Superfamily SPHECOIDEA 1671 



melanius (Rohwer). Alta., Colo., N. Mex., Ariz.; Mexico (Chihuahua, Durango, Morelos). 

 Thyreopus (Blepharipus) melanius Rohwer, 1911. U. S. Natl. Mus., Proc. 40: 565. 9,6. 



nigricornis (Provancher). Newfoundland to B. C, Yukon and Alaska, south to N. C, Tenn., 

 Nebr., in mts. south to N. Mex. and Calif. Ecology: Nests in Sambiiciis stems and in 

 twig of Hving box elder tree; one nest 20.5 cm long, Hnear, contained 11 cells each with 

 6-14 prey per cell. Prey: Primarily Dolichopodidae and Empididae especially 

 Platypalpus sp., but also Ceratopogonidae, Mycetophilidae, Chironomidae, Tipulidae, 

 Phoridae, Chloropidae, other acalyptrate Cyclorrhapha, Muscidae and Anthomyiidae. 

 Blepharipus nigriconiis Provancher, 1888. Addit. Corr. Faune Ent. Canada Hym., p. 294. 

 (J. 



Biology: Pate, 1944 (1943). Lloydia 6: 306-307 (nest, prey). 



nitidiventris (Fox). Que. and Ont. to Ga. west to Minn, and Tex. Prey: Neplirotoma virescens 

 Lw., Tipulidae sp. 

 Crabro nitidiventris Fox, 1892. Ent. News 3: 9. 9. 



Taxonomy: Krombein, 1953. Wasmann Jour. Biol. 10: 338. 9. 



Biology: Krombein, 1967. U. S. Dept. Agr., Monog. 2, Sup. 2, p. 420 (prey). 

 stictochilos Pate. Mass. to Ga., Mich., Ill, Ark. Ecology: Nests in pith of green Hibiscus stem. 

 Prey: Diptera. 

 Crossocerus (Blepharipus) stictochilos Pate, 1944 (1943). Lloydia 6: 304. 9, 6. 



Biology: Krombein, 1964. Biol. See. Wash., Proc. 77: 90 (nest, prey, cocoon, life cycle). 

 stricklandi Pate. Alta., B. C, Wyo., Colo., Utah. 



Crossocerus (Blepharipus) stricklaiidi Pate, 1944 (1943). Lloydia 6: 301. S. 

 tarsalis (Fox). Que., Ont., Maine south to Ga., west to Tenn., Mo., Mich., Colo., Idaho. 



Crabro tarsalis Fox, 1895. Amer. Ent. Soc, Trans. 22: 193. d. 



Genus TRACHELIODES Morawitz 



Crabro subg. Brachynierus Dahlbom, 1845, Hym. Europaea, v. 1, p. 519. Preocc. 



Type-species: Crabro (Brachynierus) Megerlei Dahlbom. Monotypic. 

 Tracheliodes Morawitz, 1866. Acad. Imp. Sci. St. Petersburg, Bui. 9: 249. 



Type-species: Brachynierus megerlei Dahlbom. Desig. by Ashmead, 1899. 

 Fertonius Perez, 1892. hi Ferton, Soc. Linn. Bordeaux, Actes 44: 341. 



Type-species: Crossocerus luteicollis Lepeletier and Brulle. Desig. by Pate, 1937. 



Our species nest in plant stems or borings in wood, but one European species is known to nest 

 in soil, another in abandoned beetle borings. Our species prey upon worker ants of the genus 

 Liometopuni; European species use workers of both Liometopu^u and Tapinoma. 



Revision: Pate, 1942. Lloydia 5: 222-224, 7 figs. (N. Amer. spp.). 

 amu Pate. N. Mex., Ariz. Ecology: Nests in borings in wood, constructs a brood chamber in 

 which 1-3 wasps develop, stores as many as 42 prey per egg. Prey: Liometopuni 

 occidentale luctuosuni Whir, workers. 

 Tracheliodes amu Pate, 1942. Lloydia 5: 235. 6. 



Taxonomy: Evans, 1964. Amer. Ent. Soc, Trans. 90: 290-291, figs. 104-109 (larva). 



Biology: Krombein, 1967. Trap-nesting wasps and bees, pp. 257-259, figs. 68, 69 (nest, prey, 

 life cycle, cocoon). 

 foveolineatus (Viereck). Colo., Oreg., Calif. Ecology: Nests in Sambucus stems. Prey: 

 Liometopuni occidentale luctuosiim Whir, workers. 

 Crabro (Cuphopterus) foveolineatus Viereck, 1909. Ent. Soc. Wash., Proc. 11: 44. 9. 



Biology: Parker and Bohart, 1966. Pan-Pacific Ent. 42: 95 (nest, prey). 

 hicksi Sandhouse. Colo., Ariz. Prey: Liometopuni sp. workers. 

 Tracheliodes hicksi Sandhouse, 1936. Ent. News 47: 2. 9. 



Biology: Hicks, 1936. Ent. News 47: 4-7 (prey capture). 



