120 New Species of Sierola, With Explanatory Notes. 
95. Sterola polita n.sp. 
@ dull shining black; legs and antennze brown, the latter fuscous out- 
wardly, the former basally. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture; shallowly, closely and fairly coarsely punctate, and hairy. Head longer 
than wide by a half, width between the eyes a little more than the length 
from eye to vertex; flat above, depressed in front, convex beneath; vertical 
margin straight, temples rounded, eyes flatly convex; antenne not much 
longer than the head, pedicel longer than wide, following segments as wide 
as or wider than long, antennal fosse deep; clypeus carinate, apically 
depressed and projecting slightly in front of the anterior margin of the 
head, declivous at the sides, the carina extending backward on the top of 
the head beyond the base of the antenne; mandibles stout, curved, concavo- 
convex, truncate apically and toothed, base not quite reaching the eye; gula 
convex, somewhat foreshortened medially, as wide as long, anterior margin 
arcuately concave, posterior margin incised, median groove nearly effaced; 
abdomen ovate, smooth and polished; wings subinfuscate; length 2.25 mms. 
Described from two females (type and paratype) collected at Kuliouou, 
Oahu, by P. H. Timberlake, June 25, 1916. 
Type: Cat. No. 95, Bishop Museum. 
96. Sierola lanihuliana n.sp. 
@ dull shining black; legs and antennze fuscous, the former yellowish 
brown outwardly, the latter basally; mandibles reddish brown except at the 
base. 
Head and thorax to the propodeum with a microscopically fine reticu- 
late surface sculpture, much coarser on the head; shallowly, closely and 
rather coarsely punctate on the head, the punctuation finer on the thorax; 
hairy clothing inconspicuous. Head wider than the thorax, a little longer 
than wide, width between the eyes a little more than the length from eye to 
vertex, length in front of the eyes not great; flat above, tumid beneath, the 
greatest depth beneath the posterior end of the eye; vertical margin straight, 
temples rounded, eyes flatly convex; antennz reaching the mesoscutum, all 
the segments longer than wide, antennal fosse deep; clypeus short, carinate, 
apically depressed and projecting slightly in front of the anterior margin of 
the head, sloping at the sides, the carina extending backward shortly on the 
top of the head; mandibles stout, curved, concavo-convex, truncate apically 
and toothed, base not quite reaching the eye, lower angle protuberant; gula 
convex, medially foreshortened, wider than long, anterior margin arcuately 
concave, posterior margin incised; propodeum finely rugulose; abdomen 
ovate, apically acuminate, smooth and polished; wings subinfuscate, with a 
faint yellowish brown pigmentation; length 2.75 mms. 
Described from one female (type) collected at Lanihuli, Oahu, by P. H. 
Timberlake, September 3, 1918. 
Type: Cat. No. 96, Bishop Museum. 
97. Sierola nigrita n.sp. 
@ dull shining black; legs and antennz fuscous, the latter more or less 
| 66 | 
