Ranges from southern Colorado to Arizona.

(2) Oarisma powesheik (Parker), [Plate CXXXIX], Fig. 3, ♂ (The Iowa Dun).

Larger than the preceding species and dark on upper side; on under side fore wings black, edged on costa with light fulvous. Hind wings dusky below, veins and nervules white, conspicuous on darker ground. Expanse 1.00-1.25 inch.

Ranges from Wisconsin to Dakota and Colorado, common in Iowa.

Genus ANCYLOXYPHA Felder

(1) Ancyloxypha numitor Fabricius, [Plate CXXXIX], Fig. 2, ♂ (The Least Skipper).

Below fore wings black, bordered on costa and outer margin with reddish fulvous; hind wings pale fulvous. Expanse 0.75-0.95 inch.

Ranges from Quebec to Florida and westward to the Rocky Mountains.

Genus COPŒODES Speyer

(1) Copœodes procris (Edwards), [Plate CXXXIX], Fig. 4, ♂ (The Golden Skipper).