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Species   Colias tyche

Colias tyche kolosovae

Churkin, Grieshuber, Bogdanov &
Zamolodchikov, 2001

Booth's Sulphur

[olga is preoccupied] Seward
Peninsula, AK

Colias tyche thula

Hovanitz, 1955

Booth's Sulphur

N slope Brooks Range, AK

Colias tyche boothii

J. Curtis, 1835

Booth's Sulphur

C Canadian Arctic