78 



22(21). Tegmina elongate. Length, SVs mill. KAUAI, (2000-3000 

 ft.) 10. pluvialis, sp. nov. 



23(20). Veins black, or at least the median brachial, and apical 



ones). Length, 7 mill. KAUAI, (Halemanu, 4000 ft.) 



II. nubigenus, sp. nov. 



24(19). Veins on basal % pale, sometimes with dark granules. 



25(28). Costal margins of tegmina more parallel. 



26(27). Exterior keels of mesonotum subparallel with the interior 



pair. Length, 5 mill. OAHU, rKonahuanui, O. H. S.) . . 



12. silvicola, sp. nov. 



27(26). Exterior keels of mesonotum straight, angulate basally. 

 Length, 6-7 mill. HAWAII, (Kilauea and Olaa) ; MAUI, 

 (Lahaina coast) 13. montivagus, sp. nov. 



28(25). Costal margins of tegmina well rounded. Length, 7 mill. 

 OAHU, (Kawailoa gulch); MOLOKAI, (400014500 ft); HA- 

 WAII, )Hualalai, 5000 ft., Olaa, Kilauea). F. H., 120 and 

 124, PI. 4, f. 11 14. koanoa Kirkaldy. 



29(10). Tegmina maculate. 



30(33). Vertex truncate apically. 



31(32). Mesonotal keels castaneous; tegmina scarcely more than 

 twice longer than wiSe, hyaline, veins on basal % pale, 

 graniiTes pale brown, tegmina sparingly spotted with pale 

 brown. Length, 5 mill. OAHU, (Kaala, 3500 ft., on Acacia 

 koa) 15. acaciae, sp. nov. 



32(31). Mesonotal keels black. Tegminal veins almost entirely 

 black! clavus with 3 black spots, rest of tegmen spotted 

 with yellow fuliginous. Length, 9 mill. MAUI, (Haleakala, 

 5000 ft.) 16. haleakalae, sp. nov. 



33(30). Vertex rounded or subangular apically. 



34(35). Costal margins pale brown; tegminal veins particolored on 

 basal half; tegmina scarcely more than twice as long as 

 broad, on" basal half; tegmina scarcely more than twice as 

 long as broad. Length, 6 mill. MAUI. (Haleakala, 5000 ft.) 

 17. monticola, sp. nov. 



35(34). Tegmina about 21/2 times as long as broad; costal margins 

 black and white alternately (also radial, etc.) Length 8 

 mill. OAHU, (Tantalus) 18. kaohinani, sp. nov. 



36(9). Females. 



37(42). Tegmina more or less fuliginous, or at least strongly yel- 

 lowTsh; not speckled. 



38(441. Mesonotum at least dark castaneous, generally blackish. 



39(40). Tegmina dark fuliginous, except a small part of the costal 

 area 6- mora! Kirkaldy. 



41(38). Mesonotum pale 'castaneous; tegmina varying from yellow- 

 ish to dark fuliginous 



13. montivagus, sp. nov., and 7. kaonohi, sp. nov.* 



42(37). Tegmina not fuliginous, or only spottedly so. 



43(50). Tegmina immaculate. 



44(47). Length not less than 7 mill. 



45(46) Veins on basal % of tegmtha pale brown, granules dark. 

 KAUAI, (4000 ft.) 19. silvestris, sp. nov. 



* At Kilauea (of Hawaii) there is a similarly coloured form, 7% 

 mill, long; vertex shorter and broader, of which I do not know the 

 male. It may be called var. volcanicola nov. (of kaonohi). 



