.Vt'T*.' Species of Sicrola. Jf'ifh Explanatory Notes. lOi 



57. Sierola loiigieor)iis n.sp. 



5 dull black but not opaque, legs and antennae yellowish brown to fus- 

 cous, the former with the femora fuscous outwardly, the latter fuscous dis- 

 tally from the first funicle segment. 



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

 late surface sculpture, coarser on the head; rather coarsely, shallowly and 

 closely punctate and hairy. Head a little longer than wide, widest across the 

 eyes, narrowing in front and behind, width between the eyes more than the 

 length from eye to vertex ; convex above, a little tumid beneath ; vertical 

 margin straight, temples rounded, eyes convex ; antennae considerably longer 

 than the head, all the segments more than twice as long as wide, antennal 

 fossae 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 antennae ; 

 mandibles slender, curved, truncate and toothed apically, base almost touch- 

 ing the eye above ; gula and sides of the head fiat, the former not much 

 foreshortened medially, longer than wide, anterior margin arcuately concave, 

 posterior margin incised, the median groove nearly effaced ; propodeum rugu- 

 lose, a small triangular area medially at the base smooth ; abdomen ovate, 

 brilliantly polished ; wings subinfuscate, with a yellowish brown pigmenta- 

 tion ; length 2.75 mms. 



Described from one female (type) collected at Kilauea, Hawaii, 29 

 miles, by W. M. Giffard, January, 191 5. 



Type : Cat. No. 57, Bishop Museum. 



58. Sierola scoria cea n.sp. 



5 shining black, the head a little dull ; antennae, trochanters, tibiae and 

 tarsi testaceous, femora fuscous. 



Head and thorax with a microscopically fine reticulate surface sculp- 

 ture ; finely, shallowly and closely punctate ; rather thickly clothed with fine 

 silvery gray hairs. Head longer than wide, width between the eyes a little 

 more tlian the length from eye to vertex ; convex above and beneath ; vertical 

 margin straight, temples rounded, eyes flatly convex ; antennae a little longer 

 than the head, the segments hardly longer than wide, antennal 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 api- 

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

 flat, the former medially foreshortened, wider than long, narrowing behind, 

 where it is rather convex, anterior margin nearly straight, posterior margin 

 incised, the median groove effaced ; abdomen ovate, smooth and polished ; 

 wings subinfuscate, with a yellowish brown pigmentation ; length 2 mms. 



Described from one female (type) collected on Kau, Hawaii, a-a flows, 

 3600 ft. elevation, by W. M. Giffard, July i8th, 1918. 



Type : Cat. Xo. 58. Bishop Museum. 



