New Species of Sierola, With Explanatory Notes. 03 
abdomen elongate ovate, smooth and polished; wings with a faint yellowish 
brown pigmentation; length 3.75 mms. 
Described from seventeen females (type and paratypes). Type collected 
at Hilo, Hawaii, 1500 ft. elevation, by W. M. Giffard, August 3, 1906. Five ? 9 
from the Kilauea koa forest, collected by F. W. Terry, May 24, June 3, 1905; 
6 2 2 labelled Hawaii (Koebele); 1 @ from the Kilauea koa forest col- 
lected by W. M. Giffard, July roth, 1911; 1 9 from Kau road, collected by 
Giffard and Muir, January 16, 1917; 1 Q from the Kilauea dry forest, 4000 
ft. elevation, collected by W. M. Giffard, January 9, 1919; 1 2 from Puu- 
waawaa, N. Kona, 3700 ft. elevation, collected by W. M. Giffard, August, 
1917; I 9 from Kahuku, Kau, collected by Giffard and Muir, January 15, 
IQ17, paratypes. 
Type: Cat. No. 41, Bishop Museum. 
42. Sierola localis n.sp. 
2 unusually large; dull shining black, trochanters, tibize and tarsi and 
a large part of the antenne brown. 
Head and thorax to the propodeum with a microscopically fine and 
close reticulate surface sculpture, fairly closely and finely punctate and hairy, 
the pin punctures on the head extremely fine. Head as wide as long, widest 
across the eyes, narrowing behind and in front, width between the eyes 
twice the length from eye to vertex; flatly convex above, depressed in 
front, a little tumid beneath; vertical margin straight, temples rounded, eyes 
convex; antennze reaching the mesoscutum, all the segments considerably 
longer than wide, antennal fosse deep: clypeus carinate, apically depressed 
and projecting slightly in front of the anterior margin of the head, sloping 
at the sides; mandibles fairly stout, curved, concavo-convex, truncate and 
toothed apically, base reaching the eye above; gula flatly convex, medially 
foreshortened, wider than long, anterior margin nearly straight; propodeum 
rugulose; abdomen elongate ovate, smooth and shining; wings subinfuscate ; 
length 3.5 mms. 
Described from one female (type) collected on Tantalus mountain, 
Oahu, 1300 ft. elevation, by W. M. Giffard, January 15, 1905. 
Type: Cat. No. 42, Bishop Museum. 
43. Sierola obscura n.sp. 
@ unusually large and thick-set; dull shining black, the head nearly 
opaque; trochanters, tibize and tarsi brown, antenne brown to fuscous. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture, coarsely, shallowly and fairly closely punctate and hairy, both sculp- 
ture and punctuation coarser on the head than on the thorax. Head as wide 
as long, widest across the eyes, narrowing behind and in front, width between 
the eyes twice the length from eye to vertex; convex above, depressed in 
front, tumid beneath; vertical margin straight, temples rounded, eyes con- 
vex; antenne reaching the mesoscutum, all the segments considerably longer 
than wide, 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 
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