P. Troilus Butterfly Small 320×209 Medium 640×417 Large 1024×668 Download Tiff Original 2400×1565 | (880.5 KB) Description Papilio troilus or Spicebush swallowtail butterfly. Keywords Butterfly, kbutterflies, papilio troilus, spicebush swallowtail Galleries Lepidoptera: Moths and Butterflies Source: F. Schuyler Mathews Field Book of American Wild Flowers (New York, NY: G. P. Putnam's Sons, 1902)
