 | Catalogue of the described species of North American Hymenoptera. (Continued.)
E T Cresson (1863) Proceedings of the Entomological Society of Philadelphia 1: 316-344 |
 | Risultati di raccolte imenotterologiche nell'Africa Orientale
(1884) Annali Del Museo Civico Di Storia Naturale Di Genova 21: 523-636 |
 | Catalogue of the described Hymenoptera of Australia. Part II
W W Froggatt (1892) Proceedings of the Linnean Society of New South Wales 7: 205-248 |
 | A contribution to the knowledge of the Hymeno-pterous fauna of Ceylon
(1896) Proceedings of The Zoological Society of London 1896: 401-459 |
 | New species and subspecies of Rygchium from North America (Hymenoptera: Vespidae)
(1945) Proceedings of The Entomological Society of Washington 47: 45-49 |
 | Contributions toward a knowledge of the insect fauna of lower California. No. 9. Hymenoptera; Eumeninae
R M Bohart (1948) Proc. Calif. Acad. Sci., San Francisco 24: 313-336 |
 | Notes on the biologies of three species of Bomby-liidae, with a description of one new species
(1954) Entomological News Lancaster 65: 145-149 |
 | Three new wasps from Florida and taxonomic notes on allied forms (Hymenoptera, Aculeata)
(1959) Proceedings of The Entomological Society of Washington 61: 145-153 |
 | Natural history of Plummers Island, Maryland XVII. Annotated list of the wasps (Hymenoptera: Bethyloidea, Scolioidea, Vespoidea, Pompiloidea, Sphecoidea)
K V Krombein (1963) Proceedings of The Biological Society of Washington 76: 255-280 |
 | Opinion 747. Rygchium Spinola, 1806 (Insecta, Hymenoptera): validation of emendation to Rhynchium
Opinion (1965) Bull. Zool. Nom. 22: 186-187 |
 | Notes On The Yellowjacket Parasite Bareogonalis canadensis
D Carmean, R D Akre et al. (1981) Entomological News 92: 23-26 |
 | Reproductive behavior of male Ammophila harti (Fernald) (Hymenoptera: Sphecidae)
B J Hager and F E Kurczewski (1985) Proceedings of the Entomological Society of Washington 87: 597-605 |
 | Sexual behavior of eumenid wasps (Hymenoptera: Eumenidae)
D P Cowan (1986) Proceedings of the Entomological Society of Washington 88: 531-541 |
 | Ricerche sistematiche su alcuni generi di eumenidi della regione orientale e della Papuasia (Hymenoptera, Vespoidea)
(1995) Annali Del Museo Civico Di Storia Naturale "giacomo Doria" 90: 1-348 |
 | Trigonalyidae (Hymenoptera) in the eastern united states: Seasonal flight activity, distributions, hosts
D R Smith (1996) Proceedings of the Entomological Society of Washington 98: 109-118 |
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