Superfamily POMPILOIDEA 1549 



Pompiliis guatenialensis Cameron, 1893. Biol. Cent.-Amer., Hym., v. 2, p. 206. 6. 



Psammochares posticatiis Banks, 1910. N. Y. Ent. Soc, Jour. 18: 119. 6. 



Psammochares fuscipennis var. georgiana Banks, 1911. Ent. Soc, Wash., Proc. 13: 238. 9. 



Genus EPISYRON Schiodte 



Episyron Schiodte, 1837. Kroyer's Naturhist. Tidsskr. 1: 341. 



Type-species: Sphex rufipes Linnaeus. Monotypic. 

 Spilopompilus Ashmead, 1902. Canad. Ent. 34: 81. 



Type-species: Pompilus biguttulatus (!) Fabricius. Orig. desig. 

 Epizuron (!) Ashmead, 1902. Canad. Ent. 34: 82. 



These are extremely active wasps, two of which have been dubbed the "Tornado Wasp" and 

 the "Hurricane Wasp" by the Peckhams. They nest in short burrows in sand, which they provi- 

 sion invariably with orb-weavers (Araneidae). They visit flowers of many kinds. 



biguttatus biguttatus (Fabricius). Temperate N. Amer. east of the Rockies, Tex. and Fla. to 

 Labr. and N. W. T. Ecology: Nests in sand. Parasite: Miltogrammini sp. Prey: Araneus 

 diade7natiis Clerck, A. spp., Eustala anastera (Walck.), Metepeira labyrintha (Hentz), 

 Neoscona benjam ina (Walck.), N. sp., near sacra (Walck.), N. sp. 



Po7npilus biguttatus Fabricius, 1798. Sup. Ent. System., p. 249. 9. 



Episyron atrytone Banks, 1912 (1911). N. Y. Ent. Soc, Jour. 19: 229. 9. 



Biology: Peckham and Peckham, 1898. Wis. Geol. Nat. Hist. Survey, Bui. 2: 138-140 (prey 

 transport). — Rau, 1922. Acad. Sci. St. Louis, Trans. 24: 9-10 (prey, nest, parasite). 

 — Krombein, 1953. Wasmann Jour. Biol. 264-266 (nest, prey, parasite). — Krombein, 1953. 

 Ent. Soc Wash., Proc. 55: 115-116 (nest, prey). —Evans and Yoshimoto, 1962. Ent. Soc 

 Amer., Misc. Pub. 3: 93 (prey). — Kurczewski, 1963 (1962). Brooklyn Ent. Soc, Bui. 57: 88 

 (prey, nest). —Kurczewski and Kurczewski, 1968. Kans. Ent. Soc, Jour. 41:9 (prey). 

 —Kurczewski and Kurczewski, 1968. Kans. Ent. Soc, Jour. 41: 369 (prey). —Kurczewski 

 and Kurczewski, 1973. Kans. Ent. Soc, Jour. 46: 66 (prey). 

 biguttatus californicus (Banks). U. Sonor. to Canad. Fauna, Calif, to B. C, Alta., and S. Dak. 

 Prey: Neoscona naiba Chamb. and Gertsch. 

 Psammochares califomica Banks, 1910. N. Y. Ent. Soc, Jour. 18: 117. cJ. 



Biology: Wasbauer and Powell, 1962. Kans. Ent. Soc, Jour. 35: 396 (prey). 

 biguttatus montezuma (Cameron). Ariz., N. Mex., west. Tex. south in Mexico to Morelos, 

 Guerrero and Veracruz. Prey: Neoscona naiba Chamb. and Gertsch. 

 Pompilus montezuma Cameron, 1893. Biol. Cent.-Amer., Hym., v. 2, p. 193, pi. 11, fig. 10. 



9. 

 Episyron arizonica Banks, 1933. Psyche 40: 5. 9. 



Biology: Wasbauer and Powell, 1962. Kans. Ent. Soc, Jour. 35: 396 (prey). 

 conterminus posterus (Fox). N. Y. to Fla., west to south. Calif., 111., south to Costa Rica. 



Ecology: Nests in sand. Parasite: Senotainia sp., Miltogrammini sp.; Evagetes sp. Prey: 

 Eustala anastera (Walck.), E. cepina (Walck.), E. sp., Araneiis ozarkensis (Arch.), .4. sp., 

 Larinia sp., Neoscona arabesca (Walck.), N. vertebrata McCook, A^. sp., Neosconella 

 pegnia (Walck.), Argiope aurantia Luc, Drexelia directa (Hentz), Gea heptagon (Hentz). 

 Typical conterminus (Sm.) occurs in South America. 



Pompilus posterus Fox, 1893 (May). Canad. Ent. 25: 115. 9, 6. 



Pompilus exactus Cameron, 1893 (Sept.). Biol. Cent.-Amer., Hym., v. 2, p. 202. 9, cJ. 



Pompilus porus Fox, 1894. Calif. Acad. Sci., Proc. (2) 4: 98. 9, 6. 



Taxonomy: Evans, 1959. Ent. Soc. Amer., Ann. 52: 439 (larva). 



Biology: Evans, 1950. Amer. Ent. Soc, Trans. 75: 225 (prey). —Krombein, 1953. Wasmann 

 Jour. Biol. 10: 266-268 (prey, nest, parasite). —Krombein, 1955. Ent. Soc. Wash., Proc. 57: 

 149-150 (prey, nest). —Krombein, 1958. Ent. Soc. Wash., Proc. 60: 102 (prey, nest, 

 parasite). —Krombein, 1959. Ent. Soc. Wash., Proc. 61: 194 (prey, nest). —Wasbauer and 

 Powell, 1962. Kans. Ent. Soc, Jour. 35: 396 (prey). -Kurczewski, 1963. Fla. Ent. 46: 

 210-212 (prey, nest). —Krombein, 1964. Amer. Mus. Novitates 2201: 10-11 (prey, nest). 



