I JO FAUNA HAWAIIENSIS 



$. Seventh segment above, apically rounded (no genital segments visible), a little 

 longer than the sixth ; beneath sinuately rounded. 



$. Seventh segment above shorter than the sixth, apically sinuately truncate, 

 emarginate in the middle. 



(i) Ithamar hawaiiensis , sp. nov. 



Plate V. fig. 46. 



Pale flavocinereous ; vertex with a U, the sides narrowly passing between ocellus 

 and eye, a median line on anterior half of pronotum, lateroposterior angles of the latter, 

 abdomen above (except connexivum and sometimes apex more or less, pallid), apex of 

 second segment of antennae, spines of posterior femora, apex of posterior tibiae, third 

 sesfment of tarsi and claws in all letjs — black or blackish. Head beneath and sterna 

 pale fulvotestaceous, abdomen beneath and legs pale griseoflavous, posterior femora 

 generally more or less spotted with black. Fourth segment of antennae brownish ; 

 corial nervures brownish or reddish-brown. Connexivum Havostramineous, internally 

 margined narrowly with sanguineous. 



$. Genital segments sanguineous. 



Z. A trifle smaller usually than %. 



Long. 8^ — 9^ mm. (to apex of abdomen); 9 — 10 mm. (to apex of elytra); lat. 

 2 — 2| mm. 



Hab. Maui, Haleakala, 7000 — 10,000 ft. (May); Lahaina, 2000 ft. (January), 

 Perkins. — Molokai Mts., 3000 ft. (June). — Oahu, S. E. Coast (January). 



Rhopalus Schilling. 



AV/t;/rt/«.y Schilling, 1829, Beitr. Ent. Schles. i. p. 26; Fieber, 1861, Europ. Hem. 



p. 232. 

 Corizus Signoret, 1859, Ann. Soc. Ent. France, p. 75; Lethierry and Severin, 



1894, Cat. gen. Hemipt. 11. p. 115. 

 Cosmopolitan ; several species recorded from the early Tertiaries. 



(i) ? Rhopalus hyalinus, Fabricius. 



Lygaetis hyalinus Fabr., 1794, Ent. Syst. iv. p. 168. 



Three specimens are doubtfully referred to this widely spread form. 



Hab. Hawaii, Kona, 2000 ft. (April), one example. — Oahu, Waianae Coast 

 (April), two examples. 



