Genus ERYNNIS Schrank
PL. CXL
(1) Erynnis manitoba (Scudder), [Plate CXL], Fig. 1, ♂ (The Canadian Skipper).
On the lower side all the light spots of the upper side reappear, but more distinctly defined and pearly white in color.
Ranges north of the boundary between the United States and the Dominion of Canada, descending into the United States as far south as Colorado and northern California upon the high mountain ranges.
(2) Erynnis sassacus (Harris), [Plate CXL], Fig. 2, ♂ (The Indian Skipper). (See [p. 211].)
Below wings pale fulvous, spots of upper side feebly reproduced as faint lighter spots; fore wings black at base on this side. Expanse 1.10-1.35 inch.
Ranges from New England to Georgia, west to Colorado.
(3) Erynnis attalus (Edwards), [Plate CXL], Fig. 3, ♂ (The Wisconsin Skipper). (See [p. 211].)
Below both wings are dusky, with the light spots appearing in faint gray. The female is darker. Expanse 1.25-1.45 inch.
Ranges from New England to Wisconsin and Iowa, thence to the region of the Gulf.
(4) Erynnis metea (Scudder), [Plate CXL], Fig. 4, ♂ (The Cobweb Skipper). (See [p. 211].)
Below wings are brown, much darker than above, the pale marks of upper side repeated as pearly white spots, and on hind wings near base is a curved band of similar white spots. Expanse 1.20-1.30 inch.
PL. CXLI
Ranges from New England to Wisconsin.
(5) Erynnis uncas (Edwards), [Plate CXLVIII], Fig. 4, ♂ (Uncas’ Skipper). (See [p. 220].)
Below in both sexes wings beautifully marked with pearly white spots on greenish gray ground, the spots defined inwardly and outwardly by dark olive shades. Expanse 1.30-1.55 inch.
Ranges from Pennsylvania to Montana.
(6) Erynnis leonardus (Harris), [Plate CXLI], Fig. 1, ♂; Fig. 2, ♀ (Leonard’s Skipper).
Larger than most of the preceding species. Below wings dark brick-red. Spots of upper side reappearing more or less faintly. Expanse 1.25-1.35 inch.
Ranges from New England and Ontario to Florida, west throughout the Mississippi Valley.