MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID^. 359 

 CINETUS J urine. 

 Hyni., p. 310 (1807); l-Y.rster. llyiu. Sttul., ii, pp. 130, 138 (1856). 



Head transverse, or subglobose, the occiput rounded; ocelli small, 

 triangularly arranged on the vertex; eyes oval, i)ubeseent. 



Antennoe inserted on a frontal prominence; in $ 15-jointed, filiform, 

 or at the most subfiliform, rarely slightly thickened at tips, the scape 

 long", cylindrical, reaching considerably beyond the ocelli ; pedicel small, 

 rounded, the first flagellar joint from one-half to two-thirds the length of 

 the scape; the following joints cylindrical, becoming quite short before 

 the last, the last a little longer than the penultimate: it is rare that 

 the joints are moniliform; in $ 14-jointed, very long, cylindrical", sub- 

 setaceous, xnibescent, the scape slender, a little longer than the first 

 flagellar joint; pedicel rounded; first flagellar joint excised at base, 

 the following joints five or more times longer than thick. 



Maxillary i^alpi .5-jointed; labial palpi 3-jointed. 



Mandibles short, curved, with a small tooth within. 



Thorax subovoid, the pronotum ijroduced anteriorly into a small, 

 rounded neck; mesouotum longer than wide, with two furrows; scii- 

 tellum convex, with a profound fovea at base; metathorax short, cari- 

 nated, the posterior angles not prominent or produced into a tooth. 



Front wings broad, pubescent, with a basal cell, a closed marginal 

 cell about as long as the marginal vein or longer, the first branch of the 

 radius slightly oblique and the ])Ostmarginal nervure well developed. 



Abdomen conic-ovate, with eight segments, the petiole iu both sexes 

 very long, four or more times longer than thick, the third segment lon- 

 ger than the fourth. 



Legs slender, pilose, the femora subclavate, the tarsi very long, slen- 

 der, the posterior tarsi longer than their tibiae, the basal joint 2i times 

 as long as the second, the tibial spurs weak, scarcely discernible. 



TABLE OF yPEOIES. 



PolislH'd black; nl)domen somotiiiK'S infons. 

 Antenna' somewhat thickened toward tips, rnfous, joints 8 to 14 transverse- 

 quadrate. 

 Marginal cell a little more than twice the length of the marginal vein. 



C. itUFicoKNis sp. nov. 

 Antenna- liliform, tlie flagellnm fuscous. 



Second liagellar joint two-thirds the length of the first; marginal cell 3 times 

 the length of the marginal vein; body of abdomen dull rufous 



basally C. mackopyctium Ashru. 



Second and first tlagelhir joints equal; lesfs honey-yellow; abdomen l)lack. 



Marginal cell twice as long as the marginal vein; llagellar joints 13 and 14 



equal C. micllipes Say 



Marginal cell thrice as long as the marginal vein; llagellar joint 13 dis- 

 tinctly longer than 14 C. SIMILIS sp. nov. 



