On Aug 16, 2006, Magpye from NW Qtr, AR (Zone 6a) wrote:
Wing span: 1 1/4 - 1 5/8 inches (3.2 - 4.1 cm).
Identification: Males and females differ; plus 2 seasonal forms. Upperside of male forewing yellow with black bar along inner edge and a large black area at apex. Female varies from yellow to white; forewing with gray-black on apex and black patch on outer edge of hindwing. Summer (wet season) form is smaller with more extensive black areas. Underside hindwing of summer form is satiny white; that of winter form is brick red or tan with two small black spots in cell. In southern Florida, some individuals have white hindwings.
Life history: Males patrol open areas for females. Females lay single eggs on the terminal growth of host plants. Caterpillars eat leaves. Non-reproductive dry season adults overwinter.
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