Regal fritillary
- kingdom: Animalia
- phylum: Arthropoda
- class: Insecta
- order: Lepidoptera
- family: Nymphalidae
- genus: Speyeria
- species: Speyeria idalia
Windsor
Ontario
CanadaWilmington
DelawareHobart
IndianaBraddock Heights
MarylandDilworth
MinnesotaChatham
Helmetta
Highland Park
Jamesburg
New Brunswick
Newton
New JerseyBedford
New YorkEffort
Phoenixville
Reading
Sand Hill
West Reading
PennsylvaniaJamestown
Rhode Island
United States