146 New Species of Sierola, With Explanatory Notes. 
Described from one example (type) collected on Kaala Mountain, 
Oahu, by O. H. Swezey, September 1, 1913. 
Type: Cat. No. 146, Bishop Museum. 
147. Sterola philodoriae n.sp. 
@ somewhat depressed; dull shining black, legs luteous, antenne and 
mandibles brown. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture: coarsely, shallowly, somewhat remotely punctate, and hairy. Head 
longer than wide by more than a half, length from eye to vertex equalling 
the width between the eyes, length in front of the eyes not great; convex 
above, depressed in front, flat beneath; vertical margin straight, temples 
rounded, eyes convex; antenne reaching the mesoscutum, all the segments 
longer than wide, antennal fosse deep; clypeus short, carinate, apically 
depressed, almost perpendicular, hardly projecting in front of the anterior 
margin of the head; mandibles fairly stout, curved, somewhat flattened out- 
wardly, truncate apically and toothed, base touching the eye above; gula flat, 
not much foreshortened, longer than wide, anterior margin arcuately con- 
cave, posterior margin incised; abdomen ovate, apically acuminate, smooth 
and polished; wings hyaline; length 1.5 mms. 
Described from four females (type and paratypes). Three specimens, 
including type, from Olympus Mountain, Oahu, reared from larva of Philo- 
doria splendida, by O. H. Swezey, January 30, 1913. Two specimens in this 
series and one collected in the S. E. Koolau Mountains, Oahu, by J. C. 
Bridwell, 1916, paratypes. 
Type: Cat. No. 147, Bishop Museum. 
148. Sierola planiceps u.sp. 
@ depressed; shining black, the legs, antennze and mandibles, except 
at the base, flavous. 
Head and thorax with a microscopically fine and delicate reticulate 
surface sculpture; finely, shallowly and somewhat remotely punctate; hairy 
clothing short and inconspicuous. Head longer than wide, length from eye 
to vertex equalling the width between the eyes, length in front of the eyes 
not great: flat above, flatly convex beneath; vertical margin slightly con- 
cave, temples rounded, eyes convex; antenne a little longer than the head, 
all the segments longer than wide, pedicel twice as long as wide, antennal 
fosse deep; clypeus carinate, apically depressed, hardly projecting in front 
of the anterior margin of the head, declivous at the sides; mandibles slen- 
der, curved, concavo-convex, flattened outwardly, truncate apically and 
toothed, base touching the eye above; gula flat, very little foreshortened 
medially, longer than wide, median groove nearly effaced, anterior margin 
arcuately concave, posterior margin incised; abdomen short ovate, smooth 
and polished or nearly so; wings with a yellowish brown pigmentation; 
length 2 mms. 
Described from four females (type and paratypes). Type from Nuu- 
anu Valley, Oahu, collected by D. T. Fullaway, March 4, 1912. Two speci- 
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