118 New Species of Sicrola, With Explanatory Notes. 
gt. Sierola kaduana u.sp. 
? dull shining black, antenne fuscous, legs luteous. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture; uniformly, closely and shallowly punctate, and hairy; the sculpture 
and punctuation coarser on the head, the hairy clothing short, stiff and 
silvery white. Head a little longer than wide, width between the eyes a 
little more than the length from eye to vertex; flat above, convex beneath; 
vertical margin straight, temples rounded, eyes convex; antenne a little 
longer than the head, 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, sloping at 
the sides, the carina extending backward on the top of the head beyond 
the base of the antenne; mandibles long, curved, slender at the base, 
the distal portion flattened, truncate apically and toothed, base touching 
the eye above; gula and sides of the head convex, the former medially 
foreshortened, as wide as long, anterior margin arcuately concave, poste- 
rior margin incised; abdomen ovate, smooth and polished; wings subin- 
fuscate, with a faint fuscous pigmentation; length 2.5 mms. 
Described from two females (type and paratype) collected at Mala- 
malama, Oahu, by P. H. Timberlake, July 28th, ror8, on Kadua acumi- 
nata. 
Type: Cat. No. 91, Bishop Museum. 
g2. Sierola gracilariae n.sp. 
@ shining black, the head dull: legs luteous, antenne brown to fus- 
cous, mandibles reddish apically. 
Head and thorax to the propodeum with a microscopically fine reticu- 
late surface sculpture; finely and closely punctate, and hairy. Head a little 
longer than wide, widest across the eyes, narrowing behind and in front, width 
between the eyes a little more than the length from eye to vertex; flatly 
convex above, depressed in front, a little tumid beneath; vertical margin 
straight, temples rounded, eyes convex; antenne a little longer than the 
head, pedicel 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 
long, curved, slender at the base, the distal portion flattened, truncate 
apically and toothed, base touching the eye above; gula and sides of the 
head flatly convex, the former medially foreshortened, as wide as long, 
anterior margin arcuately concave, posterior margin incised, depressed 
along the median line; propodeum very finely rugulose; abdomen. shortly 
ovate, smooth and polished; wings hyaline; length 2 mms. 
ga little smaller, head shorter, mandibles and first four antennal 
segments luteous, abdomen bluntly pointed at the apex. 
Described from one female and two males (type, allotype and para- 
type) from Niu, Oahu, reared by O. H. Swezey from the larva of Gra- 
cilaria mabaella, December 11, IgtIo. 
Type: Cat. No. 92, Bishop Museum. 
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