Oslar’s Roadside Skipper

Amblyscirtes oslari (Skinner, 1899)

Family: Hesperiidae

Status: Rare local resident

NENHP Ranking: S2, Tier 2

Range: Found in eastern Montana/western North Dakota southward to central Texas and southern Arizona. In Nebraska it has been found in the Pine Ridge, in pine habitats in the Niobrara River valley, and in the loess hills region in south central Nebraska.

Broods/Flight Times: One flight in June

Larval Hostplant(s): Grasses, particularly Blue Grama (Bouteloua gracilis)

Habitat: Short and mixed grass prairies

Found at: Niobrara Valley Preserve, Gilbert-Baker SWMA, loess hills south and east of North Platte (Lincoln and Dawson Co.s) and hills south of Republican River (Franklin Co).

Overwintering: As a partially grown caterpillar

Similar Species:

Notes: When found, this species is, at best, represented by an individual or two. In the Niobrara River valley it is found on hillsides in or adjacent to open pine woodlands. In the loess hills of south central Nebraska it has been found from the base to lower portions of prairie hillsides. Adults perch on open ground.

Common Name, Location, Photographer
Oslar’s Roadside Skipper – dorsal
Oslar’s Roadside Skipper – ventral

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