MONOGRAPH OF THE NORTH AMERICAN PROCTOTKYPID^. 57 



CALTOZA Weatwood. 



(PI. IV, Fig. 3, <?.) 



Thes. Ent. Oxou., p. 156. 1874. 



(Ty^e, ('. ataphylinoideaV^estw.) 



Head large, subconvex; eyes placed at the side of the bead before 

 the middle; ocelli distinct. 



Aut^niUTB 13-joiu ted, joints 2 and 3 minute, joints 4 to 12 in S ramose, 

 in 9 simple, cylindricnl. 



Maxillary palpi moderately elongated, G-jointed, joints 1 and 2 short, 

 the 4 following longer, nearly equal and gradually more slender ; maxilla 

 small, terminating at apex in three flat, membranaceous, ciliated lobes; 

 hibial palpi short, 3-jointed; mentum subobovate. 



Mandibles elongate, in S broadly obliquely truncate at apex, with a 

 large apical tooth, followed by small obtuse teeth ; in $ with large irreg- 

 ular teeth, internal tooth obtuse; beneath armed with rigid bristles; the 

 apical middle tooth large, triangular; external small, obtuse. 



Thorax: Prothorax large, subtriangular, anteriorly rounded; meso- 

 thorax without furrows; metathorax longitudinally sulcate and trans- 

 versely striolated. 



Front wings with a large stigma, an incomplete marginal and two 

 basal cells. 



Legs of the usual form; claws acute, broad at base, and armed with 

 a tooth at the middle. 



A genus not found in America, north of Mexico, but readily known 

 by the branched antennse in the male. 



EPTRIS West wood. 



Phil. Mag., 1832, p. 129; Hal. Ent. Mag., iv, p. 432; Forst. Hym. Stud., ii, p. 96; 



Westw. Thes. Ent. Oxon., p. 157. 



(Tjrpe, E. niger Westw.) 



Head oblong, not much longer than wide, subconvex, wider than 

 thorax; eyes hairy; ocelli distinct. 



Antennae 13-jointed, long, slender, cylindrical, much shorter in 9 , the 

 scape thickened and several times longer than the pedicel, the follow- 

 ing joints short, submoniliform, nearly equal in length. 



Maxillary palpi long, 6-jointed, the three basal joints thickened, the 

 first minute, the second and third gradually longer, the last three long, 

 slender; maxilla terminating in two oval membranaceous lobes, ciliated 

 at apex; labial palpi 3 jointed, the joints gradually becoming longer; 

 mentum small, somewhat broad at apex. 



Mandibles falcate, the apex oblique, 5-dentate, the outer tooth large, 

 acute. 



Thorax: Prothorax triangular, the apex rounded and with a deep 

 transverse furrow above ; mesothorax trapezoidal, the mesonotum with 

 two distinct furrows ; scutellum with a transverse furrow or fovea at 

 biise; metathorax transverse or subquadrate, longitudinally carinated. 



