100 New Species of Sierola, With Explanatory Notes. 
55. Sterola lepida n.sp. 
9 shining black, the legs, antennz basally and the mandibles except at 
the base, flavous, antenne distally fuscous. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture; finely, shallowly and closely punctate; hairy clothing short and deli- 
cate. Sides of the pronotum aciculate. Head a little longer than wide, wid- 
est across the eyes, narrowing behind and in front, width between the eyes 
considerably more than (1% X) the length from eye to vertex; convex 
above, tumid beneath; vertical margin straight, temples rounded, eyes con- 
vex; antenne reaching the mesoscutum, 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, sloping at the sides, the 
carina extending backward on the top of the head beyond the base of the 
antenne; mandibles slender, widening outwardly, curved, concayo-convex, 
truncate apically and toothed, base touching the eye above; gula and sides 
of the head flat, the former medially foreshortened, as long as wide, narrow 
ing behind where it is inconspicuously divided into two lobes by a shallow 
depression on the median line, anterior margin arcuately concave, posterior 
margin incised; abdomen depressed, ovate, smooth and polished; wings 
infuscate, with a yellowish brown pigmentation; length 2.75 mms. 
. Described from one female (type) collected at Glenwood, Hawaii, 2800 
ft. elevation, by Giffard and Muir, October 1, 1917. 
Type: Cat. No. 55, Bishop Museum. 
56. Sierola callida n.sp. 
@ shining black, the legs and antennz fuscous. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture; fairly closely, coarsely and shallowly punctate and hairy. Head wider 
than the thorax, longer than wide, width between the eyes equalling the 
length from eye to vertex; convex above and beneath; depressed in front ; 
vertical margin straight, temples rounded, eyes flatly convex; antenne a lit- 
tle longer than the head, pedicel and first funicle segment a little longer than 
wide, following segments as wide as or wider than 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 on the top of the head beyond the base of the antennz; mandibles 
stout, curved, concavo-convex, truncate apically and toothed, base touching 
the eye above; gula convex, not much foreshortened, anterior margin arcu- 
ately concave, posterior margin incised; abdomen ovate, smooth and polished ; 
wings subinfuscate, with a yellowish-brown pigmentation; length 2.75 mms. 
6 smaller, head shorter, vertical margin arcuately convex, mandibles 
luteous except at the base, abdomen bluntly pointed at the apex. 
Described from one female and three males (type, allotype and para- 
types) collected on Kaala mountain, Oahu. ‘Type collected by P. H. Timber- 
lake, July 4, 1916. Three ¢ ¢ collected by P. H. Timberlake, at 1500-2500 
ft. elevation, March 4, 1917, one on Bobea clatior, allotype and paratypes. 
Type: Cat. No. 56, Bishop Museum. 
| 46 | 
