Family: Brush-footed Butterflies
Identification: Upperside is white with light brown markings and a double
row of light crescents at the margins. Forewing has one round, black spot;
hindwing has two. Dry season (winter) form is larger and paler; wet season
(summer form) is smaller and darker.
Life history: Males patrol and occasionally perch to find females. Eggs
are laid singly near the host plant or under its leaves.
Flight: Throughout the year in South Texas and the Deep South.
Wing span: 2 - 2 3/4 inches (5.1 - 7 cm).
Caterpillar hosts: Water hyssop (Bacopa), Ruellia, and Lippia.
Adult food: Shepherd\'s needle (Bidens pilosa) in Florida; Cordia, Casearia,
and composites in Central America.
Habitat: Open, moist areas such as edges of ponds and streams, along shallow
ditches, weedy fields, parks.
Range: Resident from Argentina north through Central America, Mexico,
and the West Indies to South Texas and southern Florida. Migrates and
temporarily colonizes to central Texas and coastal South Carolina. A rare
wanderer to North Carolina, Missouri, Nebraska, and Kansas.
Conservation: Monitor status of United States populations.