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False Duskywing

(Gesta invisa)

 

 

 

False Duskywing (Gesta gesta [Herrich-Schäffer])

Wing span: 15/16 - 1 3/8 inches (2.4 - 3.5 cm).

Identification: Upperside brown-black with darker bands; forewing with blue-gray submarginal band and a dark patch overlapping the cell.

Life history: Adults stay near the host plants, where females lay eggs. Caterpillars rest during the day in leaf nests and come out at night to feed on leaves. Fully-grown caterpillars hibernate.

Flight: Four broods from April-November in South Texas; all year southward.

Caterpillar hosts: Wild indigo (Indigofera suffruticosa and I. lindheimeriana) in the pea family (Fabaceae).

Adult food: Flower nectar.

Habitat: Tropical open areas including thornscrub, dry riverbeds, and abandoned fields.

Range: Argentina north through tropical America to the West Indies and South Texas. A stray to east Texas.

 

False Duskywing (Gesta invisa)