NO. 1866. NEW 8AWFLIE8 IN U. 8. NATIONAL MV8EUM—B0HWER. 379 



thickening apicall}^, the first two joints subequal, the third longer 

 than the fourth, the apical one longer than the preceding one, the 

 apex pointed; scutellum obtusely pointed posteriorly; tarsal claws 

 long and simple ; hypopygidium with large punctures, the apex nar- 

 rowed, obtusely rounded. Black, mesonotum and scutellum dark 

 red; wings brown, venation black. 



Cordoba, Mexico. One male collected on December 6, by F. Knab. 



Type.— Cat. No. 13985, U.S.N.M. 



CONOCOXA, new genus. 



Kather small, robust species with a habitus very like Acordulocera 

 Say; head nearly as wide as the thorax, rectangular when seen from 

 above; eyes at the side of the head, large, their inner margins par- 

 allel; malar space present but narrow; antennae inserted close to 

 the clypeus, simple, seven-jointed, pedicel subequal in length with 

 the scape, third joint much longer than fourth; clypeus small and 

 not separated by a supraclypeal suture ; labrum rather large ; lateral 

 ocelU sHghtly above the supraorbital line; thorax like Acordulocera; 

 claws long simple; four anterior legs simple; posterior coxse and 

 femora much enlarged, especiallj^ in the male where they remind 

 one of Chalis; in the male the posterior trochanters are armed with 

 a spine; tibiae without a superapical spur; venation differs from 

 Acordulocera as follows: Costa uniform in thickness; first transverse 

 cubitus only partly wanting; anal vein straight with a stump (A^) 

 projecting forward so that an incomplete petiolate anal cell is pres- 

 ent ; hind wings rather broader than in Acordulocera; tliird anal vein 

 of liind wings ])resent ; abdomen similar to Acordulocera. 



Genotype. — Conocoxa chalicipoda Rohwer. 



CONOCOXA CHALICIPODA, new species. 



Head and thorax black; abdomen partly ferruginous. 



/^gmaZe.— Length 4 nmi. Clypeus obtusely rounded anteriorly; 

 antennal fovea elongate; middle fovea deep, circular, small; anterior 

 ocellus in a small diamond-shaped basin ; antennal furrows complete ; 

 postocellar furrow present, well defined; postocellar line equal to 

 the ocellorbital line; stigma very large, not twice as long as broad; 

 sheath large, obtusely rounded at the apex. Black: abdomen except 

 basal dorsal segments and apex of sheath ferruginous; legs fer- 

 ruginous, base of coxas, four anterior femora above, posterior tibiae 

 above and apical joints of tarsi black. Wings slightly dusky, hya- 

 line; venation pale brown, stigma and costa pallid. 



Male. — Length 5 mm. Middle fovea elongate; postocellar fur- 

 row and ocellar basin not as strong as in female; posterior coxae 

 tuberculate beneath; posterior trochanters with a long curved prong 



