HEAIIPTERA ,21 



of nervures, including stigma (except a short black stripe internally), pale flavescent. 

 Tegmina hyaline, costal margin and tegulae sordid flavescent. Head beneath, sterna 

 and legs pallid except the brownish femora tibiae. Abdomen black, lateral and apical 

 margins pallid. Tegmina with mi.xed hairs. Vertex slightly produced in front of the 

 eyes, anterior transverse margin almost truncate, slightly rounded or obtusangular, 

 lateral margins a little longer than the space between the eyes at base, about \ wider 

 than vertex anteriorly. V^ertical fossette distinctly bicarinate (the keels outwardly 

 curved), dorsal margin of forehead truncate. Eyes together five-eighths wider than 

 vertex. Ulnar nervure furcate nearer the apex of the wing than is the furcation of the 

 radial ' ; lateral margins of tegmina subparallel. interior margin scarcely ampliate near 

 the apex, length of tegmen a trifle more than three times its middle breadth. Costal 

 area not spotted. First segment of posterior tarsi 3^ times as long as the second. 



^. Rostrum reaching almost to apex of genital segments. 5th abdominal sternite 

 straight apically, 6th obtusangularly emarginate. 



if. Rostrum reaching beyond apex of 6th abdominal segment. 4th abdominal 

 sternite apically straight, 5th slightly obtusangularly emarginate, 6th profoundly 

 angularly emarginate, the middle concealed by the 5th, the lateral one-fifth straight. 

 Terebra long, acuminate, reaching nearly as far as apex of ultimate tergite. ist genital 

 sternite almost rectangularly emarginate medianly, with a square-ended process. 



T;. Long. 7^ mm. (to apex of abdomen) ; lof mm. (to apex of tegmina) ; expanse 

 [9 mm. 



%. Long. 8 and i 2^ mm., expan.se 24 mm. 



Hab. Kauai, 2000 to 4000 ft. (January, February, Jul)-, August, October), high 

 plateau (August) ; Halemanu, 4000 ft. (May). 



(2) Olianis kanakamts, sp. no\\ 



Plate IV. fig. 5. 



Allied to O. /an/c/iaiiic/ni but smaller, darker, tegmina not so elongate, vertex 

 narrower apically. 



Black, the interolateral margins of vertex more or less widely, and entirely, genae 

 and pronotum more or less ; margins of tegulae, apical margin of 4th abdominal tergite, 

 apical margins of first three or four abdominal sternites, coxae, metasternum more or 

 less, — pallid. Rostrum and legs sordid fuscotestaceous. Tegmina hyaline, nervures 

 white and brownish in wide alternate rings. Stigma black, more or less whitish 

 internally. Clavus immaculate or with two to three brownish-black spots. Nervures 

 with mixed hairs. Co.stal area spotted or at least discoloured. Lateral margins of 

 vertex apically converging, nearly three times as long as apical width between them 



' The extent of the remoteness is a little variable. 



16 — 2 



