Nrrc Sf>('cics of SIcrola. With ll.vpUiiuifory Xotcs. 73 



late surface sculpture, only fairly closely and tinely punctate and clothed with 

 short and delicate hairs. Head considerably longer than wide, widest at the 

 vertex, narrowing in front, flatly convex above, a little tumid beneath, great- 

 est depth beneath the posterior end of the eye ; vertical margin straight, tem- 

 ples rounded, eyes flatly convex, antennae a little longer than the head, pedicel 

 twice as long as wide, funicle narrower and not quite so long, following seg- 

 ments a little longer than wide, almost moniliform, antennal fossae deep; 

 clypeal process a spatulate beak horizontally extended, flat above and finely 

 carinate ; mandibles slender, bent near the middle, the distal portion flattened, 

 obliquely truncate apically and toothed, base not reaching the eye, cheeks 

 moderately long; gula and sides of the head slightly convex, the former as 

 wide as long, anterior and posterior margins incised, median groove evident 

 but very fine ; propodeum rugose ; al^domen elongate owite, smootli and pol- 

 ished ; wings subinfuscate ; lengtli ,^ nuns. 



$ with the mandibles, legs and antennje l^asally luteous, considerably 

 smaller than the ? , head shorter and widest across the eyes, antennae more 

 slender, clypeal process smaller, cheeks shorter, abdomen blunt at the apex. 



Described from seven females and four males ( type, allotype, and para- 

 types). Type collected on Kaala Mt., Oahu, by O. H. Swezey, September 7, 

 1913; one 9 and two (5 , allotype and paratypes, at Xuuanu Pali, Oahu, by 

 Fullaway, April i, 1917. Paratypes: 4 $ and i $ Kaumuohona, Oahu, Tim- 

 berlake September 9, 1917; i 9 and i S Tantalus. Oalni. Oiffard. August 27 

 and December 22, 1918. 



Type : Cat. Xo. 2, Bishop Museum. 



3. Sierola iiii^rescciis u.^^. 



9 moderately slender, head and thorax dull l)lack. abdomen brilliant, 

 legs, antennae and mandibles fuscous. 



Head and thorax with a very fine, reticulate surface sculpture, finely 

 and only fairly closely punctate, hairy clothing short but rather thick beneath. 

 Head a little longer than wide, widest at the posterior end of the eyes, nar- 

 rowing slightly behind and in front, width between the eyes a little more 

 than the length from the eye to the vertex, flatly convex above, a little tumid 

 beneath, the greatest depth behind the eyes ; vertical margin straight, tem- 

 ples rounded, eyes flatly convex, antennae reaching the mesoscutum, segments 

 of the flagellum all longer than wide, pedicel twice as long as wide, antennal 

 fossae deep, clypeal process a spatulate beak horizontally extended, flat above 

 and finely carinate ; mandibles bent near the middle, the distal portion flat- 

 tened, truncate and blunt toothed on apical margin, the base not reaching the 

 eye ; cheeks narrow ; gula and sides of the head flat, the former as wide as 

 long, anterior margin semicircularly concave, posterior margin incised ; abdo- 

 men smooth, elongate and a little depressed; wings subinfuscate; length 

 2.75 mms. 



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

 dry forest. 4000 ft. elev.. by W. M. Giffard. July 6. 1918. 



Type : Cat. No. 3. Bishop Museum. 



19 



