98 New Species of Sierola, With Explanatory Notes. 
convex above, depressed in front, a little tumid beneath, the greatest depth 
behind the eye; vertical margin straight, temples rounded, eyes flatly convex ; 
antennz scarcely longer than the head, pedicel a little longer than wide, fol- 
lowing 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, declivous at the sides, the carina extending backward 
on the top of the head beyond the base of the antennze; mandibles stout, 
curved, concavo-convex, truncate apically and toothed, base nearly or quite 
reaching the eye; gula convex, closely punctate and pubescent, medially fore- 
shortened, wider than long, the median groove distinct, anterior margin arcu- 
ately concave, posterior margin incised; abdomen ovate, smooth and_pol- 
ished; wings subinfuscate, with a very faint yellowish brown pigmentation ; 
length 3 mms. 
Described from 9 females (type and paratypes), collected on Tantalus 
mountain, Oahu, 1300 ft. elevation, by W. M. Giffard. Two specimens, one 
of which is the type, collected October 15, 1905. In addition to the paratype 
just mentioned, there are three specimens, collected November 14, 1907, 2 
specimens collected April 16, 1905, I specimen collected March 11, 1905, I 
specimen collected December 2, 1905, paratypes, 
Type: Cat. No. 51, Bishop Museum. 
52. Sterola seminigra n.sp. 
@ black, with the exception of the prothorax, which is brown; and 
shining, with the exception of the head, which is dull, opaque or nearly so; 
legs, antenne and mandibles brown. 
Head and thorax with a microscopically fine reticulate surface sculp- 
ture, coarser and closer on the head; very finely, closely and shallowly punc- 
tate; hairy clothing short and inconspicuous. Head a little longer than wide, 
width between the eyes a little more than the length from eye to vertex, 
length in front of the eyes not great; convex above, a little tumid beneath, 
the greatest depth beneath the posterior end of the eye; vertical margin 
straight, temples rounded, eyes flatly convex; antennz a little longer than 
the head, pedicel a little longer than wide, following segments as wide as 
long or nearly so, antennal fosse deep; clypeus short, carinate, apically 
depressed and projecting slightly in front of the anterior margin of the head, 
declivous at the sides, the carina extending backward a little on the top of 
the head; mandibles fairly stout, curved, concavo-convex, truncate apically 
and toothed, base not quite reaching the eye; gula convex, medially fore- 
shortened, wider than long, anterior margin almost straight, posterior mar- 
gin deeply incised; abdomen ovate, apically acuminate, smooth and _pol- 
ished; wings with a yellowish brown pigmentation; length 2.75 mms. 
@ smaller, head shorter, legs, antenne and mandibles paler, abdomen 
bluntly pointed at the apex, wings nearly hyaline. 
Described from four females and one male (type, allotype and para- 
types). Type collected on Cooke’s Trail, Nuuanu Valley, Oahu, by D. T. 
Fullaway, January 14, 1917. One é and one @ collected in Pauoa Valley, 
Oahu, by O. H. Swezey, January 23, 1900, respectively allotype and paratype. 
One @ collected in Palolo Valley, Oahu, by D. T. Fullaway, August 12, 1912, 
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