New Species of Sicrola, With Explanatory Notes. 143 
141. Sierola vetusta n.sp. 
9 dull shining black, trochanters, tibie, tarsi and antennz basally yel- 
lowish brown, coxz, femora and antenne outwardly fuscous. 
Head and thorax with a microscopically fine and close reticulate sur- 
face sculpture; finely, shallowly and closely punctate; hairy clothing long 
and delicate. Head as wide as long, widest across the eyes, narrowing 
behind and in front, width between the eyes greater than the length from 
eye to vertex; convex above, depressed in front, a little tumid beneath; ver- 
tical margin straight, temples rounded, eyes convex; antennz reaching the 
mesoscutum, pedicel longer than wide, the following segments hardly so, 
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 shortly on 
the top of the head; mandibles fairly stout, curved, truncate apically and 
toothed, base touching the eye above; gula convex, medially foreshortened, 
wider than long, anterior margin arcuately concave, posterior margin incised, 
sides of the head flat; abdomen ovate, smooth and polished; wings subin- 
fuscate, with a faint fuscous pigmentation; length 2 mms. 
Described from one female (type) collected on Maui by Koebele. 
Type: Cat. No. 141, Bishop Museum. 
142. Sierola kalihiensis n.sp. 
2 dull shining black, trochanters, tibiz, tarsi and base of antennze 
brown, antenne distally fuscous. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture, shallow throughout, very delicate on the propodeum, coarser on the 
head; coarsely and somewhat remotely punctate, the punctuation of the 
thorax finer; hairy clothing rather short and delicate. Head as wide as 
long, widest across the eyes, narrowing behind and in front, width between 
the eyes greater by a half than the length from eye to vertex; convex 
above, depressed in front, a little tumid beneath; vertical margin slightly 
convex, temples rounded, eyes convex; antenne nearly reaching the scu- 
tellum, 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 antennz; mandibles stout, bent in the middle, outer half concavo-con- 
vex, a little flattened dorso-ventrally, base touching the eye above; gula and 
sides of the head convex, the former medially foreshortened, twice as wide 
as long, anterior margin arcuately concave, posterior margin incised; abdo- 
men ovate, smooth and polished; wings subinfuscate, with a faint fuscous 
pigmentation; length 2.25 mms. 
Described from one female (type) collected in Kalihi Valley, Oahu, by 
P. H. Timberlake, March 11, 1917, on Suttonia lassertiana. 
Type: Cat. No. 142, Bishop Museum. 
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