(4) Thanaos juvenalis (Fabricius), [Plate CXXXVI], Fig. 1, ♀ (Juvenal’s Dusky-wing).
A large species with translucent spots arranged as an interrupted band beyond middle of wing. Expanse 1.35-1.60 inch.
Ranges from Quebec to Florida and westward to Arizona.
(5) Thanaos petronius Lintner, [Plate CXXXVI], Fig. 2, ♂ (Petronius’ Dusky-wing).
Somewhat resembling the preceding, but translucent spots much fewer in number and upper side much darker. Under side uniformly dusky with few light spots. Expanse 1.50-1.75 inch.
Confined to Florida so far as known.
PL. CXXXVII
(6) Thanaos martialis Scudder, [Plate CXXXVII], Fig. 1, ♂ (Martial’s Dusky-wing).
Upper side paler than in most species, with a purplish gray cast, all light spots of upper side repeated more distinctly on under side. Expanse 1.25-1.40 inch.