132 New Species of Sierola, With Explanatory Notes. 
than long, narrowing behind where there is a slight depression along the 
median line, anterior margin arcuately concave, posterior margin incised; 
propodeum rugulose; abdomen elongate ovate, smooth and polished; wings 
subinfuscate, with a faint yellowish brown pigmentation; length 3 mms. 
Described from one female (type) collected on Manoa Ridge, Oahu, 
by D. T. Fullaway, February 13, 1917. 
Type: Cat. No. 118, Bishop Museum. 
119. Sverola lata u.sp. 
@ shining black, the legs and antennze brown to fuscous, femora fuscous. 
Head and thorax to the propodeum with a microscopically fine and 
delicate reticulate surface sculpture; fairly closely and finely punctate, and 
hairy. Head wider than the thorax, as wide as long, width between the 
eyes greater by a half than the length from eye to vertex, length in front 
of the eyes not great; flatly convex above, convex beneath; vertical margin 
straight, temples rounded, eyes flatly convex; antenne a little longer than 
the head, pedicel longer than wide, the 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, sloping 
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 flatly convex, a 
little foreshortened medially, wider than long, with a depression along the 
median line, anterior margin arcuately concave, posterior margin incised; 
propodeum rugulose, with a smooth triangular area at the base; abdomen 
elongate ovate, apically acuminate, smooth and polished; wings subinfus- 
cate, with a faint yellowish brown pigmentation; length 3 mms. 
Described from one female (type) collected on Olympus Mountain, 
Oahu, by O. H. Swezey, January 21, 1912. 
Type: Cat. No. 119, Bishop Museum. 
120. Sierola fuliginosa n.sp. 
@ shining black, the legs fuscous basally, yellowish brown from the 
apex of the femora outwardly, antennze yellowish brown basally, fuscous 
apically, mandibles apically reddish. 
Head and thorax to the propodeum with a microscopically fine reticu- 
late surface sculpture; fairly coarsely, shallowly and closely punctate, and 
hairy. Head nearly as wide as long, width between the eyes greater by a 
half than the length from eye to vertex; flatly convex above, depressed in 
front, convex beneath; vertical margin slightly convex, temples rounded, 
eyes convex; antenne reaching the mesoscutum, all the segments twice as 
long as 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 back- 
ward shortly on the top of the head; mandibles fairly stout, curved, concavo- 
convex, truncate apically and toothed, base not reaching the eye; gula and 
sides of the head flat, the former medially foreshortened, wider than long, 
anterior margin arcuately concave, posterior margin incised, median groove 
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