OKTHOPTERA OF INDIANA. 291 



Schi^tocerca americana Bran., 22, I, 1885, 136; Id., 28, XXVIII, 1893, 

 10, Fig. 1; Id., 30, 1893, 462, Fig. 106; Id., 3 1, 1894, 168, 204, 

 Fig. 66; Id., 34, 1896, 122, Fig. 24; Id., 35, 1899, 133, Fig. 75; 

 Id., 36, 1899, 270, Fig. 63; BL, 4, XXUI, 1891, 79; Id., 9, VI, 

 1893, 466; Id., 16, 1899, 238, Fig. 63; How., 75, YU, 1895, 

 220, 429, Figs. 19-22; Weed, 222, 1897,67, Figs. 21-25; Lugg., 

 84, 1898, 174, Figs. 105, 106; Morse, 100, VIII, 1898, 255, 271; 

 Scudd., 184, XXXIV, 1899, 447, 474; Id., 188, 1900, 47. 



Size large, the female often two inches or more in length. Vertex 

 hexagonal, the disk a little depressed. Frontal costa prominent, sul- 

 eate in the middle below the ocellus; a little narrowed below point 



Fig. 62. Schistocerca americana {Drury) . Male. (After Lugger). 



of union with the vertex. Antennse but little, if any, longer than 

 head and pronotum together. Disk of pronotum flat on metazona, 

 the sides rounded and sloping on prozona, the surface marked with 

 minute shallow cells, or densely punctate, the hind margin broadly 

 rounded. Tegmina exceeding the abdomen one-fourth or more their 

 length in both sexes. Hind femora slender, reaching tip of abdomen. 

 Spine of prosternum large, curved somewhat backward. Notch of 

 sub-genital plate of male narrow but deep. 



Color, reddish brown, often with a slight vermilion tint. A yellow 

 stripe extends from the vertex along the middle of head, pronotum 

 and closed tegmina as far as the tip of the abdomen. A dark brown 

 line runs from the lower side of eye down the cheek. Sides of pro- 

 notum with a broad yellowish stripe on upper third and a short and 

 narrow yellow dash near the center; the lower margin yellowish. 

 Tegmina with numerous large dark brown spots, separated by light 

 interspaces; the costal or lower margin whitish yellow, mottled with 

 darker. Wings transparent, the nerves of basal portion yellowish. 

 Outer face of hind femora reddish brown, with one or two dark 

 streaks along the upper third. Hind tibise vermilion red, duller in 

 dried specimens; the spines yellow, tipped with black. 



Measurements: Length of body, male, 42 mm., female, 50 mm.; 

 of antennge, male, 13 mm., female, 14 mm.; of pronotum, male, 9 

 mm., female, 11 mm.; of tegmina, male, 43 mm., female, 53 mm.; of 

 hind femora, male, 24 mm., female, 30 mm. 



