Gulf Fritillary (Agraulis vanillae). A gulf fritillary sips nectar from an ironweed at Brackenridge Field Laboratory in… https://www.rawpixel.com/image/8720142/photo-image-flower-plant-public-domainFree Image from public domain licenseThistle blooms provide a midday meal for a gulf fritillary butterfly at Merritt Island National Wildlife Refuge in Florida.… https://www.rawpixel.com/image/440400/free-photo-image-butterfly-nasa-tropical-forest-photosFree Image from public domain licenseGulf Fritillary (Agraulis Vanillae). Digitally enhanced from our own publication of Moths and Butterflies of the United… https://www.rawpixel.com/image/403490/free-illustration-image-butterfly-vintage-moths-and-butterflies-usaFree Image from public domain licenseGulf Fritillary (Dione vanillae)NPS/Bill Bjornstad Alt text: An orange and white butterfly on a yellow flower. https://www.rawpixel.com/image/9655100/photo-image-butterfly-flower-plantFree Image from public domain license