Female Eastern swallowtails tend to have more blue ... white ash. Grow these butterfly host plants to attract pollinators. Eastern swallowtail caterpillars are green with large yellow and black ...

After Hurricane Andrew ripped through South Florida in 1992, the already-scarce Miami blue butterfly almost went extinct: No one recorded a single sighting for years. Finally, in 1999, a cheer went up ...

DESCRIPTION: The Miami blue is a small butterfly with a wingspan of only about ... Both sexes are gray below, with a distinct, wide, white postmedian hindwing band and four black basal spots. Mature ...