Sphecoidea of Nebraska 73 
1898. Aphilanthops quadrinotatus Dunning, Trans. Amer. Ent. Soc., 
XXV, p. 24. 
Females 16: Ogallala (1), Bridgeport (1), Harrison (1) and 
Glen (13) ; June 24 to August 21; visits flowers of Solidago sp., 
Helianthus petiolaris and Gutierrezia sarothrae. 
Aphilanthops laticinctus (Cresson). 
1865. Philanthus laticinctus Cresson, Proc. Ent. Soc. Phil., V, p. 91. 
1898. Aphilanthops laticinctus Dunning, Trans. Amer. Ent. Soc., 
ZV; (p22. 
Males 26: Ogallala (3), Bridgeport (6) and Glen (17); June 
24 to August 21. 
Aphilanthops frigidus (F. Smith). 
1856. Philanthus frigidus F. Smith, Cat. Hym. Brit. Mus., IV, p. 457. 
1898. Aphilanthops frigidus Dunning, Trans. Amer. Ent. Soc., XXV, 
p. 20. 
1912. Nomada (Holonomada) dawsoni Swenk, Univ. Nepr. STUDIES, 
XII, p. 83. 
1915. Nomada (Holonomada) dawsoni Swenk, Univ. NEBR. STUDIES, 
SEV , Di 172) 
Males 30, females 12: Omaha (2), West Point (9), Ogallala 
(1), Bridgeport (23), Glen (3) and Monroe Canyon (1) ; June 
24 to August 23; visits flowers of Melilotus alba and Chrysotham- 
NUS SP. 
TRYPOXYLONINAE 
Trypoxylon Latreille 
KEY TO THE SPECIES 
ETERS Cag tle a eo oitaead Sm EtiSTs mala 2's ESTEE © we DA ata ere aerate 2 
MSMR Rr ELT SES Ne ass salle chin teleralgin = boohce sO bce Weg ciate een eC ec aaee II 
Dee rgumteim mot trisilicate §.1... 3 nc press ds dca cs creme oh ee Seer ee 3 
Meme TPP EVACTINEA LCS ek tars vay vsucbs o,tePocn:< och ocak muah treale Saal tat a seine aye ete 10 
een PaLHme ME TITUCO Y NLACKE 5.55\c ec'a'sas bee ke ed oeldaees geen vjnee wenatn 4 
ingamenh panded. witha: FEC GUSiin ay cho eshattoye sieeve hareiearelolsiele eleva steteretare 7 
4. Propodeum punctured or with very fine striations; size large, 18-25 
ET ~ * iiee S SE e R  e! MMR  AenTeR, arin Se OL At Ay 5 
Propodeum more or less striated or rugoSe .. 2.2.6. ccteesecvcse os 6 
S Wittes fulivinous, thorax with black pile. 2.60.6... ab cess of politum 
Wings with anterior pair fuscous, posterior ones except apex hyaline; 
thorax: with pale pubescence’ 061.4 a. sumes gens ss neem albipilosum 
