Genus EPARGYREUS Hübner
PL. CXXX
(1) Epargyreus tityrus (Fabricius), [Plate CXXX], Fig. 1, ♂; Fig. 2, ♀, under side (The Silver-spotted Skipper).
A very common and beautiful insect. Expanse 1.75-2.00 inches.
The caterpillar usually feeds upon Robinia and Wistaria. Has a wide range from Quebec to Vancouver Island and south to the Isthmus of Panama.
Genus THORYBES Scudder
(The Dusky-wings).
PL. CXXXI
(1) Thorybes pylades Scudder, [Plate CXXXI], Fig. 1, ♀ (The Northern Dusky-wing).
Below wings dark brown shading into gray outwardly; hind wings crossed by irregular brown bands; spots of upper side reappearing below. Expanse 1.60 inch.
Common in New England, thence westward and southward.
(2) Thorybes bathyllus (Smith & Abbot), [Plate CXXXI], Fig. 2 (The Southern Dusky-wing).
Distinguished from preceding species by the larger spots on fore wing.
Ranges from Connecticut to Texas.