Color: Upperside is black with white spots near the apex; forewing with red median band, hindwing with red marginal band. The winter form is smaller and duller, summer form larger and brighter with an interrupted forewing band.
Wingspan: 1 3/4 - 3 inches (4.5 - 7.6 cm)
Host plants: Nettle (Urticaceae); Mulberry (Moraceae)
Overwintering stage: adult
Mate-Location system: perching
Flight: Two broods from March-October in the north, winters from October-March in South Texas
https://www.butterfliesandmoths.org/species/Vanessa-atalanta
Scott, 1986 The Butterflies of North America