1650 Hymenoptera in America North of Mexico 



(Lep.), S. p. scaeva (Bl.), Dasy7ni(tilla v. vesta (Cr.); Melittobia clialybii Ashm.; 

 Trichrysis tride^is (Lep.). Prey: Neoscona viinima Keys., N. benjaviina Walcit., N. spp., 

 Eustala anastera (Walck.), Wixia ectypa (Walci<.), Aranea spp.; Theridiidae spp.; preys 

 upon adults and immatures. Because of its nest this wasp is popularly known as the 

 pipe-organ wasp. 



Try poxy Ion politus Say, 1837. Boston Jour. Nat. Hist. 1: 373. 



Trypoxylon neglect urn Kohl, 1884. Zool.-Bot. Gesell. Wien, Verh. 33: 340. 6. 



Trypoxylon basale Rohwer, 1912. U. S. Natl. Mus., Proc. 41: 475. 9,6. 



Trypoxylon politifonne Rohwer, 1912. U. S. Natl. Mus., Proc. 41: 476. 9,6. 



Taxonomy: Evans, 1957. Amer. Ent. Soc, Trans. 83: 95, fig. 62 (larva). —Evans, 1959. Amer. 

 Ent. Soc, Trans. 85: 161 (larva). 



Biology: Rau, 1913. Ent. News 24: 401 (larval feeding). — Rau and Rau, 1916. Jour. Anim. 

 Behavior 6: 31-35, fig. 5 (nest, prey, male behavior in nest). —Rau, 1928. Acad. Sci. St. 

 Louis, Trans. 25: 428-439, figs. 57-62 (nest, prey, life cycle, male behavior in nest, cocoon, 

 parasites). —Osborne, 1929. Conn. Agr. Expt. Sta., Bui. 305: 751-753, 1 pi, 1 fig. —Dow, 

 1930. Brooklyn Ent. Soc, Bui. 25: 98-101 (nest). — Fattig, 1936. Canad. Ent. 68: 44 (nest, 

 prey). — Hartman, 1944. Ent. News 55: 7 (prey). —Rau, 1944. Ent News 55: 9 (prey hunt). 

 — Muma and Jeffers, 1944. Ent. News 55: 50 (nest). — Muma and Jeffers, 1945. Ent. Soc. 

 Amer., Ann. 38: 246, 252, 254-255, figs. 3, 4 (nest, prey). —Lin, 1969. Wasmann Jour. Biol. 

 27: 129-130 (prey). —Johnson, 1974. Ent. Soc. Wash., Proc. 76: 448-449 (parasite). —Cross, 

 Stith and Bauman, 1975. Ent. Soc. Amer., Ann. 68: 901-916, 10 figs, (mating, nest 

 construction and provisioning, prey hunting, cocoon, life history, parasites). 



Morphology: Snodgrass, 1941. Smithsn. Inst., Misc. Collect. 99 (14): pi. 21, figs. L, Q, R (male 

 genitalia). 



Subfamily BOTHYNOSTETHINAE 



Genus BOTHYNOSTETHUS Kohl 



Bothynostetlius Kohl, 1884. Zool.-Bot. Gesell. Wien, Verhandl. 33: 344. 

 Type-species: Bothynostethus Saussurei Kohl. Monotypic 

 distinctus Fox. N. Y. to Fla. west to Idaho and Ariz. Ecology: Nests in sand, occasionally 



utilizing a rodent burrow, makes up to 8 cells per nest, stores 4-9 chrysomelid beetles 

 per cell. Parasite: Senotainia sp. ? Prey: Monoxia sp., Pyi-rhalta decora (Say), P. 

 perplexa Fall, P. spiraeae Fall, P. cavicollis (LeC), Ophraella notata (F.). 

 Bothynostetlius distinctus Fox, 1891. Ent News 2: 31. 9, 6. 



Taxonomy: Kurczewski and Evans, 1972. Psyche 79: 97-99, figs. 8-15 (larva). 



Biology: Cazier and Mortenson, 1965. Pan-Pacific Ent. 41: 31-32 (nest, prey). —Kurczewski 

 and Evans, 1972 Psyche 79: 88-97, figs. 1-7 (nest, prey transport, cocoon, parasites). 



Family CRABRONIDAE 



Taxonomy: Evans, 1957. Amer. Ent. Soc, Trans. 83: 99-113, figs 69-115 (larvae). —Evans, 

 1959. Amer. Ent. Soc, Trans. 85: 162-165, figs. 43-53, 61 (larvae). —Evans, 1964. Amer. 

 Ent. Soc, Trans. 90: 289-296, figs. 104-114 (larvae). 



Subfamily OXYBELINAE 



So far as known all species nest in the ground making uni- or multicellular nests and prefer- 

 •ing rather friable soil. 



Taxonomy: Pate, 1940. Amer. Ent. Soc, Trans. 66: 3-5 (group characters and key to world 

 genera). 



Genus BELOMICRUS Costa 



Belomicrus Costa, 1871 (1866). R. Univ. Napoli Mus. Zool., Ann. 6: 80. 

 Type-species: Belomicrus italicus Costa. Monotypic. 



