360 BULLETIN 45, UNITED STATES NATIONAL MISEUM. 



Antcnnsp rufous, fuscous torvard tips; legs rufous. 



Margiual cell thrice as long as tlie uiarginal vein; abclomeu rufous, the third seg- 

 ment not more than twice as long as the fourth. 



C. MACRODYCTIUM Aslim. 



Marginal cell not thrice the length of the marginal vein; abdomen black, the 

 third segment about 1 times as long as the fourth. 



C. CALIFOUNICUS S\). DOV. 



Cinetus ruficornis, s-p. no v. 



9. Length, S'""', Polished, black; a nteniue rufous; tegul.ip and legs 

 brownish-yellow. AnteiiniP 15 jointed, subclavate, the first tiagellar 

 joint a little more than twice as long as the pedicel, the joints beyond 

 to the eighth gradually subequal, the eighth moniliform, the ninth, tenth, 

 eleventh, and twelfth, transverse, the last cone shaped. Metathorax 

 carinated, the space between the keels smooth, shining. Wings hya- 

 line, the venation brown, the marginal cell twice as long as the margi- 

 nal vein, the first branch of the radial vein slightly oblique, a little 

 shorter than the marginal. Abdomen conic-ovate, the petiole li times 

 as long as the metathorax, fluted, the second segment with a longitudi- 

 nal sulcus at base, the third segment twice as long as the fourth, the 

 seventh as long as the fourth, fifth, and sixth together, i)iceous, eighth 

 very short, yellowish. 



Habitat. — Arlington, Va. 



Type in Coll. Ashmead. 



Cinetus macrodyctium, sp. nov. 



$ 9. Length, 3 to 3i"'"'. Black, polished, pubescent; legs rufous; 

 abdomen dull rufous, in 9 with the petiole black. Antennae in 9 about 

 as long as the body, filiform, lojointed, dark fuscous, pubescent, the 

 first two joints rufous; first flagellar joint about one-third longer than 

 the second, the joints beyond to eighth gradually shortening, the eighth 

 being about half the length of the second; the joints from 8 to the last 

 short, all, however, longer than thick, the last longer than the penulti- 

 mate; in S 14-jointed, the joints all long, cylindrical; the first three 

 rufous, the following fuscous; the first flagellar joint is as long as the 

 scape, and a little longer than the second, excised at base. Wings 

 hyaline, pubescent, the marginal cell thrice as long as the marginal 

 vein; the stigmal vein almost straight, about half the length of the 

 marginal, or a little longer in the S . Abdomen a little longer than the 

 head and thorax together, the petiole in S strongly tinted, about twice 

 the length of the metathorax, in 9 a little shorter; rest of the body 

 polished, iiubescent; the second segment at base with a longitudinal 

 sulcus. 



Habitat. — Arlington, A'a., aiul West Cliff, Colo. 



Types iu Coll. Ashmead. 



