Superfamily BETHYLOIDEA 1225 



viridicyaneus (Norton), n. comb. Transcont. in Canad., Transit, and Austral Zones. Host: 

 Hoplisoides costalis (Cress.). Predator: Philantlms pulcher D. T. 

 Elanipus viridicyaneus Norton, 1879. Amer. Ent. Soc, Trans. 7: 235. 9. 

 Elampus spinosiis Provancher, 1881. Nat. Canad. 12: 302. 9. 



Genus HOLOPYGA Dahlbom 



Holopygo Dahlbom, 1845. Dispos. Method. Spec. Hym., pt. 2, p. 4. 



Type-species: Holopyga amoenula Dahlbom. Desig. by Ashmead, 1902 (=Chrysis 

 gloriosa Fabricius). 

 Halopyga (!) Tournier, 1878. Schweiz. Ent. GeselL, Mitt. 5: 305. 



Members of this genus are parasites of ground-nesting sphecid wasps. 



hora Aaron. Calif., Idaho, Nev., N. Mex., Colo., Wyo., Ariz., Mont., Kans., Tex.; Mexico (Baja 

 California, Oaxaca). 

 Holopyga horus Aaron, 1885. Amer. Ent. Soc, Trans. 12: 220. d, 9. 

 Hedychrurn continuum Aaron, 1885. Amer. Ent. Soc, Trans. 12: 224. 6, 9. N. syn. (R. M. 

 Bohart). 

 lazulina Dahlbom. 111., Tex. south to Argentina. 



Holopyga lazulina Dahlbom, 1854. Hym. Europaea, v. 2, p. 49. 

 ventralis (Say). Widely distributed throughout U. S., Canada and north. Mexico. Host: Bicyrtes 

 fodiens (Handl.), B. quadrifasciata (Say). Predator: Philaiithus pulcher D. T. 

 Hedychrurn ventrale Say, 1824. In Keating, Narr. Long's 2nd. Exped., v. 2, App., p. 330. 

 Hedychrurn asperum Brulle, 1846. Hist. Nat. Ins. Hym., v. 4, p. 52. 9. N. syn. (R. M. 



Bohart). 

 Holopyga Dohmi Dahlbom, 1854. Hym. Europaea, v. 2, p. 48. 

 Holopyga compacta Cresson, 1865. Ent. Soc. Phila., Proc. 4: 304. 



Biology: Evans, 1966. Compar. ethology and evolution of sand wasps, pp. 160, 169 (hosts). 



Morphology: Snodgrass, 1941. Smithsn. Inst., Misc. Collect. 99, no. 14, pp. 42-43, pi. 13 (male 

 genitalia). 



Genus MUESEBECKIDIUM Krombein 



Mueseheckidium Krombein, 1969. Ent. Soc. Wash., Proc. 71: 352. 

 Type-species: Hedychrurn obsoletum Say. Orig. desig. 

 obsoletum (Say). Widely distributed in North America in U. and L. Austr. Zones east of 100th 

 meridian. 

 Hedychrurn obsoleta Say, 1836. Boston Jour. Nat. Hist. 1: 284. ? 9. 

 Hedychrurn zimmermanni Dahlbom, 1845. Dispos. Method. Spec. Hym., pt. 2, p. 2. S. 

 occidentale Krombein. N. Mex., Ariz.; Mexico (Sonora, Durango). 



Mueseheckidium occidentale Krombein, 1969. Ent. Soc. Wash., Proc. 71: 357, fig. 13. S, 9. 



Genus PSEUDOLOPYGA Krombein 



Pseudolopyga Krombein, 1969. Ent. Soc. Wash., Proc. 71: 357. 

 Type-species: Holopyga taylori Bodenstein. Orig. desig. 

 taylori (Bodenstein). Mo., N. Mex., Ariz., Nev., Idaho, Calif. Host: Solierella affinis blaisdelli 

 (Bridw.); S. peckhami (Ashm.). 

 Holopyga taylori Bodenstein, 1939. Ent. News 50: 19. 6, 9. 



Hedychridium carrilloi Bohart and Brumley, 1967. Pan-Pacific Ent. 43: 232, figs. 1-4. 6, 

 9. 



Taxonomy: Carrillo and Caltagirone, 1970. Ent. Soc. Amer., Ann. 63: 677-679, figs. 8-11 (egg, 

 larvae, pupa, cocoon). 



Biology: Krombein, 1967. Trap-nesting wasps and bees, p. 443 (host). —Carrillo and 

 Caltagirone, 1970. Ent. Soc. Amer., Ann. 63: 677-679, figs. 8-12 (life historvi 



