134 New Speeies of Sierola, With Explanatory Notes. 
123. Sierola olinda n.sp. 
9 dull shining black, the head nearly opaque; legs fuscous, tibie and 
tarsi fuscous brown; antennz yellowish brown basally, fuscous apically. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture, very delicate on the thorax, coarser on the head; finely and fairly 
closely punctate, and hairy. Head nearly as wide as long, widest across the 
eyes, narrowing behind and in front, width between the eyes considerably 
more than the length from eye to vertex, length in front of the eyes not 
great; convex above, depressed in front, a little tumid beneath; vertical 
margin straight, temples rounded, eyes flatly convex; antenne reaching the 
mesoscutum, first to fifth funicular segments hardly longer than wide, the 
following segments a little longer, pedicel nearly twice as long as wide, an- 
tennal 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 slender, curved, truncate apically and toothed, base not quite reach- 
ing the eye; gula and sides of the head flat, the former medially foreshort- 
ened, wider than long, anterior margin arcuately concave, posterior margin 
incised; abdomen ovate, apically acuminate, smooth and polished; wings 
subinfuscate; length 2.5 mms. 
Described from one female (type) collected at Olinda, Maui, 4200 ft. 
elevation, by Giffard and Fullaway, May 12 and 13, 1018. 
Type: Cat. No. 123, Bishop Museum. 
124. Siterola indecora u.sp. 
@ dull shining black, trochanters, tibia and tarsi brown, antenne fus- 
cous. 7 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture, very delicate on the scutellum and propodeum, coarser on the head; 
coarsely, shallowly and fairly closely punctate, and hairy except on the 
propodeum. Head nearly as wide as long, widest across the eyes, narrow- 
ing behind and in front, width between the eyes twice the length from eye 
to vertex; convex above, depressed in front, a little tumid beneath; verti- 
cal margin straight, temples rounded, eyes convex; antenne reaching the 
mesoscutum, all the segments longer than wide, antennal fosse deep; clypeus 
carinate, apically depressed and projecting slightly in front of the anterior 
margin of the head, which is angulate, not transverse, declivous at the sides, 
the carina extending backward on the top of the head beyond the base of the 
antenne ; mandibles slender, curved, truncate apically and toothed, base not 
quite reaching the eye; gula and sides of the head flat, the former medially 
foreshortened, wider than long, narrowing behind, anterior margin arcuately 
concave, posterior margin incised; abdomen short ovate, apically acuminate, 
smooth and polished; wings subinfuscate, with a faint yellowish brown pig- 
mentation; length 2.25 mms. 
Described from one female (type) collected at Kilauea, Hawaii, 4000 
ft. elevation, by W. M. Giffard, October, rors. 
Type: Cat. No. 124, Bishop Museum. 
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