MONOGRAPH OF THE NORTH AMERICAN PROCTOTRYPID.E. o73 



and .stout, i'eacliiii.i;' boyoiid the ocelli; the lirst flagellar joint ob- 

 conic, longer than the pedicel; the following joints transverse, sub- 

 moniliforni or i^erfoliated ; the last ovate, conical, or oblong. 



Maxillary palpi with joints 2 and 3 dilated. 



Thorax as in ZeJotypa^ the j)osterior angles of metathorax promi- 

 ]ient, acute, or toothed. 



Front wings pubescent, with a basal cell and a very long, lanceohite 

 marginal cell, wliich is usually open at tip; the marginal vein is short, 

 not or scarcely longer than the stigmal or the first abscissa of the 

 radius. 



Abdomen ovate, slightly pointed at tip; the petiole usually stout, a 

 little longer than thick, tinted. 



Legs similar to Ptmtoclis, but the anterior tibiae in the $ is twisted 

 and armed at the middle with a spine or tooth. 



TABLE OF SPECIES. 



M.irgiual cell not especially long, closed; the lu"8t hrancli of raillns oblique; antenna? 



(lark luscous Z. caufoknica, sp. nov. 



Marginal cell long, open; the iirst branch of radius straight Z. ajikuicana Ashm. 



FEMALES. 



First flagellar joint not twice as long as the pedicel Z. amkhicana Ashui. 



First flagellar joint about twice as long as the pedicel Z. texana, sp. nov. 



Zygota californica, sp. nov. 



$ . Length, 3.5"™. Black, shining, covered witli a fuscous pubescence. 

 Autennne 14-jointed, brown-black, extending to the middle of the abdo- 

 men; the first flagellar joint slightly shorter than the scape, strongly 

 excised at base ; the joints beyond from 3.i to 4 times as long as thick, the 

 last a little longer than the penultimate. Metathorax smooth, shining 

 between the central and lateral carinas Tegul.'e rufo-piceous. Wings 

 subfuscous, the venation piceous; the marginal vein is slightly longer 

 than the oblique first branch of the radius, the marginal cell closed. 



Legs brownish-yellow, tlie hind coxje slightly dusky basally, the an- 

 terior tibia? with a strong spine at about two-thirds its length. Ab- 

 domen black, liolished, wit'i a greyish pubescence ben(nith; the petiole 

 twice as long as the metathorax. 



Haeitat. — Placer County, Cal. 



Tyi^e in National Museum. 



Described from a single specimen collected by Mr. A. Koebele, in 

 September. 



Zygota aniericana Ashm. 

 (PI. XV, Fig. 3, t?.) 

 Can. TA\t., XX, \^. 54. 



$ 9 . Length, 3 to 3.')" '. Polished black, covered with a fuscous 

 pubescence. Antenna? lo-jointed, flliform-moniliform ; the first flagel- 



