SUBFAM ILY III. LOCUSTINJE. 



328 



male; fastigium feebly declivent, much widened and concave in 

 front of eyes; face distinctly, not strongly oblique; frontal costa 

 wider than the interspace between the eyes, feebly constricted be- 

 low the ocellus, deeply silicate throughout; eyes large, prominent, 

 especially so in male; antennae much longer than head and pro- 

 notum together; prouotum compressed, cylindrical, front and hind 

 margins truncate, sides parallel, median carina low, distinct, fee- 

 bly cut by front and hind sulci; metazona very short, lateral cari- 

 nse absent ; lateral lobes short, their lower margin subangulate at 

 basal third; hind femora very slender; hind tibire with 8 10 short 

 spines on outer margin ; lobes of both meso- and metasterna at- 

 tingent or nearly so. Two species are known, both from the 

 Southern States: 



Fig. 117. a, b and c. Male supra-anal plate, outline of cercus and subgenital plate of 

 Gvmnoscirtetes pusilhis; d, e, f, same of G. morsei; b and e X 3 2 > the others by 21. 



(After Hebard.) 



KEY TO SPECIES OF GYMNOSCIRTETES. 



o. Smaller, length of body, male, 13.5 15 mm.; apex of subgenital plate 

 of male slightly elevated into a minute erect tubercle; cerci straight, 

 suberect, tapering from base to apex, as long as the supra-anal plate 

 (Fig. 117, a, b. c.) 138. PUSILLTJS. 



aa. Larger, length of body, male, 14.2 16.2 mm.; apex of subgenital plate 

 strongly elevated in a large, medio-dorsal projection, which is fully 

 twice as long as broad, with apex blunt and directed "dorso- 

 cephalad;" cerci much longer, subfalcate (Fig. 117, d. e. /.) 



139. MORSEI. 



138. GYMNOSCIRTETES PUSILLUS Scudder, 1897, 15. Little Wingless Locust. 



General color dull greenish-yellow; face pale brown; sides with a broad 

 shining blackish-brown stripe extending from eyes back along the upper 

 halves of lateral lobes of pronotum to beyond middle of abdomen; dorsal 

 surface of abdomen and pleura fuscous; hind tibiae pale dull green, the 

 spines black, paler at base. Occiput and disk of pronotum finely alutace- 

 ous. Prosternal spine erect, slender, tapering to a rather acute apex. Su- 



