A'czc S[^ccics of Sirrulii, With Explanatory Xotes. 115 



85. Sierola iiiaiiiciisis n.sp. 



9 dull shining black, legs yellowish brown, the femora infuscate, an- 

 tenn£e brown to fuscous. 



Head and thorax with a microscopically fine and close reticulate sur- 

 face sculpture ; finely, shallowly and closely punctate, and hairy. Head a 

 little longer tiian wide, widest across the posterior end of the eyes, narrow- 

 ing behind and in front, width between the eyes considerably more than the 

 length from eye to vertex ; flatly convex above, depressed in front, a little 

 tumid beneath ; vertical margin straight, temples rounded, eyes convex ; 

 antennae a little longer than the head, pedicel about twice as long as wide, 

 following" segments scarcely longer than wide, antenna! fossae 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 antennae; mandibles slender, curved, truncate apically and 

 toothed, base touching the eye above ; gula and sides of the head flat, the 

 former medially foreshortened, wider than long, narrowing behind, anterior 

 margin straight, a shallow depression along the median line posteriorly, the 

 margin incised ; abdomen ovate, smooth and polished ; wings subinfuscate ; 

 length 2.5 mms. 



Described from one female (type) collected on jNIaui, 1)y Koebele. 



Type : Cat. No. 85, Bishop Museum. 



86. Sierola nifii^natha n.sp. 



$ dull shining black, legs, clypeus apically and antennae basally luteous, 

 the last outwardly fuscous, mandibles reddish brown except at the base. 



Head and thorax to the propodetnn with a microscopically fine reticu- 

 late surface sculpture ; finely, shallowly and remotely punctate, hairy cloth- 

 ing sparse, punctuation coarser on the head. Head a little longer than wide, 

 width between the eyes exceeding the length from eye to vertex ; convex 

 above, a little tumid beneath, the greatest depth beneath the eye ; vertical 

 margin slightly convex, temples rounded, eyes convex; antennae reaching 

 almost to the scutellum, all the segments longer than wide, the pedicel and 

 first funicle segment twice as long as wide, antennal fossae deep ; clypeus 

 carinate, apically depressed a little and projecting slightly in front of the 

 anterior margin of the head, sloping at the sides, the carina extending back- 

 ward on the top of the head beyond the base of the antennae ; mandibles 

 large, fairly stout, bent at basal third, the distal portion flattened, obliquely 

 truncate apically and toothed, base touching the eye above ; sides of the 

 head and gula in front flatly convex, the latter tumid behind, medially fore- 

 shortened, the anterior margin arcuate, posterior margin incised; propo- 

 deum coarsely rugulose, with a smooth area at the base medially; abdomen 

 short ovate, smooth and polished ; wings hyaline ; length 2 mms. 



Described from one female (type) collected in Xuuanu Valley, Oahu, 

 by D. T. Fullaway, August 20, 1916. 



Type : Cat. No. 86, Bishop ]\Iuseum. 



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