Sphecoidea of Nebraska 37 
dorsal abdominal segment entirely black ; otherwise it agrees with 
the description of spilopterus. 
Hoplisoides lamniferus (Fox). 
1895. Gorytes lamniferus Fox, Proc. Acad. Nat. Sc. Phil., p. 532. 
Males 8: Rulo (3), South Bend (1), Louisville (1), West 
Point (2) and Halsey (1); June 25 to August 9; visits flowers 
of Melilotus alba. 
Hoplisus LePeletier 
KEY TO THE SPECIES 
1. Posterior face of propodeum coarsely reticulate ..............22005- 2 
Rostenior faceoff propodeum almost smooth ...0.......0..-.60.+s 0. 5 
2. Flagellum yellow beneath, black above; sculpture of enclosure of pro- 
podeum coarsely and irregularly rugose ................. asperatus 
Flagellum entirely black, or with the basal joints reddish .......... 3 
3. Supraclypeal area black; propodeum with two yellow spots; yellow of 
inner eye margins narrow; apical abdominal segments yellow, 
: elegantulus 
Supraclypeal area yellow; propodeum without yellow spots ........ 4 
4. Tubercles yellow; wings decidedly yellowish basally ...... albosignatus 
Tubercles black; wings not, or but slightly, yellowish basally..corrugis 
5. Posterior face of propodeum very slightly rugose; propodeum with 
EWOMVE LOWES OLIN Shectemp sie orcko atleast epee ete ic te tol cieus siesatorer ae simillimus 
Posterior face of propodeum with large, sparse, shallow punctures; 
propodeum with two large rufous spots; sixth and seventh abdomi- 
Pale seeinents..TOLOUs ous canine «aU sldeina bik otiees ewe rufocaudatus 
Hoplisus asperatus (Fox). 
1895. Gorytes asperatus Fox, Proc. Acad. Nat. Sc. Phil., p. 534. 
Females 2: Rulo, July 1, 1915 (L. Bruner), and Lincoln, June 
21, 1912 (R. W. Dawson). 
Hoplisus elegantulus H. S. Smith. 
1908. Hoplisus elegantulus H. S. Smith, Univ. Nese. Stupres, VIII, 
p. 346. 
Males 4: Glen (1) and Monroe Canyon (3); August 6 to 19. 
Hoplisus albosignatus (Fox). 
1892. Gorytes albosignatus Fox, Can. Ent., XXIV, p. 152. 
1895. Gorytes albosignatus Fox, Proc. Acad. Nat. Sc. Phil., p. 533. 
Males 2, females 1: Warbonnet Canyon (2) and Sioux county 
(1); May and June. 
355 
