Illinois Butterfly Monitoring Network

Common Sulphur-Clouded Sulphur (Colias philodice)

The Clouded Sulphur (Colias philodice) and Orange Sulphur, or Alfalfa, (Colias eurytheme) are often difficult to distinguish. But the Orange Sulphur generally has some orange in the wing color, while Clouded is purely yellow.

Click on a picture to see a larger image.

Common Sulphur-Clouded Sulphur Common Sulphur-Clouded Sulphur Common Sulphur-Clouded Sulphur Common Sulphur-Clouded Sulphur

Return to Top 25 Butterflies Gallery
Return to main galleries page