360 BULLETIN 45, UNITED STATES NATIONAL Ml'SEUM. 



MAI.KS. 



AiitoniiH' nifoiis, fnscons tonanl tips; Iojjh riifons. 



Miir^iual cell tliricr as loii^; uh ttic niai'^iiiiil vein; alxloinei) rnfnns, the third seg- 

 ment no* more tlian twice as long as tlio I'oiirtli. 



V. MArRODYCTIt'M AbIiIII. 



Marginal cell not thricb the len>;th of the niar^iinal vein; alxloinen black, the 

 third Nc^nient ul)oiit I tiinc!) iih long as t!ie fourth. 



C. CALIFORNTCU8 Sp. DOV. 



ClnetUB mficornis, ap. nov. 



9. Lenfftb, 3""". Poliahed, black; aiiteima' rufous; tejjui.T and k'fra 

 brownish yellow. Antenna' ir» jointe<l, subclavjite, the tirst tiajjellar 

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

 to the eighth gradually subequal, the eighth nioiiiliform, tin* ninth, tenth, 

 eleventh, and twelfth, transverse, the last c<»ne sha])ed. Metathorax 

 carinated, the si)ace between the keels smooth, shining. Wings hya- 

 line, the venation brown, the marginal cell twice as h»ng as the margi- 

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

 shorter tlian th«' marginal. Abdomen conic-ovate, the petiole U times 

 as long as the metathorax, tlutetl, the second segment with ii h; igitadi- 

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

 seventh as long as the lourth, tifth, and sixth together, piceous, eigktU 

 very short, yellowish. 



Habitat. — Arlington, Va. 



Type ill Coll. Ashmead. 



CiretUB macrodyctium, sp. nov. 



S 9. Length, .'J to .3.^""". Black, polislied, pubescent; legsruims; 

 abdomen dull rufous, in 9 with the petiole black. Anteniuv in 5 about 

 as long as the body, filiform, 15 jointed, 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 tlie last 

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

 mate; in $ 14-jointed, the joints all l(»ng, cylindrical; the first three 

 rufous, the following fuscous; the first tiagellar 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 vehi almost straight, about half the length of the 

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

 head and thorax together, the petiole in $ strongly fluted, about twice 

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

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

 sulcus. 



Habitat. — Arlington, Ya., and West Cliflf, Colo. 



Types ill Coll. Ashmead. 



