258 REPORT OF STATE GEOLOGIST. 



roxmded. Tegmina narrow, extending beyond the abdomen; the 

 apical half membranaceous, the intercalary vein running midway 

 between the median and ulnar veins. Inner wings pellucid, the veins 

 but slightly swollen. Hind femora of medium size, sur^Dassing the 

 abdomen in the male, a little shorter in the female. Ovipositor as 

 in Arphia. 



Two species of the genus occur in the United States, one of which 

 inhabits Indiana. 



40. Chortophaga viridifasciata (DeGeer). The Green-striped Locust. 



Arnjdium rmdlfmcialHm DeG., 57, HI, 1773, 498, Plate 42, Fig. 6. 



lAtciuiUi {Tragorcphala) liridifnt^ciaia Harr., 7 1, 1841, 147; Id., 72, 

 1862, 182, Plate HI, Fig. 2. 



Tragocephala riridifasckUa Scxidd., 14 1, VII, 1862, 461; Id., 150, 

 XVn, 1875, 481; Id., 153, IV, 1875, 80; GIov., 62, 1872, Plate 

 V, Fig. 9; Thorn., 206, V, 1873, 103, Plate I, Fig. 3; Id., 2 11, 

 IX, 1880, 105, Figs, 13, 17; Stal., 200, I, 1873, 119; Riley, 

 117, Vm, 1876, 149, Fig. 46; Id., 2 1 4, I, 1878, 255, Fig. 94; 

 Id., 122, n, 1884, 203, Fig. 285. 



Chortophaga viridifaacinta Sauss. , 134, 1884, 72, Plate I, Figs. 7, 12; 

 Fern., 53, 1888, 40, Fig. 15; Bl., 4, XXIH, 1891, 76; McN., 

 88, VI, 1891, 62; Beut., 3, VI, 1894, 295, Plate Vm, Fig. 9; 

 Morse, VIU, 99, 1897, 35, 64, Plate 2, Fig. 18; Lugg., 84, 

 1898, 144, 147, Figs. 83-85; Scudd., 188, 1900, 31. 



Locusta {Tragocephala) hifusenta Ha.rr., 72, 1862, 181. 



TragocepJialamfitsrata Bcudd., 14 1, VU, 1862, 461; Glov., 62, 1872, 

 Plate X," Fig. 10; Thorn., 206, V, 1873, 102, Plate I, Fig. 7. 



Tragocephala viridifasciata infimcata Scudd., 150, XVIII, 1875, 481; 

 Thorn., 211, IX, 1880, 106. 



(Jhortupluiga viridifasciata infuscata BL, 4, XXIII, 1891, 76. 



Locusta {Tragoceplmla) radiata Harr., 72, 1862, 183. 



Tomonotus zimmennanni Snwss., 128, 11, 1861, 23. 



Color dimorphic, either largely green with a small amount of 

 brown upon the tegmina (viridifasciata) or wholly brown (infuscata). 

 Specimens are common, however, which can be referred to either 



Fig. 50. Chortophaga viridifanciata (De(jeer). Nymph and adult female. 

 (After Riley). 



form, the color being a mixture. In the more pronounced green ex- 

 amples, the head, pronotum, outer face of hind femora and the basal 

 two thirds of the median field of the tegmina are grass green; the 



