SUBFAMILY I. PSEUDOMOPIN^E. 79 



and pronotal disc shining blackish-brown; average length of body, 



$, 11.3; of tegmina, 12.7 mm. 19. BOLLIANA. 



aa. Female with inner wings present, often very short, and tegmina not 



as above; male with one or more of dorsal segments modified. 

 li. Tegmina of female strongly abbreviated, covering not more than 

 one-half the abdomen; males with disc of pronotum not distinct- 

 ly darker than sides and nearly uniform in color with tegmina. 

 c. Females shining blackish-brown, their tegmina subtriangular. 

 separated by a space equal to one-fourth their width, their hind 

 margins oblique; males pale brownish-yellow, their tegmina 

 much wider than pronotum, their supra-anal plate only twice 

 as broad as long, its apex broadly rounded; median dorsal ab 

 dominal segment of male with two raised ridges at middle 

 each bearing on basal portion a heavy tuft of hairs ( Fig. 37, 

 A.); average length of body, $, 15.3, of tegmina, 17 mm. 



20. UHLERIANA. 



cc. Females reddish-brown or brownish-yellow, the abdomen often 

 darker, their tegmina subquadrate, slightly overlapping; males 

 almost uniform brownish-yellow in hue. 



d. Length of body, $, not over 16.5, of tegmina, not over 17 mm., 

 females with tegmina covering only basal third of abdomen, 

 their hind margins almost squarely truncate; tegmina of 

 male but slightly wider than pronotum. 



e. Smaller and more slender, average size of pronotum of fe- 

 male, 3.5x4.4 mm.; male with a large area at middle of 

 median dorsal abdominal segment supplied with minute 

 scattered hairs (Fig. 37, C.) and with supra-anal platt 

 four times as broad as long, squarely truncate; pronotum 

 of male elliptical, widest at middle, not distinctly nar- 

 rowed in front; average length of body, $, 13, of tegmina, 

 15 mm. 21. VIRGINICA. 



ee. Larger and broader, average of pronotum of female, 4x5.6 

 mm.; modified abdominal segment of male much as in 

 uhleriana; pronotum of male longer, more narrowed in 

 front, widest slightly behind the middle; average length 

 of body, $, 14. G; of tegmina, 15.7 mm. 22. FULVESCK.XS. 

 del. Length of body, $, 17.521.5, of tegmina, 17.822 mm.; fe- 

 males with hind margins of tegmina broadly rounded; mid- 

 dle of median and first dorsal abdominal segments of male 

 each with two feeble elevations convergent in front and sup 

 plied with a heavy tuft of hairs (Fig. 37, D.) ; average size 

 of pronotum of $ , 5.4x7.5 mm. 23. LATA. 



66. Tegmina of female much less abbreviated, reaching beyond middle 

 of abdomen, their tips never truncate; those of male delicate in 

 structure and fully developed. 



f. Tegmina of female not surpassing the abdomen, sustained flight 

 impossible; disc of pronotum of male, at least in part, darker 

 than sides. 

 g. Dorsal surface of abdomen dull yellow, banded with brown; 



