A systematic review of the Ectemnius (Hymenoptera: Sphecidae) of Hawaii /

The systematics and taxonomy of final-instar larvae of the family Aphidiidae (Hymenoptera) /
by: Finlayson, Thelma
Published: (1990)

Review of North American Exomalopsis (Hymenoptera, Anthophoridae) /
by: Timberlake, P. H. (Philip Hunter), 1883-1981
Published: (1980)

Review of the Nearctic Alysiini (Hymenoptera, Braconidae) : with discussion of generic relationships within the tribe /
by: Wharton, Robert (Robert Alan)
Published: (1980)

Advances in ant systematics (Hymenoptera:Formicidae) : homage to E. O. Wilson - 50 years of contributions / edited by Roy R. Snelling, Brian L. Fisher, and Philip S. Ward.
Published: (2007)

Systematics and bionomics of Anthophora, the bomboides group and species groups of the New World (Hymenoptera, Apoidea, Anthophoridae) /
by: Brooks, Robert W.
Published: (1983)

A catalogue of world Ichneumonidae (Hymenoptera) /
by: Yu, Dicky S.
Published: (1997)

A review of the genera of New World Mymaridae (Hymenoptera; Chalcidoidea) /
by: Yoshimoto, Carl M.
Published: (1990)

On the New World Chalcididae (Hymenoptera) /
by: Delvare, G. (Gérard)
Published: (1992)

The ants (Hymenoptera, Formicidae) of western Texas /
by: Moody, J. V.
Published: (1982)

Wasps of the genus Trypoxylon subgenus Trypargilum in North America : Hymenoptera, Sphecidae /
by: Coville, Rollin E.
Published: (1981)

A handbook of the families of Nearctic Chalcidoidea (Hymenoptera) /
by: Grissell, Eric
Published: (1997)

Toryminae (Hymenoptera:Chalcidoidea:Torymidae) : a redefinition, generic classification, and annotated world catalog of species /
by: Grissell, Eric
Published: (1995)

Taxonomic revision of the ant genus Linepithema (Hymenoptera:Formicidae) /
by: Wild, Alexander L., 1973-
Published: (2007)

California cuckoo wasps in the family Chrysididae (Hymenoptera) /
by: Kimsey, Lynn Siri
Published: (2006)

A reclassification of the European Tetrastichinae (Hymenoptera: Eulophidae) : revision of the remaining genera /
by: Graham, M. W. R. de V. (Marcus William Robert de Vere)
Published: (1991)

Encyrtidae of Costa Rica (Hymenoptera:Chalcidoidea) /
by: Noyes, John S.
Published: (2000)

Aphelinidae of India (Hymenoptera:Chalcidoidea) : a taxonomic revision /
by: Hayat, M.
Published: (1998)

Revisionary notes and keys to world genera of Scelionidae (Hymenoptera: Proctotrupoidea) /
by: Masner, Lubomir
Published: (1976)

The Dryinidae and Embolemidae (Hymenoptera:Chrysidoidea) of Fennoscandia and Denmark /
by: Olmi, Massimo
Published: (1994)

A revision of the sawfly family Orussidae for North and Central America (Hymenoptera--Symphyta, Orussidae /
by: Middlekauff, Woodrow W., 1913-2013
Published: (1983)

Bees of the new genus Ctenoceratina in Africa, South of the Sahara (Hymenoptera: Apoidea) /
by: Daly, Howell V.
Published: (1988)

A revision of the genera of Eucharitidae (Hymenoptera: Chalcidoidea) of the world /
by: Heraty, John Michael
Published: (2002)

Taxonomic catalog of the ant subfamilies Aneuretinae and Dolichoderinae (Hymenoptera: Formicidae) /
by: Shattuck, Steven O.
Published: (1994)

Revision of the European species of Omphale Haliday (Hymenoptera, Chalcidoidea, Eulophidae) /
by: Hansson, Christer
Published: (2012)

A revision of the world genera of Tryphoninae (Hymenoptera : Ichneumonidae) /
by: Bennett, Andrew M. R.
Published: (2015)

Taxonomía morfológica del género Trichogramma (Hymenoptera:Trichogrammatidae) /
by: Velasquez de Ríos, Mercedes
Published: (1995)

Key to genera of Scelionidae of the Holarctic region, with descriptions of new genera and species (Hymenoptera: Proctotrupoidea) /
by: Masner, Lubomir
Published: (1980)

The taxonomy, distribution, and host preferences of Indo-Papuan parasitic wasps of the subfamily Ophioninae (Hymenoptera, Ichneumonidae) /
by: Gauld, Ian David
Published: (1981)

A review of the genera of Australian Encyrtidae (Hymenoptera: Chalcidoidea) described from Australia by A.A. Girault with a checklist of included species /
by: Dahms, Edward, 1938-
Published: (1997)

Eulophidae of Costa Rica (Hymenoptera: Chalcidoidea) /
by: Hansson, Christer
Published: (2002)

Aspilota-Wespen aus Niederösterreich, besonders solche der signifrons-Gruppe (Hymenoptera, Braconidae, Alysiinae) /
by: Fischer, Max, 1929-
Published: (1974)

A review and an illustrated key to Genera of Encyrtidae (Hymenoptera : Chalcidoidea) from China = Zhongguo tiao xiao feng ke (mo chi mu : xiao feng zong ke) shu de li ding ji feng shu jian suo biao /
by: Zhang, Yanzhou
Published: (2004)

World review and keys to genera of the subfamily Inostemmatinae : with reassignment of the taxa to the Platygastrinae and Sceliotrachelinae (Hymenoptera, Platygastridae) /
by: Masner, Lubomir
Published: (1989)

The North American species of Heterosarus Robertson (Hymenoptera, Apoidea) /
by: Timberlake, P. H. (Philip Hunter), 1883-1981
Published: (1975)

A taxonomic revision and phylogenetic analysis of the ant genus Gnamptogenys Roger in Southeast Asia and Australasia (Hymenoptera: Formicidae: Ponerinae) /
by: Lattke, John E., 1959-
Published: (2004)

A revision of North American bees of the subgenus Cnemidandrena (Hymenoptera, Andrenidae) /
by: Donovan, B. J. (Barry James), 1941-
Published: (1977)