New Species of Sierola, With Explanatory Notes. 79 



15. Sierola ciirz'igiiafha i^.sp. 



$ dull black, antennas basally, trochanters, fore-legs distally from the 

 femora, middle and hind tibiae at base and apex and tarsi entirely brown. 



Head and thorax with a microscopically fine surface sculpture, rather 

 closely, finely and shallowly punctate and hair\^ Head considerably longer 

 than wide, width between the eyes about equal to the length from the eye to 

 the vertex ; flatly convex above, depressed in front, tumid beneath, the great- 

 est depth behind the eye ; vertical margin straight, temples rounded, eyes 

 flat ; antennas reaching the mesoscutum, all the segments of the flagellum lon- 

 ger than wide, pedicel twice as long as wide and funicle nearly so ; clypeus 

 spatulate, very little extended beyond the anterior margin of the head, con- 

 vex apically, contracted basally by the inward extension of the antennal 

 fossae; mandibles large, bent in the middle, distal portion flattened, apical 

 margin oblique and toothed, base not quite reaching the eye ; cheeks narrow ; 

 gula and sides of the head flatly convex, the former medially foreshortened 

 but longer than wide, median furrow very fine, anterior margin arcuately, 

 posterior margin semicircularly concave ; propodeum finely rugulose ; abdo- 

 men short ovate, smooth and polished ; wings subinfuscate ; length 2.5 mms. 

 Described from one female (type) collected at Kilauea, Hawaii, at the 

 lumber camp, 4000 ft. elevation, by W. M. Gififard, July 4, 1918. 



Type : Cat. No. 15, Bishop Museum. 



16. Sierola einargiiiata- n.sp. 



Plate XVI, Figure 4. 



? shining black, legs and antennae brown to fuscous. 



Head and thorax to the propodeum with a microscopically fine surface 

 sculpture, some scattered small shallow punctures on the mesonotum, the 

 head a little more closely punctate and clothed with short, fine, whitish hairs. 

 Head as wide as long, widest at the vertex, narrowing in front, width be- 

 tween the eyes greater than the length from eye to vertex ; flatly convex 

 above, depressed in front, tumid beneath, the greatest depth behind the eye ; 

 vertical margin deeply concave, temples rounded, eyes convex ; antennae lon- 

 ger than the head, segments of the flagellum scarcely longer than wide, pedi- 

 cel longer by a half ; clypeal process a small, decurved, spatulate beak, con- 

 vex above, very little extended beyond the anterior margin of the head ; man- 

 dibles not very stout, bent at the middle, truncate and toothed apically, base 

 not reaching the eye ; cheeks fairly wide ; gula and sides of the head flat, the 

 former medially foreshortened, wider than long, anterior margin arcuately 

 concave, posterior margin incised; propodeum finely rugulose; abdomen elon- 

 gate, smooth and polished ; wings subinfuscate ; length 2 mms. 



Described from one female (type), collected on Hawaii by Albert Koe- 

 liele. Date of capture not given. 



Type: Cat. No. i6. Bishop Museum. 



17. Sierola giffardi n.sp. 



9 shining black, the legs yellowish brown, infuscate to the apex of the 

 femora, antenns yellowish brown, fuscous outwardly, mandibles brown, fus- 

 cous basally. 



