344 ENTOMOLOGICAL NEWS [Nov., 'l8 



This genus borders on the Cladonotinae, as evidenced by 

 the widely forked scutellate frontal costa ; however, the other 

 general characters present, perhaps, a greater leaning toward 

 the Tettiginae. 



Type: Cavotetti.r nullisinus sp. nov. 



Cavotettix nullisinus sp. nov. (PI. XX, figs. 1, la). 



9 . Description drawn from type. Stature moderately small, above 

 coarsely granulate-rugose, sparingly scattered with tubercles on the 

 disc of the pronotum. 



Antennae short, eyes moderately small but prominent, head having 

 the cheeks depressed below the antennae. Vertex nearly twice the 

 width of one of the eyes, the median carina prominent, compressed 

 and elevated above the eyes, arcuate and forming with the frontal 

 costa a subrounded advanced profile, yet flattened in front and sub- 

 sinuate between the eyes and below at the median ocellus ; frontal 

 carinulae of vertex interrupted and open in front on each side next to 

 the median carina, but outwardly curved and little compressed at the 

 sides next to the eyes ; surface of vertex between the eyes fossulate 

 forward and mammilate backward on each side, the occiput partly 

 covered behind ; frontal costa widely forked, sulcate and divergent 

 above between the eyes, widely separated and scutellate between the 

 antennae, between the latter, and below, the rami subparallel. 



Pronotum with the dorsum strongly tectiform, coarsely granulate- 

 rugose ; median carina sharply compressed, translucent, arcuate for- 

 ward before the shoulders, longitudinally flattened over the middle 

 area, and convex declivent toward the pronotal apex ; dorsal front 

 margin of pronotum truncate ; lateral carinae conspicuous, the humeral 

 angles very obtuse angulate ; hind process stout, abbreviated, scarcely 

 reaching to the knees of the hind femora; the lateral margins gradually 

 convergent backward to near the apex, where they more abruptly con- 

 verge to form an acute angle with an obtuse subtruncate apex, not 

 at all emarginate ; the anterior prozonal carinae behind the front border 

 little elevated and parallel ; sides of pronotal process with a broad 

 somewhat undulate scapular area, widest above the articulation of the 

 hind femora, narrowing backward to the apex ; lateral lobes of pro- 

 notum posteriorly bearing only one large inferior sinus, deeply angularly 

 excavate ; the superior or tegminal sinus rudimentary, represented by 

 a slight excavation nearly the length of the tegmina, and with a very 

 indistinct notching forward ; posterior angles of the lateral lobes 

 broadly rounded externally, the lateral inferior margins little dilated. 



Tegmina visible but very minute, the part showing narrow, and 

 nearly twice the length of one of the eyes, but lying partly covered in 

 the recess of the vestigial sinus ; wings rudimentary, only extending 



