Superfamily HESPERIOIDEA: The Skippers 

 Family HESPERIIDAE 



KEY TO THE SUBFAMILIES 



a\ Distal recurved portion of antennal club as long as, or nearly 

 as long as, the proximal part, the club being bent in its 

 thickest part ; abdomen shorter than the hind wings ; males 

 with a recurved fold on the costal border of the fore wings 

 containing androconia Pyrginae (p. 200). 



a^ Distal recurved portion of antennal club much shorter than the 

 proximal part, or absent, the club being bent beyond its 

 thickest part ; abdomen as long as, or longer than, the hind 

 wings ; males usually with a black velvety patch on the fore 

 wings containing androconia Hesperiinae (p, 213). 



Subfamily Pyrginae 



KEY TO THE SPECIES 



a\ Hind wings above entirely without white markings. 



6\ Fore wings with a conspicuous yellow or brownish-yellow 

 band, or row of large angular spots, running from the 

 middle of the costal border toward the inner angle, 

 c*. Hind wings beneath with a large central silver spot (pi. 50, 



fig. 5) Epargyreus tityrus (p. 202). 



c\ No silver spot on the underside of the hind wings. 

 d\ Fore wings above with a continuous regular lustrous 

 golden band running from the middle of the costal 

 border almost to the inner angle ; hind wings beneath 

 mottled, without white (pi. 50, figs. 3, 4). 



Cecropterus cellus (p. 204). 

 d'. Fore wings above with an interrupted and irregular dull 

 brownish-yellow band, or row of large angular spots, 

 which ends abruptly about two-thirds of the distance 

 from the costal border to the inner angle ; hind wings 

 below with the outer third heavily washed with white 



(pi. 50, fig. 6) Achalarus lyciades (p. 203). 



b*. Fore wings without conspicuous yellow or brownish-yellow 

 markings. 

 c\ Wings above brown, the fore wings mottled or plain, often 

 with angular white spots ; fore wings more than 15 mm. 

 long, 

 d*. Fore wings above plain brown with a few angular white 

 or whitish spots which may be small and widely scat- 

 200 



