The Sphevoidea of Nebraska 25 
19, 1906; altitude 4,000 ft. (P. R. Jones). Related to albosignatus 
Fox, but differs from that species as indicated in the above 
synopsis. 
Hoplisus albosignatus (Fox). 
1892. Gorytes albosignatus Fox, Canadian Entomologist, xxiv, p. 152. 
1895. Gorytes albosignatus Fox, Proceedings of the Academy of Nat- 
ural Sciences of Philadelphia, p. 533. 
One female, Sioux county, May; two males, Warbonnet canyon, 
June 8, 1901, on Symphoricarpus sp. (M. Cary). 
Genus Pseudoplisus Ashmead 
SYNOPSIS OF THE SPECIES 
MEER cree ars slater ari Pcee a cles MRA so hie vaeleavewdes vattakere age 5 
1. Suture between metanotum and scutellum not foveolate; wings 
yellowish ferruginous; abdomen with short, silky, golden 
FREE PTI Cae tan bet et ntcl alee eee syaialataie et sid) oifte'e eam nim <n phaleratus 
1. Suture between metanotum and scutellum foveolate.............. 2 
2. Suture between metapleuron and metathoracic epimeron fo- 
veolate for entire length; clypeus entirely black; front, 
venter, and last three dorsal segments of abdomen with 
large punctures; suture between triangular enclosure and 
Sides of metathorax foveclate. 2... ...c sk. casw ods varipunctus 
2. Suture between metapleuron and metathoracic epimeron not 
REMAN AMS ee cae Shin cv hore on bake UR ee SE 3 
3. Wings hyaline, marginal cell darker; clypeus partly yellow; meta- 
thorax with two red spots; form robust....... rufomaculatus 
3. Wings uniformly dark fuliginous; clypeus ‘entirely dark; form 
BaP HIN Cree algccie's wrere Geass ed alte ee tale oe oh ee 4 
4, Thorax black, ornamented with yellowish; second recurrent 
nervure interstitial with second transverse cubital, or 
TIVES IAG AES tO Nt ge A Se PR reg Ean a tere clr smith 
4. Thorax reddish brown, ornamented with yellow; second re- 
current nervure quite widely separated from second trans- 
ese igi tA. thre is dit gis wince cates eee at Gestehe Ose foridanus 
5. Suture between metanotum and scutellum foveolate.............. 7 
5. Suture between metanotum and scutellum not foveolate.......... 6 
6. Wings with a light yellowish cast; flagellum rather long, 
the joints rounded out beneath.................... phaleratus 
6. Wings dark fuliginous, the apex hyaline; flagellum shorter 
and somewhat clavate, the joints not rounded out beneath, 
propinquus 
347 
