New Species of Sierola, With Explanatory Notes. 99 
and one collected on Olympus mountain, Oahu, January 14, 1912, paratypes. 
Type: Cat. No. 52, Bishop Museum. 
53. Sierola fuscipes n.sp. 
@ dull shining black, the legs and antennz fuscous. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture; fairly closely and finely punctate; hairy clothing short and inconspic- 
uous. Head 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; 
convex above and beneath; vertical margin straight, temples rounded, eyes 
flatly convex; antennz a little longer than the head, pedicel longer than wide, 
following segments as wide as or wider than long, antennal fosse deep; cly- 
peus carinate, apically depressed and projecting slightly in front of the ante- 
rior margin of the head, declivous at the sides, the carina extending back- 
ward on the top of the head a little beyond the base of the antennze; man- 
dibles stout, curved, concavo-convex, truncate apically and toothed, base 
touching the eye above; gula and sides of the head convex, the former 
medially foreshortened, wider than long, anterior margin arcuately concave, 
posterior margin incised, abdomen elongate ovate, smooth and_ polished; 
wings with a fuscous pigmentation; length 2.5 mms. 
Described from five females (type and paratypes) from Kilauea, Ha- 
waii, dry forest, 4000 ft. elevation, three 9 9 collected by Giffard and Muir, 
November 1, 1917, and numbered 4, one of which is the type; in addition 
to the paratypes in this series, 1 2 collected by W. M. Giffard, July 6, 1018. 
and another @ collected June 12, 1990, and numbered 12, paratypes. 
Type: Cat. No. 53, Bishop Museum. 
54. Sierola flavipennis n.sp. 
Q depressed, flat; shining black, legs and antenne yellowish brown, 
mandibles apically reddish brown. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture; finely, shallowly and somewhat sparsely punctate; hairy clothing 
short and inconspicuous. Head wider than the thorax, longer than wide, 
width between the eyes equalling the length from eye to vertex, length in 
front of the eyes not great; rather flat above and beneath; vertical margin 
straight, temples rounded, eyes convex; antennze longer than the head, the 
pedicel and first funicle segment somewhat longer than wide, the following 
segments hardly so, antennal fosse deep; clypeus short, almost vertical, 
carinate, slightly projecting in front of the anterior margin of the head, 
sloping at the sides; mandibles slender, curved, truncate apically and toothed, 
base touching the eye above; gula and sides of the head flat, the former 
medially foreshortened, wider than long, narrowing behind where it is rather 
convex, anterior margin arcuately concave, posterior margin incised, median 
groove effaced; abdomen elongate ovate, smooth and polished; wings sub- 
infuscate, with a yellowish brown pigmentation; length 2.25 mms. 
Described from one female (type) collected, Kaumuohona, Oahu, by 
P. H. Timberlake, April 23, 1916. 
Type: Cat. No. 54, Bishop Museum. 
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