The Mexican silverspot , Dione moneta poeyi Butler, is similar to the gulf fritillary, but the upper wing surfaces are yellow-brown and not marked with white spots. Underneath, the silver spots are not rimmed with black. Its range is restricted to the Rio Grande Valley and occasionally far west Texas. Caterpillars of all of these species feed on passion flower leaves. Adult females lay elongated, ribbed, buff yellow eggs on host plants.
Caterpillars have chewing mouthparts.
Adults have siphoning mouths. Caterpillars feed on leaves of passion flower, Passiflora spp. Adults visit numerous flowers and migrate northward and feed on nectar. For additional information, contact your local Texas extension service agent, or search for other state extension service offices.