316 [January Catalogue of the described species of North American HYMENOPTERA. BY E. T. CRESSON. (Continued from page 238.) Fani. BEMBECID.^. BEMBEX Latr. americana Fahr. Ent. Syst. 2, p. 250. Dahlb. Hymen. Enrop. 1, p. 18.".. X. Auipr. Carolina Fabr. Entomologia Systematica, 2, p. 249. Carolina. fasciata Fabr. Sj^stema Piezatorum, p. 224. Carolina. longirostra Say, Boston Journal of Natural Ilistorj', vol. 1, p. ?>fir>. Mtxico. monodonta Say, Long's Second Expedition, vol. 2, p. 335. Pennsylvania. Spinolae St. Far//. Hymenopteres, 3, p. 277. North America. spinosa Fabr. Entomologia Systematica. Suppl. p. 260. Amer. Insiilis (W. Ind!'). MONEDULA Latr. insularis Dahlb. Hymenoptera Europsea, 1, p. 186. St. Thomas. Montezuma Smit/i, British Museum Catalogue, Hym. 4, p. 334. Mexico. pictifrons Smifh. British Museum Catalogue, Hym. 4. p. 335. North Carolina. 4-fasciata Say, Long's Second Expedition, vol. 2, p. 336. Pennsylvania. Sallei Gucr. Iconographie due Regne Animal, 3, p. 437. New Orleans. ventralis Say, Long's Second Expedition, vol. 2, p. 337. Pennsylvania. vigilans Harris, Catalogue of the Insects of Massachusetts, 2nd edition. Mass. STIZUS Latr. grandis Say, West. Quar. Hep, 2, p. 77. American Entomology, pi. 2. Arkansa. Hogardii Latr. Gen. Crust, et Ins. 4, 100: t. 13, f. 12. Sm. B. M. C. 4, 336. W. Indies. unicinctus Say, West. Quar. Rep. 2, 77. American Entomology, pi. 2. Arkansa. Fain. SPHEGID.E. POMPILUS Latr. algidus Smith, Britisli Museum Catalogue, Hym. 3. p. 158. North America? americanus Bcauv. Ins. Afr. et Amer. p. 117: Hym. i)l. 3, fig. 6. United States. anceps Smith. Trans. Entom. Soc. London, 3rd series, vol. 1. p. 36. Panama. apiculatus Smith, British Museum Catalogue, Hym. 3, ]>, 157. Mexico. architectus Say, Boston Journal of Natural History, vol. 1, p. 303. Ohio. atramentarius Dahlb. Hymenoptera Europpea. 1, j). 48. North America. atroviolaceus Harris, Catalogue of the Insects of Massachusetts, 2nd edition. atrox Dahlb. Hymenojitera Eurojjaea, 1, p. 63. South Carolina, biguttatus Fabr. Entomologia Systematica, Suppl. p. 249. North America. bipartitus -S'^. Farg. Hymenopteres, 3, p. 439. Philadelphia. calipterus Say. Boston Journal of Natural History, vol. 1. ]">• 302. Iinliana.