202 AMERICAN HYMENOPTERA. 



Ifletopius niontaiiiis Cress., Proc. Ent. Sec. A. N. S., 1879, xxviii, %. 



M. concinnus Cress., ibid. % . 



M. mirandus Cress.; ibid, xxix, 9 • 

 9 . — 13 mm. Black, with facial shield, except central line, scape, orbits at side, 

 scntellum at apex and postscutellum. four anterior trochanters, parts of coxse and 

 apex of femora, abdominal segments 1 and 4-6 entirely, except at extreme base, 

 and apical third of segments, yellow; basal half of antennse, palpi, tegulse, line 

 in front and large spot beneath, spot on each side of metanotum. four anterior 

 legs, posterior tibise, tarsi and femora without, apical half of segment 2 and mid- 

 dle fourth of segment 3, rufous; wings rufo-fuscous with dusky streaks; ab- 

 domen broad, clavate ; hind femora and coxse on the inside, black. 



% . — Same as the female in color markings, except that the rufous on the thorax 

 and abdomen is replaced in part or entirely by yellow, and the hind femora and 

 coxa3 are entirely black and yellow ; the wings have the same dusky streaks and 

 the general form is the same, except that the abdomen in the male is slightly 

 more slender. 



One female and two male specimens from Colorado, Nevada and 

 Sonoma County, California (types coll. Amer. Ent. Soc). 



Metopius pulchellus Cress.. Proc. Ent. Soc. Phil., iv. 271. 



p . — 10 mm. Eufous, with sutures more or less black, and with yellow mark- 

 ings as follows : face, palpi, scape, tegulse, line in front, another beneath, a spot 

 on pleura, a large and small spot above hind coxse, apex of scntellum, postscutel- 

 lum, four anterior legs except femora, trochanters, apex of femora, base of tibiae 

 and spot on coxte of hind legs, abdominal segments 1, and 3-6 except base, and 

 apical margin of segment 2 ; wings varied with fuscous spots, deepest on costal 

 margin ; abdominal segments biemarginate at apex ; carinse on segment 1 small 

 and scarcely elevated ; facial shield flat. 



Three specimens, Colorado, Las Cruces, New Mex., and Rapid 

 City, South Dakota (type, coll. Amer. Ent. Soc). 



PSEUDOxHETOPIUS n. g. 



This genus is closely allied to Metopius, but has no facial shield 

 and the middle tibiae are armed with two spurs. The head is trans- 

 verse, broader than long ; antennse long, gradually tapering ; eyes 

 distinctly emarginate opposite insertion of antennae ; second segment 

 of maxillary palpi not greatly enlarged as in Metopius. Thorax 

 plump, strongly punctured ; parapsidal grooves distinct ; scntellum 

 shelvino-, oval at apex, margined ; metathorax reticulate. Abdomen 

 not narrowed at base, deeply and coarsely punctured ; segments 1-3 

 with dorsal parallel carinse ; ovipositor not exserted. Legs short, 

 femora slender, not swollen. 



Pseudometopius hagenii Cress. (Metopius), Trans. Am. Ent. Soc, iv, 168. 



-t 9 . — 14 mm. Black, with yellowish white markings as follows : short line 



in emarginate portion of the eyes, an inverted U beneath antennse punctured 



with two black dots on clypeus, spot beneath eyes, labrum, palpi, most of mandi- 



