Black swallowtails have a tiny black dot in the orange circle at the base of their lower wing, while spicebush swallowtails do not. As the name might suggest, this swallowtail butterfly hosts on ...

The striking black spicebush swallowtail depends on, you guessed it: spicebush (Lindera benzoin), which is a native understory shrub. Butterflies are often named for their host plants. Bolger has ...

The source of those spring-time holes is usually the caterpillars of the very butterflies and moths you ... you’ll need violets. The spicebush swallowtail needs spicebush, the pipevine ...