(Godman & Salvin, 1890)
The upperside of the wings is black with the hindwing having two rows of submarginal spots: the first row, white; and the second row, pink. Males have fewer white spots than females. The underside of the wings are similar except the hindwing pink spots are more conspicuous. It has a wingspan of 3–3.5 in (76–89 mm).
This species has been seen on the wing from March to November.
The white-dotted cattleheart may be encountered in pine-oak forests.
The larva is ringed with black and white bands and has yellow and reddish-brown fleshy projections. Each side of the body contains red, orange and white spots. The chrysalis is shaped very similar to that of the pipevine swallowtail (Battus philenor). It is blue green with the head, parts of the thorax, and abdomen a bright yellow green. It is unknown whether the chrysalis has a brown form or not.
It is uncommon and known from very few localities, but is not known to be threatened.
- Jim P. Brock and Kenn Kaufman (2003). Butterflies of North America. Houghton Mifflin, New York, NY. ISBN 0-618-15312-8
- "White-dotted Cattleheart", Butterflies and Moths of North America
- "Parides alopius", Mariposa Mexicanas
- Tyler, H.A. (1975). The Swallowtail Butterflies of North America. Naturegraph Publishers, viii + 192 pp.
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- Parides alopius, Butterflies of America