644 Mr. W, L. Distant on new 



OJopcea degiacomiij S]). n. 



Hcadj pionotuni, and mesonotum black ; a spot at apex of 

 front, a spot on eacli lateral margin, and a broken irregular 

 basal fascia to vertex testaceous, the latter containing a small 

 black spot on each side; pronotum with the lateral and basal 

 margins, posterior lateral margins of mesonotum, the cruci- 

 form elevation, and abdomen above and beneath, testaceous ; 

 head beneath, sternum, legs, tympanal coverings, and oper- 

 cula black ; anterior central spot to face, a marginal spot 

 between face and ejes, anterior margins of cheeks, rostrum, 

 coxse, a subapical annulation to anterior femora, apices of all 

 llie femora, a subbasal annulation to the intei'mediate tibia3, 

 the whole of the posterior tibipc (excluding base), and the 

 posterior tarsi, testaceous ; tegmina and wings creamy 

 hyaline, the venation black or fuscous ; tegmina with the 

 costal membrane and costal area, basal cell, the oblique vein 

 at apex of radial area, and the transverse veins at bases of 

 apical areas distinctly black ; wings with the inner and outer 

 margins of abdominal area, and a narrow posterior margin, 

 distinctly black; tympanal coverings outwardly complete, 

 the orifices only exposed inwardly; opercula in male short, 

 transverse, not extending beyond base of abdomen, and almost 

 meeting inwardly ; rostrum reaching the posterior coxa3 j 

 head (including eyes) about equal in width to base of meso- 

 notum ; pronotum with the lateral areas broadly, subangularly 

 produced. 



Long., excl. tcgm., J" 37 mm. ; cxp. tegm. 101 mm. 



Hah. Brazil; Santos (coll. Dr. de Giacomi). 



The nearest ally of this (distinct species is 0. strijipennis, 

 Walk., from Haiti. 



UlILEROIDES, gen. nov. 



c? . Head slightly shorter than pronotum, front considerably 

 shorter than vertex, lateral margins of both nearly con- 

 tinuous and both centrally, longitudinally finely sulcate ; 

 ocelli a little farther apart from eyes than from each other, 

 vertex impressed between ocelli and eyes, the latter scarcely 

 projecting beyond the anterior pronolal angles : pronotum 

 shorter than mesonotum, the lateral margins moderately 

 ampliate but not angulate ; mesonotum shorter than head 

 and pronotum together; abdomen about as long as space 

 between apex of bead and base of cruciform elevation ; 

 tympanal coverings globose and projecting beyond the lateral 

 margins of the abdomen, outwardly comi>lete, the orifices 



