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Photo#310546
Small white - Pieris rapae - female

Small white - Pieris rapae - Female
Alameda County, California, USA
July 26, 2009
Size: ~5/8 in. (16 mm) bl
Has the markings and flight style of a cabbage butterfly but is smaller. Seen perching on buddleia, tomato, rose, and zucchini; feeding on lobelia; possibly feeding on buddleia. Seen (or noticed) for the first time today, and three specimens were in the yard at the same time.

Images of this individual: tag all
Small white - Pieris rapae - female Small white - Pieris rapae - female

definitely a female Cabbage Butterfly
Moved from Whites.

 
Interpretation
I think what was going on here was that the summer brood consisted of smaller individuals than the spring brood--oddly, because Arthur M. Shapiro and Timothy D. Manolis, Field Guide to Butterflies of the San Francisco Bay and Sacramento Valley Regions, says of this species "Summer specimens are larger" (p. 109). The cabbage whites in July were visibly smaller than those in preceding months.

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