1736 Hymenoptera in America North of Mexico 



nigrescens Smitii. Que. to B. C. south to N. C, Tex. and Calif. Ecology: Nests in small 

 aggregations in hard-packed, stony or sandy loam, stores up to 25 prey per cell. 

 Parasite: Senotahiia triiineata (Wulp)? Prey: Calomycterus setarius Roelofs, Sit07ia 

 scissifrons (Say), S. hispidula (F.), Hyperodes delumhis Gyll., Gymnetron antiniiini 

 Payk., G. sp. 



Cerceris nigrescens Smith, 1856. Cat. Hym. Brit. Mus. 4: 466. 9. 



Cerceris arelate Banks, 1912. Ent. See. Amer., Ann. 5: 18. 5. 



Cerceris nigritulus Banks, 1915. Canad. Ent. 47: 402. i. 



Cerceris munda Mickel, 1918 (1917). Nebr. Univ. Studies 17: 337. 9, S. 



Cerceris abbreviata Banks, 1919. Canad. Ent. 51: 84. 6 . 



Cerceris crawfordi Brimley, 1928. Elisha Mitchell Sci. Soc, Jour. 43: 199. 6. 



Biology: Peckham and Peckham, 1898. Wis. Geol. Nat. Hist. Surv., Bui. 2: 116-117 (nest, 



prey). — Krombein, 1936. Ent. News 47: 94-95 (nest, prey, parasite ?). — Krombein, 1938. 



Ent. News 49: 1-3 (nest, prey). —Evans, 1971. Kans. Ent. Soc, Jour. 44: 512 (nest, prey). 

 occipitomaculata Packard. Minn, and S. Dak. to Tex., Colo., Ariz.; Mexico (Chihuahua). 



Cerceris occipitomaculata Packard, 1866. Ent. Soc. Phila., Proc. 6: 62. S. 



Cerceris fasciola Cresson, 1872. Amer. Ent. Soc, Trans. 4: 230. S. 



Cerceris novomexicana Viereck and Cockerell, 1904. N. Y. Ent. Soc, Jour. 12: 137. 9. 

 parkeri Scullen. South. Tex. and Ariz., south in Mexico to Chiapas. 



Cerceris parkeri Scullen, 1972. Smithsn. Contrib. Zool. 110: 35, figs. 22, 112. 9, S. 

 poculum Scullen. South. Ariz., west. Tex. 



Cerceris poculum Scullen, 1965. U. S. Natl. Mus., Proc 116: 391, figs. 25, 124a, b, c 9. 

 posticata Banks. N. Mex. (Jemez Mts.). 



Cerceris posticata Banks, 1916. Ent. News 27: 64. 3. 

 rhois Rohwer. N. Mex. (White Mts.). 



Cerceris rhois Rohwer, 1908. Canad. Ent. 40: 325. 6. 

 robertsonii bifida Scullen. Va., N. C, Ga., Ind. 



Cerceris robertsonii bifidus Scullen, 1965. U. S. Natl. Mus., Proc. 116: 428, figs. 45, 137a, b, 

 c 9. 

 robertsonii emmiltosa Scullen. Fla., Ga. Ecology: Nests in slightly sloping, sparsely vegetated 

 sand, makes more than 6 cells per nest, stores 6-14 prey per cell. Prey: Colaspis favosa 

 Say, Paria sp. 



Cerceris robertsonii emmiltosus Scullen, 1964. Ent. News 75: 144. 9. 



Taxonomy: Evans, 1964. Amer. Ent. Soc, Trans. 90: 277 (larva). 



Biology: Krombein, 1964. Amer. Mus. Novitates 2201: 22-23 (nest, prey). 

 robertsonii miltosa Scullen. Fla. 



Cerceris robertsonii miltosus Scullen, 1965. U. S. Natl. Mus., Proc. 116: 429, fig. 47. 9. 

 robertsonii robertsonii Fox. Que., Ont. to N. C. west to S. Dak. and Kans., Tex. Ecology: 



Nests in small aggregations in fine, firm sand to coarse sandy gravel, stores 8-12 prey 

 per cell. Parasite: Metopia argyrocephala (Meig.), Miltogrammini sp. Prey: 

 Cryptocephalus notatus F., Pachybrachis dilatatus Suffr., Rhabdopterus picipes (Oliv.), 

 Tymnes tricolor F. 

 Cerceris robertsonii Fox, 1893. N. Y. Ent. Soc, Jour. 1: 55. 9, cJ. 

 Cerceris austrina Fox, 1893. Psyche 6: 556. 9,6. 

 Cerceris pleuralis Smith, 1908. Nebr. Univ. Studies 8: 366. cJ, 9. 



Taxonomy: Evans, 1957. Amer. Ent. Soc, Trans. 83: 86, figs. 27-30 (larva; described both as 

 nigrescens Sm. and robertsonii). —Evans, 1959. Amer. Ent. Soc, Trans. 85: 156-157 

 (larva). 



Biology: Krombein, 1953 (1952). Wasmann Jour. Biol. 10: 288-294 (nest, prey, egg, life cycle, 

 parasite). —Krombein, 1953. Ent. Soc Wash., Proc. 55: 119-121 (nest, prey). —Evans, 1959. 

 Amer. Ent. Soc, Trans. 85: 157 (prey). —Evans, 1971. Kans. Ent. Soc, Jour. 44: 511, fig. 8 

 (nest, prey). 



rozeni Scullen. Fla. (Highlands Co.). 



Cerceris rozeni Scullen, 1971. N. Y. Ent. Soc, Jour. 79: 130, 4 figs. 9, d. 



