1868.] PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. <]25 



RHYSIPOLIS Forster. 

 Rhysipolis carinatus n. sp. 



Male. — Length, 8 nn \ Head and thorax black, coarsely shagreened, 

 and covered with pale sericeous hairs; abdomen, except the 1st segment, 

 and the legs, except coxa 1 , ferruginous. Head short, transverse ; eyes 

 within, opposite the base of antenna?, slightly emargiuate; mandibles 

 rutous, the tips black; palpi, pale; ocelli, yellowish; antenna', 02- 

 jointed, black ; parapsidal grooves sharply defined ; scutellum with a 

 deep transverse fovea at base ; metathorax rugose with median and 

 lateral keels; abdomen, long, the sides nearly parallel; no plate on 1st 

 segment; the 1st and 2d segments with a longitudinal keel medially, 

 the sculpture coarser than on the following segments, somewhat longi- 

 tudinally aciculated; the other segments are smoother. Wings, hya- 

 line, strongly iridescent, the stigma black, veins brown; thesubmedian 

 cell is much longer than the median ; the recurrent nervure joins the 

 1st submarginal between the middle and its apex, the 2d submarginal 

 cell being subquadrate. 



Habitat. — Texas. 



Described from one specimen in Belfrage collection. 



Rhysipolis orchesiae n. sp. 



Female.— Length, 2 mm ; ovipositor, f mm . Black, smooth, polished; 

 palpi and legs, yellowish white. The antenna? are broken off at tips, 

 two basal joints pale yellow, flagellum, black ; parapsidal grooves, dis- 

 tinct, not, however, extending to base of scutellum ; the middle lobe 

 is delicately rugose posteriorly ; side of collar, mesopleur.*e, excepting a 

 subconvex space below posterior wings, and metathorax, rugose ; abdo- 

 men ovate, subpetiolated, the two basal segments longitudinally stri- 

 ated, the following segments smooth polished. Wings, hyaline, irides- 

 cent, veins, brown; venation as in species just described, excepting the 

 2d submarginal cell is trapezoidal. 



Habitat. — Grand Ledge, Michigan. 



Described from a single female, labeled No. 2465°, reared from a 

 pupa of Orchesia castanea, taken at Grand Ledge, Michigan, July 24, 

 1881. 



Subfamily SPATHIINiB. 



SPATHIUS Nees. 



Spathius sequoiee n. sp. 



Female.— Length, 3 mm ; ovipositor, If""". Reddish-brown; sutures, 

 mesopleune, and metathorax blackish; abdomen from the middle of 

 2d segment piceo-black. Head subquadrate, smooth, polished; .-yes 

 black; mandibles very small, bidentate, the teeth and tips black; an- 

 tenna? long, slender, 25-jointed ; thorax delicately shagreened : parapsi- 

 dal grooves distinct, converging and meeting about the middle of the 

 mesonotum, the middle lobe with a deljcate longitudinal ]jne down the 

 Proc, F, Mi 8S 4Q ^ JO pr.x5,(i&± 1 _ y 





