72 JOURNAL, OF ENTOMOLOGY AND ZOOLOGY 



Male somewhat smaller and darker and showing a clouded 

 brown i)atch behind middle of tegmina. 

 Type — Female. 



Length, including tegmina, female, 3.5 mm. ; male, 3.3.3 mm. 

 Width at humeral angles, female, 1.5 mm. ; male, 1.33 mm. 

 Habitat — Los Banos. Collected by C. F. Baker. 



XV. Sipylus nodipennis sp. nov. 

 (Fig. 5) 



Body subtriangiilar. Pronotum slightly wider between the 

 humeral angles than the distance from the anterior convexity 

 to the extremity of the posterior process. Body, legs and head 

 uniform ferruginous brown covered with thick yellow pubes- 

 cence. Head very short and broad ; ocelli farther from each 

 other than from the eyes. Eyes yellow. Pronotum convex, 

 humeral angles strongly auriculate and wide at extremities; 

 two large tu1)ercules between humeral ears and extremity of 

 posterior process, the first larger, the second darker in color; 

 posterior process triangular, as broad as long, very obtusely 

 ridged in the middle, not quite attaining the internal angle of 

 the tegmina. Tegmina broad, rounded at apex, subhyaline, 

 punctate at base, veins with very prominent brown nodules. 

 Posterior trochanters armed with strong teeth. 



Males smaller and darker in color. 



Type — Female. 



Length, including tegmina, female, 3.75 mm. ; male 3 mm. 



Width at humeral angles, female, 3.5 mm. ; male, 2.75 mm. 



Habitat — Los Banos. Collected by C. F. Baker. 



Cenfrotoscelus gen. nov. 

 Scutellum distinct. Pronotum unarmed above lateral angles. 

 Posterior process extending beyond the scutellum, impinging 

 on scutellum and tegmina, slightly concave before extremity 

 and reaching just beyond the internal angles of the tegmina. 

 Hind wings with three apical areas. Posterior trochanters 

 armed with teeth on the internal margin. Body much longer 

 than wide. 



