New Species of Sierola, With Explanatory Notes. 101 
57. Sterola longicornis n.sp. 
@ dull black but not opaque, legs and antennze yellowish brown to fus- 
cous, the former with the femora fuscous outwardly, the latter fuscous dis- 
tally from the first funicle segment. 
Head and thorax to the propodeum with a microscopically fine reticu- 
late surface sculpture, coarser on the head; rather coarsely, shallowly and 
closely punctate and hairy. Head a little longer than wide, widest across the 
eyes, narrowing in front and behind, width between the eyes more than the 
length from eye to vertex; convex above, a little tumid beneath; vertical 
margin straight, temples rounded, eyes convex; antennze considerably longer 
than the head, all the segments more than twice as long as 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 of the antenne; 
mandibles slender, curved, truncate and toothed apically, base almost touch- 
ing the eye above; gula and sides of the head flat, the former not much 
foreshortened medially, longer than wide, anterior margin arcuately concave, 
posterior margin incised, the median groove nearly effaced; propodeum rugu- 
lose, a small triangular area medially at the base smooth; abdomen ovate, 
brilliantly polished; wings subinfuscate, with a yellowish brown pigmenta- 
tion; length 2.75 mms. 
Described from one female (type) collected at Kilauea, Hawaii, 29 
miles, by W. M. Giffard, January, 1015. 
Type: Cat. No. 57, Bishop Museum. 
58. Sverola scoriacea n.sp. 
2 shining black, the head a little dull; antennz, trochanters, tibiz and 
tarsi testaceous, femora fuscous. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture; finely, shallowly and closely punctate; rather thickly clothed with fine 
silvery gray hairs. Head longer than wide, width between the eyes a little 
more than the length from eye to vertex; convex above and beneath; vertical 
margin straight, temples rounded, eyes flatly convex; antenne a little longer 
than the head, the segments hardly longer than wide, antennal fossz deep; 
clypeus reduced by erosion from the sides to a thin, carinate ridge, apically 
depressed and projecting slightly in front of the anterior margin of the head, 
declivous at the sides, the carina extending backward on the top of the head 
beyond the base of the antenne; mandibles slender, curved, truncate api- 
cally and toothed, base touching the eye above; gula and sides of the head 
flat, the former medially foreshortened, wider than long, narrowing behind, 
where it is rather convex, anterior margin nearly straight, posterior margin 
incised, the median groove effaced; abdomen ovate, smooth and_ polished; 
wings subinfuscate, with a yellowish brown pigmentation; length 2 mms. 
Described from one female (type) collected on Kau, Hawaii, a-a flows, 
3600 ft. elevation, by W. M. Giffard, July 18th, 1018. 
Type: Cat. No. 58, Bishop Museum. 
| 47 ] 
