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Uncas Skipper

(Hesperia uncas)

 

 

Uncas Skipper (Hesperia uncas W. H. Edwards)

Wing span: 1 1/8 - 1 5/8 inches (2.9 - 4.2 cm).

Identification: Wings are brownish orange. Underside of hindwing has white veins, white spots extended along the veins, and black submarginal patches.

Life history: Males perch on tops of small hills or mesas to await females. Females lay eggs singly on or near the host plants. Caterpillars eat leaves and take shelter in tied-up leaves.

Flight: One brood from June-July in high elevations; two broods from May-September in the remainder of the range.

Caterpillar hosts: Blue grama grass (Bouteloua gracilis) and needlegrass (Stipa).

Adult food: Flower nectar.

Habitat: Short-grass prairie, sagebrush, open woodland.

Range: High plains from central Alberta east to southern Manitoba; south to east-central California, southeast Arizona, west and north Texas; south to southern Mexico. A stray to southwest Iowa and eastern Minnesota.

 

Uncas Skipper (Hesperia uncas)