New Species of Sierola, With Explanatory Notes. 1 
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1ol. Svierola luteipes n.sp. 
2 dull black, opaque; legs and antennz basally luteous, the latter fus- 
cous apically; mandibles fuscous except at the base; abdomen somewhat 
piceous. 
Head and thorax to the propodeum with a microscopically fine reticu- 
late surface sculpture, a little coarser on the head; finely, shallowly and 
somewhat remotely and sparsely punctate; hairy clothing inconspicuous. 
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; flatly con- 
vex above, depressed in front, a little tumid beneath, the greatest depth 
beneath the eye; vertical margin straight, temples rounded, eyes flatly con- 
vex; antenne a little longer than the head, pedicel and first funicle segment 
a little longer than wide, the following segments as wide as 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 shortly on the top of the head; mandibles fairly slen- 
der, curved, 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; propo- 
deum rugose, convex above; abdomen ovate, apically acuminate, smooth and 
polished; wings hyaline; length 2.25 mms. 
Described from one female (type) collected in Palolo Valley, Oahu, 
by O. H. Swezey, September 3, 1906. 
Type: Cat. No. tor, Bishop Museum. 
102. Sverola pilifera n.sp. 
2 dull black, opaque; legs brown, scape and pedicel of antennz luteous, 
the following segments fuscous; mandibles reddish brown except at base. 
Head and thorax to the propodeum with a microscopically fine and close 
reticulate surface sculpture, a little coarser on the head; very finely, shal- 
lowly and closely punctate; hairy clothing long, delicate and ample. Head 
somewhat longer than wide, widest across the eyes, narrowing behind and 
in front, width between the eyes somewhat more than the length from eye 
to vertex; flatly convex above, depressed in front, convex beneath; vertical 
margin straight, temples rounded, eyes convex; antenne reaching the meso- 
scutum, 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 
almost touching the eye above, lower angle protuberant; gula flatly convex, 
medially foreshortened, as wide as long, anterior margin arcuately concave, 
posterior margin incised, sides of the head flat and polished in the middle; 
propodeum finely rugulose; abdomen elongate ovate, apically acuminate, 
smooth and polished; wings subinfuscate, nearly hyaline; length 2.75 mms. 
Described from one female (type) collected at Makaha, Oahu, by W. 
M. Giffard, November 5, 1905. 
Type: Cat. No. 102, Bishop Museum. 
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