MONOGRAPH OF THE NORTH AMKRICAN PUOCTOTRYPID/E. .'i73 



and stout, reiu-hiuj; beyond the (hm'IH; tln^ hist tliiyelliu' Joint ob- 

 conio, lon^'er than the pedi(iel; the, foUowiii}; joints tiansveise, sub- 

 nioniliforui or pertbliat«'d; the hist ovate, eonical, or oblong. 



Maxilhiry palpi with joints li and 3 dilated. 



Thorax as in Zilofijpa, tln^ posterior an},des of metathorax promi- 

 nent, acute, or toothed. 



Front winy:s pubescent, with a basal cell and a very lonj(, lanceolate 

 marginal cell, which 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 Pautoclis, but the anterior tibiae in the <J is twisted 

 and armed at the middle with a spine or tooth. 



TAHLK or SPEOIES. 



MAI.KS. 



Miirginal cell not esiMscially long, closed ; the first Itrauch of r.'ulins o1>li<iue ; anteuniu 



dark fuscous Z. cai.ikounica, sp. nov. 



Marginal «<'ll long, open; tbe first braudi of radius straiglit Z. ameuicana Asiim. 



KKArAI.KS. 



First flagellar joint not twice as long as tlie ptdicel Z. amkricana AhLui. 



First flagellar joint about twice as long as tbe pedicel Z. tkxana, sp, nov. 



Zygota californica, sp. nov. 



S . Length, 3.5""". Black, shining, covered with a fuscous pubescence. 

 Antennae li-jointed, brown-black, extending to the middle of the abdo- 

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

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

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

 between the central and lateral carina'. Teguhe rufo-piceims. Wings 

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

 tlian the obIi([ue first branch of the radius, the marginal cell closed. 



Legs brownish-yellow, the hind coxai slightly dusky basally, the an- 

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

 domen black, polished, witli a greyish pubescence beneath; the petiole 

 twice as long as the metathorax. 



Haijitat. — Placer County, Cal. , . . .. ., 



Type in National Museum. ... 



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

 September. ... - . ; . ..• ■ . . . 



= ■' Zygota americaua Asbm. • • •_; 



-*-\;~ ':. ":^"": ::: ::^ (Pi- xv, Fig. 3, ^ .) ,' ■■: .„■• _ . Z:l - 



' ■' '■ .... ., . . _ :ti!?t-'.. '- • ' . 



. ^ C an. Ent., xx, p. ;j4. 



$ 9 . Length, 3 to 3.5' '. Polished black, covered with a fuscous 

 pubescence. Antennse lo-jointed, filiform-moniliform ; the first flagel- 



