The larvae feed on legume species.


  • C. t. tyche (northern Eurasia)
  • C. t. antonkozlovi Yakovlev, 2020 (Russia, Northern Siberia, Taimyr Peninsula, Plateau Putorana)
  • C. t. relicta Kurentzov, 1970 (Chukot Peninsula, Far East)
  • C. t. werdandi Zetterstedt, 1839 (northern Europe)
  • C. t. magadanica Churkin, Grieshuber, Bogdanov & Zamolodchikov, 2001 (Magadan)
  • C. t. flinti Churkin, Grieshuber, Bogdanov & Zamolodchikov, 2001 (Wrangel Island)
  • C. t. olga Churkin, Grieshuber, Bogdanov & Zamolodchikov, 2001 (East Chukotka)
  • C. t. boothii Curtis, 1835 (Northwest Territories, Yukon, Baffin Island, Victoria Island, Banks Island, Alaska)
  • C. t. thula Hovanitz, 1955 (Alaska and in Canada on Banks, Victoria and Melville Islands) may be a full species.

Both of the Nearctic subspecies C. t. boothii (Booth's sulphur) and C. t. thula (Thula sulphur) are treated as valid species by some authors.

Similar species[edit]


  1. ^ a b c Booth's Sulphur, Butterflies of Canada
  • Churkin, S., Grieshuber, J ., Bogdanov, P. & Zamolodchikov, D. (2001). Taxonomic notes on Colias tyche Böber, 1812 and Colias nastes Boisduval, 1832 (Lepidoptera, Pieridae) from the Russian Far East with the descriptions of new subspecies. Helios 2:103-116, pls.8-10.
  • Churkin, S., Grieshuber, J ., Bogdanov, P. & Zamolodchikov, D. (2001). Ein Ersatzname für eine kürzlich beschriebene Unterart von Colias tyche Böber, 1912 (Lepidoptera, Pieridae). Atalanta 32(1/2):262-263.

External links[edit]