584 FAUNA HAWAIIENSIS 



var. rubescens Kirkaldy, 1907, op. cit. p. 161. 



Similar to the type and found with it, but larger and with a rosy brownish tinge. 

 Length ? 4. ¥ 5 ^m. 



Nymphs green tinged with roseate. 



I have examined some numbers of this sometimes common hopper, but have never 

 found a brachypterous form. 



(2) Nesosydne pipttiri Kirlcaldy. 

 Nesosydne pipturi Kirkaldy, 1908, op. cit. p. 202, PI. iv. fig. 3. 



<?. Head, pronotum and scutellum fuscous or blackish, with pale keels, the dorsal 

 one broadly so and rather suffused. Antennae, clypeus, sterna and legs pale ; femora 

 partly fuscous. Tegmina whitish hyaline, a fuscous smudge across the middle third, 

 accentuated by the radial and brachial veins being blackish medially and the ape.x of the 

 clavus also blackish ; sometimes the darkening is continued more or less to the apex of 

 the clavus. Abdomen pale sanguineous, with a few scattered blackish marks. Head 

 dorsally scarcely reaching in front of the eyes, apical margin smoothly rounded ; frons 

 very smooth, keels almost obsolescent, except as pale lines. Second segment of 

 antennae |^ths longer than the first. Labium reaching to the base of the hind trochanters. 

 Lateral margins of pronotal keels curving outwards, but reaching hind margin. Tegmina 

 rounded apically, not extending as far as apex of abdomen ; with two or three apical 

 cells. Spur with 7 — ^8 spines, first segment of hind tarsi much longer than the 

 other two. 



%. Pale yellowish, intracarinal areas of vertex and frons rather irregularly fuscous, 

 not so deeply or entirely as in the Z- Tegmina hyaline, veins pale yellow, a short black 

 line on the commissure. Tergites sometimes lightly stained with fuscous. Length ^ i|-, 

 % 2\ mm. 



Easily distinguished by the smooth, wide, somewhat polished frons, with scarcely 

 raised keels and by the green nymphs. 



t. Genital styles broad, constricted medially, flatly bifid apically. 



Nymphs pale green, paler beneath. Labium reaching to middle of the hind 

 trochanters. Spur with seven spines. 



Hab. Oahu, N.W. Koolau range (825, 786, Perkins, 3 ti)> Tantalus T500 — 

 2000 ft. (Feb., May, Aug., Oct., Perkins, Giffard, Kirkaldy, Swezey, Terry), Kona- 

 huanui ridge (Feb., Swezey, Jan., Kirkaldy), on Mamake {Piptunis albidtis); Molokai, 

 Pelekunu (Oct., Perkins, 3 ??). 



(3) Nesosydne halia Kirkaldy. 

 Nesosydne halia Kirkaldy, 1908, op. cit. PL 4, fig. 8. 



$. Pale luteous ; frons between the keels, pronotum and scutellum (usually except 

 the keels), dark fuscous. Tegmina cinereohyaline, entire margin pale luteous ; with a 



