Synonyms and other taxonomic changes
P. polybius
Identification
Unmistakeable; very dark with a golden head, metallic blue streaks on the body and iridescence on the wings, a pair of red spots midway on the leading edge of each forewing.
Range
Argentina north through Mexico to the Lower Rio Grande Valley of Texas
Habitat
Subtropical woodlands; in the US, mainly in developed areas
Food
Adults feed on nectar. Caterpillars feed on leaves of Guava (Psidium spp.)
Life Cycle
Caterpillars use silk to stick leaves together and form shelters; feed mostly at night.
Remarks
Has become more common in the US due to use of Guava species in ornamental landscaping.
Print References
Wauer, Roland H. "Butterflies of the Lower Rio Grande Valley" Boulder CO: Johnson Books, 2004.