374 BULLETIN 45, UNITED STATES NATIONAL MUSEUM. 



lar joint not twice as long us the pedicel, the three following joints 

 nearly round, the remaining to the last, transverse-monilifonn, sub- 

 pedicellate, the last cone-shaped. Mesonotal furrows broad, distinct. 

 Scutelluni with a deep dei)ression at base. Metathorax carinated. 

 Legs, including coxa*, honey yellow, the first joint of anterior tarsi 

 long, deeply eniarginate at l)ase. Wings fusco-hj-aline, pubescent, the 

 venation brown, the marginal cell very long, not (piite closed, the mar- 

 ginal vein very little longer than the tirst abscissa of radius. Abdo- 

 men ovate, black, slightly rufous basally, the venter densely pubescent, 

 the petiole scarcely twice as long as wide, fluted. 



The S antenuic are li-jointed, long, tiliform, pubescent, the pedicel 

 rounded, tlie first flagellar joint about 5 times as long as thick, excised 

 basally, the ibllowing joints shorter. The anterior tibi;e is twisted and 

 produced outwardly into a strong tooth or si)ine, the apical spine long, 

 curved. 



Habitat. — Ottawa, Canada. 



Tyi)es in Coll. Ashmead. 



Zygota texana. sp. nov. 



9 . Length, 3""". Black, shining, somewhat densely covered with a 

 fine fuscous pubescence; the apex of the seventh dorsal abdominal 

 segment and the last ventral segment, rufous; antennaM^ufous; tegula? 

 and legs brownish-yellow; palpi and mandibles j^ale. 



Antennre lo-jointed, moniliform, the first flagellar joint ab<mt twice 

 as long as the i)edicel, the last oblong, the five jn-eceding transverse- 

 moniliform. Wings subfuscous, the venation brown, the marginal cell 

 very long, more than 5 times as long as the marginal vein, the latter 

 scarcely longer than the first abscissa of radius, the latter almost 

 straight. Metathorax car iiuited. Abdomen abcmt as long as the head 

 and thorax together, the petiole along the sides and at apex, and the 

 venter, densely ])ubescent, the second segment laterally very finely 

 punctate. 



Habitat. — Texas. 



Tyiie in Coll. Ashmead. 



ACLISTA Forster. 

 Ilym. Stud., ii, p. 128 (1856). 



Head globose or subglobose, the cheeks usually lull; ocelli 8, small, 

 in a triangle, not prominent; eyes rounded, pubescent. 



Antennie inserted usually on a very prominent frontal projection; 

 in 9 15 jointed, iucrassated or clavate-moniliform; scape stout, reach- 

 ing far above the ocelli; pedicel smaller than the first flagellar joint, 

 the latt(M' usually only a little longer than thick; tlie following joints 

 all moniliforni or transverse-submoniliform, sometimes slightly pedicel- 

 late; in $ long, filiform, 14-jointed, covered with a short, dense pubes- 



