Cabbage White (LEP23) Pieris rapae
Occurs in every garden where plants of the cabbage family are grown. They flutter about these plants in summer. A European species, it was introduced over 100 years ago to North America. Ever since it has spread to nearly every part of the continent. Mostly a pure, creamy white, it has black spots on the forewings, charcoal forewing tips, and a yellow underside hue.