398 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Nomen Nudum in Stigmus Panzer 



*Stignius coloradensis Ashmead, 1889. In Cockerell. Colo. Biol. Assn., 

 10th Kept., [p. 2] (probably published originally in Custer County 

 Courant newspaper). 



Genus PASSALOECUS Shuckard, pp. 967-968 



annulatus (Say). Nest in boring in sumac pith. Prey: Macrosiphum sp., 

 nymphs; adult Neotlwmasia populicola (Thos.). 

 Biology: Krombein, 1958. Biol. Soc. Wash. Proc. 71: 24. — Krombein, 

 1960. Ent. News 71: 35-36. 



cuspidatus Smith. The oldest available name for the species called mandi- 



bularis (Cresson) in Catalog {teste K. V. Krombein, who has 



examined the types) . 

 Biology: Krombein, 1958. Biol. Soc. Wash. Proc. 71: 24-25. 

 Taxonomy: Evans, 1958a, loc. cit. supra, pp. 131-132, figs. 60-64 (larva). 



— Evans, 1959a, loc. cit. sxipra, p. 167 (larva). — Evans, 1964, loc. 



cit. supra, pp. 250-251 (larva). 



gertrudis Krombein. Pa. 



ithacae Krombein. Mich. 



Taxonomy: Evans, 1964, loc. cit. supra, pp. 249-250, fig. 22 (larva). 



mandihularis (Cresson). Syn. of cuspidatus Smith; delete ? before ref. to 

 cuspidatus, 



relativus Fox. Prey: Nymphs of Aphis sp. 



Biology: Krombein, 1958. Biol. Soc. Wash. Proc. 71: 25. 



*turionujn Dahlbom. Md., Va., N. C, Ohio, Ind., Mich.; introduced from 



Europe. Nests in twigs. 

 Passaloecus turionum Dahlbom, 1845. Hym. Eur. 1: 246. 9, $. 

 * Passaloecus brevicornis Morawitz, 1864. Acad. Sci. St. Petersburg Bui. 



7: 462. 9, $. 

 Taxonomy: Krombein, 1961. Ent. News 72: 258-259. 



Genus SPILOMENA Shuckard, pp. 968-969 



alboclypeata Bradley. B. C, Oreg., Calif., Idaho, Mont., Utah, Ariz., N. Mex., 

 Colo., Kans., W. Va., Va. Prey: immature Thysanoptera. 

 Taxonomy and Biology: Krombein, 1958. Ent. Soc. Wash. Proc. 60: 60, 

 figs. 4, 4a, 6. 



ampliceps Krombein. 



Taxonomy: Krombein, 1958. Ent. Soc. Wash. Proc. 60: 60, figs. 3, 3a. 



*barberi Krombein. Mass., N. Y. and Ont. south to Ga. and Tenn., Iowa, 

 Kans., Colo., N. Mex., Ariz., Utah, Calif. Nests in abandoned 

 anobiid borings in wood. Provisions with immature thrips. 

 Spilomena barberi Krombein, 1962. Biol. Soc. Wash. Proc. 75: 12. $,9. 



pusilla (Say). Md. Prey: immature Sericothrips. 



Biology and Taxonomy: Krombein, 1958. Ent. Soc. Wash. Proc. 60: 53, 

 61, figs. 2, 2a, 5. 



Genus XYSMA Pate, p. 969 



ceanothae (Viereck). Md., Ga. Nests in deserted anobiid beetle burrows in 

 wood. Prey: larvae of Thripinae. 

 Biology and Taxonomy: Krombein, 1958. Biol. Soc. Wash. Proc. 71: 25. 



Subfamily SPHECINAE 



Taxonomy: Evans, 1959a, loc. cit. supra, pp. 147-149, figs. 31-35 (larvae). 

 — Bohart and Menke, 1963. Univ. Calif. Pubs. Ent. 30: 91-182, 

 115 figs, (reclassification). 



