154 FAUNA HAWAIIENSIS 



2a. Antennae slender 



3. Elytra coriaceous, membranal nervures stout, usually with numerous very 



sh ort 1 iranches 4- 



3<7. Elytra submenibranous, subiridescent, nervures slender, not or scarcely 



branching 6. 



4. Small, slender, cinereous elytra (j) hlackbund, White. 



4(7. Small, stout, purplish-brown elytra {4) morai Kirk. 



^b. Large, elongate 5- 



5. Corium yellow, apically dark reddish (i) sharpianus Kirk. 



5(7. Corium reddish or cinereous (d) jzcMz/w, White. 



6. Elytra stouter, reddish or pale reddish cinereous [2) tarai Kirk. 



6(7. Elytra very thin, pale greenish or yellowish testaceous (/) innctatus, White. 



(i) Rcdjiviobis innotatus, F. B. White. 



Nabis innotatus F. B. White, 1877, Ann. Mag. Nat. Hist. (4) xx. p. 112. 



Plate V. fig. 32. 



Recognized by the pale silvery-green colour, (usually) immaculate scutellum, and 

 thin, iridescent elytra. 



Hab. Hawaii, Kona (common), 2000 — 6000 ft. (July to September), Kilauea 

 (August). — Oahu, Waianae Mts. (April). 1 have seen 25 examples. 



(2) Reditvioliis tarai, sp. nov. 



Plate V. fig. 40. 



Closely allied to R. innotatus but ruddy-tinged, the elytra stouter and with the 

 nervures more pronounced and the male hook is slightly different. 



Elongate, pale sanguineotestaceous (sanguineous colour more pronounced on 

 head, thorax and elytral nervures). Elytra immaculate, membrane hyaline subiridescent, 

 nervures pale cinereous. Scutellum immaculate. Under side pale flavo-testaceous, 

 sterna more or less tinged with sanguineous. Head as long as pronotum, nearly twice 

 as long as width of anterior margin of pronotum, base 2f wider than anterior margin. 

 Width across eyes slightly more than anterior margin. First segment of anterior 

 third greater than head, second three-eighths greater than ist, slightly greater than 

 third, which is one-half greater than fourth. 



Posterior femora slender, anterior femora comparatively slender. Central area of 

 membrane with two longitudinal streaks, no offshoots. 



Long. 7^ — 9 mm. ; lat. \\ — 2\ mm. 



Hab. Hawaii, Kona, 5000 ft. (June); Lanai, 2000 ft. (February); Molokai, 

 3000 ft. (June). — Oahu, Waialua, Koolau range (March). — Kauai, Halemanu (May). 

 I have seen eight specimens. 



Varies a little in degree of sanguineousness. 



