294 FAUNA HAWAIIENSIS 



(i) Labeo Jiawaiiensis, sp. nov. 



f. Length i -9 mm. Black ; clypeus anteriorly and the mandibles pale yellowish ; 

 ocelli red, arranged on a slight curved line ; antennae about as long as the body, filiform, 

 light brown, pubescent, the joints of the flagellum subequal, the first not longer than 

 the scape and pedicel united, the last joint a little longer than the penultimate ; legs 

 brownish-yellow, the hind coxae and the middle and hind femora more or less 

 obfuscated. 



Head in front subconve.K, highly polished, impunctate, behind strongly concave, 

 the eyes rounded pubescent. Thorax narrowed anteriorly, the mesonotum minutely, 

 feebly punctate, with distinct parapsidal furrows which converge toward the base of 

 the scutellum ; metathorax longer than wide, finely rugulose. Wings hyaline, pubescent, 

 the tegulae and the stigma light brown, the veins more yellowish. Abdomen rather 

 small, depressed, in outline oblong-oval, shorter than the thorax, polished black, the 

 first segment foveate above. 



Described from a single specimen. 



Hab. Molokai Mts. (4500 feet), in August. 



Superfamily V. PROCTOTRYPOIDEA. 

 Family LIl. PROCTOTRYPIDAE. 



Proctotrvpes Latreille. 

 1796. Proctotrypes Latreille. Prec. car. gen. Ins., p. 108. 



(i) Proctotrypes hawaiiensis, sp. now 



$. Length 2-9 to 3-5 mm. Polished black, the two or three terminal abdominal 

 segments more or less at sides and beneath, and the aculeus at apex, reddish ; antennae 

 brown, becoming blackish toward apex, the ring-joint and the first joint of the flagellum 

 more or less yellowish ; legs, except coxae which are black, ferruginous. 



The head is transverse, about three times as wide as thick antero-posteriorly, with 

 the ocelli pale and arranged in a triangle. The pronotum at the sides is lineated, 

 with the lateral anterior angles acute. The mesonotum and the scutellum are smooth 

 impunctate ; while the metathorax at the sides and posteriorly is rugulose, with two 

 oblong areas on the metanotum as in P. abruptns Saj-. Wings hyaline, the internal 

 veins entirely obliterated, the stigma brown, the costal and subcostal veins ver)- pale 

 or yellowish, the tegulae testaceous. 



