This swallowtail is the largest butterfly in our state. In Florida, the larvae are a pest in citrus orchards, but here in Missouri, they feed primarily on prickly ash and hop tree, plants provided by nature.
The caterpillars are smooth and pretty green, with weird eyespots on a hump well behind the actual head. The winged adults are striking, too: black with beautiful iridescent blue and green on the hindwings.
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