Fritzgaertner's Flat (Celaenorrhinus fritzgaertneri [Bailey])
Wing span: 1 5/8 - 1 15/16 inches (4.2 - 5 cm).
Identification: Upperside is brown; forewing has a white band. Underside of hindwing is mottled. Fringes are checkered.
Life history: Adults fly at dusk and sometimes at dawn. They rest in caves, under highway bridges, and under ledges and leaves during the day.
Flight: February-September in South Texas; through October in Mexico.
Caterpillar hosts: Not reported.
Adult food: Flower nectar including that of papaya.
Habitat: Subtropical.
Range: Costa Rica north through Mexico. A periodic stray to South Texas and rarely to southern Arizona.
