colias eurytheme

identification details:
family: Pieridae (whites + sulphurs)
subfamily: Coliadinae (sulphurs)
species: Colias eurytheme
common name: Orange Sulphur (alfalfa butterfly)
sex: female (yellow spots in black wing border. less vibrant coloration all-round).

collection details:
date: 6.7.07
location/habitat: white clover field amidst the concrete riverways near tuttle park (franklin county)
time: approx. 2:03 pm
flight pattern: rapid and erratic; very close to the ground and clover.

remarks:
this species is very abundant in the area. it can easily be confused with colias philodice (clouded sulphur). the burst of orange scaling among the yellow on the dorsal is a subtle difference. the silvery spots on the ventral are outlined with a red rim.