150 



OETHOPTERA. 



with ill-defined, irregular margin on the apical 

 half; hind femora not or obscurely barred ex- 

 teriorly 



ee. The fuscous markings of the apical half of the tegmiua 

 occupying fully three-fourths its area, arranged in 

 well-defined transverse bars nearly or quite crossing 

 the tegmina. 

 /. Dorsum of the prothorax with very prominent, often 

 sharp, rugosities j the fuscous band of the wings 

 very broad, not at all narrowed at the anal vein 

 ff. Dorsum of the prothorax with less prominent, though 

 coarse, dull rugosities ; the fuscous band of the 

 wing narrow, or if of medium width then distinctly 

 and considerably narrowed at the anal vein . 

 eee. The fuscous markings of the apical half of the tegmina 

 irregularly maculate with a tendency to a transverse 

 arrangement, but with ill-defined very irregular mar- 

 gins, and occupying perhaps half the whole area. 

 /. Dorsum of the prothorax more heavily and coarsely 

 rugulose; tegmina relatively long, distinctly sur- 

 passing the abdomen in the ? ; the darker tints 

 of the tegmina generally prevailing over the lighter, 

 particularly in the middle of the tegmina ; the 

 fuscous band of the wings relatively broad . . . 

 //. Dorsum of the prothorax less heavily and coarsely 

 rugulose; tegmina relatively short, not surpassing 

 the abdomen in the ? ; the darker tints of the 

 tegmina subordinate to the lighter, particularly in 

 the middle of the tegmina ; the fuscous band of the 



wings relatively narrow 



cc. S of small size. Tegmina of the $ shorter than the 

 abdomen ; area of the ulnar fork rarely filled with more 

 than a single row of cells and then only for a portion of 

 its length. Metazona plane above, with obscure or no 

 indentation anteriorly. Shoulder of the tegmina with 

 paler markings contrasting with the rest of the dark base ; 

 all the markings of the tegmina sharp and distinct. 

 d. Antennae of the ? almost as long as the pronotum ; pro- 

 notum of the ? nearly half as long again as its extreme 



dorsal width 



dd. Antennae of the $ considerably shorter than the pro- 

 notum ; pronotum of the ? but little longer than its 



extreme dorsal width 



bb. Antennae of the $ distinctly shorter than the hind femora, 

 apically attenuate for rarely more than one-eighth their 



[16. tigrinus, Scudd.] 



[17. leprosus, Sauss.] 



[18. paradoxus, Thorn.] 



[19. affrictus, Scudd. J 



20. toltecus, Sauss. 



[21. cupidus, Scudd.] 

 [22. pumilus, Scudd.] 



