186 
Psyche 
[June 
Figure 1. Dorsal surfaces of three Pierines from extreme climates, males at left. 
Top row: Reliquia santamarta, 4200 m. Sierra Nevada de Santa Marta, Colombia, 
10°44' N. Centre: Pieris occidental is “calyce,” 3640 m, Colorado front range, USA, 
40 o 01' N. Bottom: Pieris occidentalis nelsoni, Fairbanks, Alaska, 64°51' N. 
