Mustard White (Pieris oleracea)

Mustard White ( Pieris oleracea )

Spring Form - Griffith, ON 2018/05/16

Mustard White ( Pieris oleracea )

Summer Form - Gatineau Park QC 2010/07/22

Mustard White ( Pieris oleracea )

Burnt Lands Provincial Park, ON 2010/06/22

Mustard White ( Pieris oleracea )

Gatineau Park QC 2012/07/21

Member of Family: Pieridae

French common name: Piéride des crucifères

The spring generation of this species has darker scaling on the underside than the summer generation (compare upper left and upper right images). The individual shown at lower left, which emerged in late spring, is intermediate.

To see where this butterfly has been reported, visit: The Ontario Butterfly Atlas Online

For more info on this species, visit the Butterflies of Canada ( en français )