SUBFAMILY II. OEDIPODIX.E. 259 



cavity; foveola distinct, elongate, triangular; frontal costa nar- 

 row, strongly silicate throughout, male, only above ocellus, female, 

 the sides converging on upper third to meet those of vertex; an- 

 tenna? equalling head and pronotum together, female, a third 

 longer, male, the joints of apical half moderately flattened; pro- 

 notum with front margin truncate, hind one forming a rather 

 sharply marked right angle; median cariua distinct, slightly 

 higher on prozona, cut by the principal sulcus into two nearly 

 equal halves, lateral carina? plainly visible only on metazona, the 

 latter with disk flat, feebly rugose; lateral lobes of pronotum 

 deeper than long, their disks concave, much wrinkled, front and 

 hind margins nearly vertical, lower one with its posterior half 

 rounded, front one oblique, ascending; tegmina rather broad and 

 short, their tips broadly rounded, slightly surpassing abdomen in 

 both sexes; intercalary vein distinctly nearer the ulnar than the 

 median vein; hind femora a little shorter than abdomen, female, 

 slightly surpassing it, male; valves of ovipositor distinctly ex- 

 serted. 



To Encoptoloplms, as above defined, Kirby (1910, 200) ac- 

 credits 11 species, nine from the United States and two from Mex- 

 ico. But one of them inhabits our territory. 

 111. ENCOPTOLOPHUS SORDIDUS (Burmeister), 1838, 643. Clouded Locust. 



Rather short, robust, the males distinctly the smaller. Color dull 

 rusty, yellowish or smoky brown, varied with small mottlings of darker 

 and lighter shades; pronotum in living specimens often with a distinct 

 pinkish-buff x-shaped mark on its disk; antennae pale brown at base, the 

 apical half darker. Tegmina with two pale transverse bars on middle of 

 sides, which contrast plainly with the larger dark patches between and on 

 either side of them. Wings transparent, yellowish at base, outer half 

 smoky brown, the apex darker, the veins next the costal margin distinctly 

 swollen. Hind femora indistinctly banded with dull yellowish and dark 

 brown ; hind tibiae fuscous-brown with a pale ring near base. Structural 

 characters as given above. Length of body, $, 19 22, 9, 24 32; of an- 

 tennae. $, 1112, 9, 89; of tegmina, $, 1719, 9, 2125; of hind fe- 

 mora. $, 1113.5, 9, 14 1C mm. (Fig. 94.) 



The clouded locust is common throughout Indiana, maturing 

 in the central portion about August 1, from eggs hatched in spring, 



and existing till December 1, pro- 

 vided the autumn is a favorable 

 one. Tt frequents only dry up- 

 land timothy and clover mea- 

 dows, blue-grass pastures, road- 

 Fig. 94. Male. (After Lugger.) Sl(leS < et( '" Wllen livin g WOOd- 



land pastures it frequents sunny 

 spots, seldom alighting in the shade when flushed. The male strid- 



