AVti' Species of Sierola, With Explanatory Xotes. 9^^ 



abdomen elongate ovate, smooth and polished ; wings with a faint yellowish 

 brown pigmentation ; length 3.75 mms. 



Dcscri1)ed from seventeen females (type and paralypes). Type collected 

 at Hilo. Hawaii, 1500 ft. elevation, by W. M. Giffard, August 3. 1906. Five 9 9 

 from the Kilauea koa forest, collected by F. W. Terry, May 24, June 3, 1905 ; 

 6 9 9 labelled Hawaii (Koebele) ; i 9 from the Kilauea koa forest col- 

 lected by W. M. Giffard, July 19th, 191 1 ; i 9 from Kau road, collected by 

 Giffard and Muir, January 16, 1917 ; i 9 from the Kilauea dry forest. 4000 

 ft. elevation, collected by W. M. Giffard, January 9, 1919; i 9 from Puu- 

 waawaa, X. Kona. 3700 ft. elevation, collected by W. M. Giffard, August. 

 1917; I 9 from Kahuku, Kau. collected by Giffard and Muir. January 15. 

 1917. paratypes. 



Type: Cat. Xo. 41. Bishop Museum. 



42. Sierola localis n.sp. 



9 unusually large ; dull shining l)lack. trochanters, tibiae and tarsi and 

 a large part of the antenna brown. 



Head and thorax to the propodeum with a microscopically fine and 

 close reticulate surface sculpture, fairly closely and finely punctate and hairy, 

 the pin punctures on the head extremely fiiie. Head as wide as long, widest 

 across the eyes, narrowing behind and in front, width between the eyes 

 twice the length from eye to vertex ; flatly convex above, depressed in 

 front, a little tumid beneath ; vertical margin straight, temples rounded, eyes 

 convex ; antennae reaching the mesoscutum, all the segments considerably 

 longer than wide, antennal fossae deep ; clypeus carinate, apically depressed 

 and projecting slightly in front of the anterior margin of the head, sloping 

 at the sides ; mandibles fairly stout, curved, concavo-convex, truncate and 

 toothed apically, base reaching the eye above ; gula flatly convex, medially 

 foreshortened, wider than long, anterior margin nearly straight ; propodeum 

 rugulose ; abdomen elongate ovate, smooth and shining; wings subinfuscate : 

 length 3.5 mms. 



Described from one female (type) collected on Tantalus mountain. 

 Oahu, 1300 ft. elevation, by W. M. Giffard. January 15. 1905. 



Type : Cat. X'o. 42. Bishop Museum. 



43. Sierola obscura n.sp. 



9 unusually large and thick-set ; dull shining black, the head nearly 

 opaque; trochanters, tibiae and tarsi brown, antennae brown to fuscous. 



Head and thorax with a microscopically fine reticulate surface sculp- 

 ture, coarsely, shallowly and fairly closely punctate and hairy, both sculp- 

 ture and punctuation coarser on the head than on the thorax. Head as wide 

 as long, widest across the eyes, narrowing behind and in front, width between 

 the eyes twice the length from eye to vertex ; convex above, depressed in 

 front, tumid beneath ; vertical margin straight, temples rounded, eyes con- 

 vex ; antennae reaching the mesoscutum, all the segments considerably longer 

 than 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 bevond the base 



I 39 ] 



