New Species of Sierola, With Explanatory Notes. 145 
Described from one female (type) collected in Palolo Valley, Oahu, 
by D. T. Fullaway, September 8, 1912. 
Type: Cat. No. 144, Bishop Museum. 
145. Sverola bridwelli n.sp. 
2 unusually long; shining black, legs and antenne yellowish brown to 
fuscous. 
Head and thorax to the propodeum with a microscopically fine and 
delicate reticulate surface sculpture; fairly closely and coarsely punctate, 
the punctuation finer on the thorax; hairy clothing short and inconspicuous. 
Head longer than wide, width between the eyes more than the length from 
eye to vertex, Iength in front of the eyes not great; convex above, depressed 
in front, a little tumid beneath; vertical margin straight, temples rounded, 
eyes flatly convex; antennze not much longer than the head, pedicel and 
first funicle segment a little longer than wide, the following segments as 
wide as or wider than long, antennal fosse deep; clypeus carinate, apically 
depressed, hardly projecting 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 and 
sides of the head flatly convex, the former medially foreshortened, as wide 
as long, narrowing behind, median furrow nearly effaced, anterior margin 
almost straight, deeply notched at the sides by the base of the mandibles, 
posterior margin incised; propodeum finely rugulose; abdomen ovate, api- 
cally acuminate, smooth and polished; wings subinfuscate, with a faint yel- 
lowish brown pigmentation; length 3.5 mms. 
Described from two females (type and paratype) collected in the 
S. E. Koolau Mountains, Oahu, by J. C. Bridwell, 1916. 
Type: Cat. No. 145, Bishop Museum. 
146. Sierola depressa u.sp. 
Plate XVI, Figure 8. 
Depressed to an extreme degree; shining black, the legs basally and 
the antenne fuscous, tibize and tarsi yellowish brown. 
Head and thorax with a microscopically fine and delicate reticulate sur- 
face sculpture; finely, shallowly and fairly closely punctate; clothed with 
short, fine, silvery white hairs. Head wider than the thorax, longer than 
wide by a half, length from eye to vertex equalling the width between the 
eyes; flat above and beneath; vertical margin straight, temples rounded, 
eyes flatly convex; antenne longer than the head, all the segments longer 
than wide, antennal fossze deep; clypeus short, carinate, apically depressed, 
hardly projecting in front of the anterior margin of the head, which is angu- 
late, not transverse, declivous at the sides, the carina extending backward 
shortly on the top of the head; mandibles slender, curved, truncate apically 
and toothed, base touching the eye above; gula flat, hardly foreshortened, 
longer than wide, median groove nearly effaced, anterior margin straight, 
posterior margin arcuately concave; prunotum elongate; abdomen broken : 
wings hyaline; length 2 mms. 
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