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Horace's Duskywing Butterfly 5

Family: Hesperiidae

Subfamily: Pyrginae

Identification: Fringes are brown. Upperside of male forewing is dark brown with little contrast and no white overscaling. Upperside of female forewing is light brown with a contrasting pattern and large transparent spots. Underside of hindwing is usually without 2 spots below the apex. Male has a costal fold containing yellow scent scales; female has a patch of scent scales on the 7th abdominal segment.

Wing Span: 1 7/16 - 1 15/16 inches (3.6 - 4.9 cm).

Life History: To seek females, males perch at the ends of twigs on hilltops or slopes about 1 foot above the ground. Mating has been observed around midday; females deposit eggs singly on new growth of the host. Caterpillars feed on young leaves and rest in leaf nests. Caterpillars of the last brood hibernate.

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File Name: NZ6_2300

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Uploaded on March 3, 2022
Taken on August 28, 2021