Booth's Sulphur
Colias boothi thula
==Colias  tuche
Specimen

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Immatures


Male-Dorsal
Located by Jack Harry at Mile # 381 Dalton Highway
Arctic Coastal Plain, Alaska,
 Elevation 300 feet, 1 July 2001
Female-Dorsal
Located by Jack Harry at Mile # 323 Dalton Highway
North Slope, Alaska,
 Elevation 1200 feet, 29 June 1991


Female-Ventral
Located by Jack Harry at Mile #378 Dalton Highway
37 miles South of Deadhorse, Alaska,
Elevation 300 feet, 23 June 2006


Photo Details - ©Nicky Davis

Male-Dorsal
Located by Jack Harry at Mile # 381 Dalton Highway,
Arctic Coastal Plain, Alaska, Elevation 300 feet, 1 July 2001

Female-Dorsal
Located by Jack Harry at Mile # 323 Dalton Highway,
North Slope, Alaska, Elevation 1200 feet, 29 June 1991

Female-Ventral
Located by Jack Harry at Mile #378 Dalton Highway,
37 miles South of Deadhorse, Alaska, Elevation 300 feet, 23 June 2006

Host Plant
Astragalus cicer    used to rear #2 larva but it wasn't the host plant in the wild

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