Great Purple Hairstreak vs Common Mormon

Side-by-side species comparison

Attribute Great Purple Hairstreak Common Mormon
Scientific Name Atlides halesus Papilio polytes
Order Lepidoptera Lepidoptera
Family Lycaenidae Papilionidae
Size 32-50 mm wingspan 90-100 mm wingspan
Habitat Woodlands Heathland
Diet Nectar Feeders Nectar Feeders
Regions Southern United States from California to the Atlantic coast South Asia, Southeast Asia
Conservation Least Concern Least Concern

Great Purple Hairstreak

The largest hairstreak in North America with brilliant iridescent blue upperside wings and a bright red-orange abdomen. Its underside is dark with metallic blue and red spots near the tails.

💡

Did You Know?

Its caterpillars feed only on mistletoe, and females seek out this parasitic plant high in oak canopies to lay their eggs.

Common Mormon

Males are plain black with a cream band; females occur in multiple forms mimicking different toxic species. A textbook example of female-limited polymorphism.

💡

Did You Know?

A single gene called doublesex controls the switch between its mimetic female forms.