Thursday, September 06, 2012

(Photo) Female black swallowtail

While taking a walk at Fort Sheridan in Lake County two afternoons ago I found a female black swallowtail butterfly.

Blue markings on the bottom of the wings are the indicators of a female specimen.

Related posts:

(Photo) Pearl crescent butterfly

(Photo) Common buckeye butterfly

American painted lady butterfly

Tiger swallowtail and thistle

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