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Traité de Zoologie: anatomie systematique, biologie by Grassé, Pierre Paul

Species of Spalangia Latreille in the United States National Museum Collection, Hymenoptera Pteromalidae by Burks, B. D

Bredin-Archbold- Smithsonian biological survey of Dominica: Bethyloidea, Hymenoptera by Evans, Howard E

Life history notes on some egyptian solitary wasps and bees and their associates, Hymenoptera: Aculeata by Krombein, Karl V

A revision of the melanesian wasps of the genus Cerceris Latreille, Hymenoptera: Sphecidae by Krombein, Karl V

The nearctic species of Orgilus Haliday, Hymenoptera: Braconidae by Muesebeck, Carl F. W.

Behavioral and life- history notes on three floridian solitary wasps, Hymenoptera: Sphecidae by Krombein, Karl V

Review of the genus Cerceris Latreille in Mexico and Central America, Hymenoptera: Sphecidae by Scullen, Herman A

A monographic study of the subfamily Tiphiinae, Hymenoptera: Tiphiidae, of South America by Allen, Harry W

Parasitic bees of the genus Holcopasites Ashmead, Hymenoptera: Apoidea by Hurd, Paul D

Bredin-Archbold- Smithsonian biological survey of Dominica: Aculeate wasps, Hymenoptera: Scolioidea, Vespoidea, Pompiloidea, Sphecoidea by Evans, Howard E

Guía de abejas nativas de la región del Maule. by Monzón Godoy, Victor Hugo

Disponible Online - Biblioteca Digital CIREN