126 Xcic S farcies of Sicrohi, Willi li.v/^laiiafory Notes. 



from tlic larva of a species of Ihitrdchcdin infesting a fern (Acrostuliiini 

 sp. ). 



Type: Cat. Xo. 106, l>isliop iMuseuni. 



107. Sicroki similiiris 11. sp. 



9 shinin.n hiack, a little dull on the head: i)r(ithorax, le.iis. anlenn;e and 

 iiiaiidihles yellowish hrowii. 



llead and thorax with a niieroseopieally line reticulate surface sculp- 

 ture, a little coarser on the head ; linely, shallowly, fairly closely punctate, 

 and hairy, llead as wide as long, widest across the eyes, narrowing behind 

 and in front, width between the eyes considerably more than the length from 

 eye to vertex, length in front of the eyes not great; flat above, depressed in 

 front, tumid beneath, the greatest depth beneath the posterior end of the 

 eye ; vertical margin straight, temples rounded, eyes convex ; antennae reach- 

 ing the mesoscutum, all the segments longer than wide, pedicel more than 

 twice as long as wide, antennal fossae deep ; clypeus short, carinate, apically 

 depressed and projecting slightly in front of the anterior margin of the 

 head, sloping at the sides, the carina extending backward shortly on the top 

 of the head ; mandibles slender, curved, truncate apically and toothed, base 

 touching the eye above ; gula convex, not much foreshortened, anterior and 

 posterior margins arcuately concave ; abdomen ovate, smooth and polished : 

 wings subinfuscate : length 2.25 mms. 



Described from one female ( type ) collected at Waimano, Oahu. by O. 

 \l. Swezey, January 5, 191,3. 



Type : Cat. Xo. 107, Bishop Museum. 



108. Sierola fossiilata 11. sp. 



$ shining black : mandibles, cox.-e, femora, and flagellum of the anten- 

 n;e fuscous, trochanters, tibi;e, tarsi and scape of the antennae yellowish 

 brown. 



llead and thorax to the propodeum with a microscopically tine reticu- 

 late surface sculpture ; coarsely, shallowly and fairly closely punctate ; clothed 

 with short, fairly stiff white hairs. Head wider than the thorax, as wide as 

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

 the eyes nearly twice the length from eye to vertex ; convex above, tumid 

 beneath, the depth beneath the eye equal to the length behind the eye ; ver- 

 tical margin slightly convex, temples rounded, eyes convex ; antennae reach- 

 ing the mesoscutum, all the segments longer than wide, the pedicel twice as 

 long as wide, antennal fossje deep : clypeus more or less convex, indistinctly 

 carinate, apically depressed and projecting slighth- in front of the anterior 

 margin of the head, which is angulate, not transverse, sloping at the sides, 

 the carina extending backward shortly on the top of the head; mandibles 

 slender, bent and twisted at the middle, the distal portion flattened, trun- 

 cate apically and toothed, base not reaching the eye ; gula and sides of the 

 head flat, the former medially foreshortened, wider than long, median line 

 with a deep sulcus posteriorly, anterior margin arcuately concave, posterior 

 margin incised, the lower lobe of the base of the mandibles deeply notching 

 the anterior margin at the side; propodeum rugose and dull; abdomen ovate, 



I 72 ] 



