 | 864-22. Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
| 864-22. Caterpillar of black swallowtail butterfly (Papilio polyxenes) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 29, 2010Similar picturesSmall thumbnails | Use large thumbnails | View as slideshow |
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