134 FAUNA HAWAIIENSIS 



which O. perkinsi is vestured, are absent (except very rarely and sparingly on the head). 

 Vertex seven-ninths wider than one eye. 



Hab. Hawaii, Kilauea (July — September) ; Kona, 4000 ft. (July) ; Hualulai, 

 5000 ft. (August). — Maui, Haleakala, 5000 ft. (October). — Oahu, Pali (December), 

 Waianae coast (January). 1 have seen 48 examples, the majority from Kona and 

 Kilauea. 



(3) Orthotylns kanakmms, sp. nov. 



Plate V. fig. 27. 



Closely allied to O. iolani, but both sexes are largely fumate, and the males have 

 much larger eyes. 



Head, pronotum, scutellum, and elytra pale greenish or pale greenish-testaceous, 

 more or less fumate, clavus nearly always entirely so. Membrane darkly fumate. 

 Pubescence pale, unmixed (except very rarely, on the vertex). 



^. Width of vertex and one eye subequal. 



%. Width of vertex and one eye in same proportions as in O. iolani. 



Hab. Hawaii, Kilauea (July, August) ; Olaa (September). — Oahu, Pipturus back 

 of Tantalus (November). — Lanai, Koele Mts., 2000 ft. (January). — Maui, Haleakala, 

 5000 ft. (October). 



(4) Orthotyliis keke/c, sp. nov. 



Plate V. fia. 28 



to" 



Pale sanguineous (or sanguineo-fulvous) — including membranal nervures — with 

 mixed pubescence — pale and dark. Eyes, third apical segment of antennae, apical 

 segments of rostrum and of tarsi, bristles of posterior tibiae, blackish. Cuneus saturated 

 sanguineous, membrane subhyaline, immaculate. Ventral surface and legs pale testaceous, 

 femora pale sanguineous at the apex. Vertex submarginate basally. Second segment 

 of antennae five times as long as the first, twice as long as the third, which is very 

 slightly longer than the fourth. Rostrum reaching to posterior coxae. Posterior 

 tibiae five times as long as tarsi, third tarsal segment subequal to the other two 

 together. Pronotum immarginate, transversely impressed just behind the anterior 

 margin. 



Long. 3-4 mm. ; lat. 1-3 mm. 



Allied to O. perkinsi Kirk. 



Hab. Kauai, high plateau (August). 



