Cameron P., 1889: On the British Species of Allotrinae, with descriptions of other new species of Parasitic Cynipidae. 17 pp. [M27] 

 Cameron P., 1898: Description of two new species of Mutilla from South Africa. 3 pp. [M45] 

 Cameron P., 1903: Descriptions of new genera and species of Hymenoptera from India. (Continued.). 8 pp. 

 Cameron P., 1904: Description of a new specie of Athalia (Tentherdinidae) from India. 1 pp. 

 Cameron P., 1904: Description of a New species of Juartinia from Deesa, India, etc. (Hym.). 2 pp. [M45] 

 Cameron P., 1905: Descriptions of some new species of Parasitic Hymenoptera, chiefly from the Sikkem Himalaya. (Hym.). 4 pp. [M45] 

 Cameron P., 1908: Descriptions of two New Genera and Species of reared Chalcididae from Borneo. (Hym.). 8 pp. 

 Cameron P., 1909: Descriptions of four species of Hymenoptera from Auckland Island. 3 pp. [M45] 

 Cameron P., 1909: On some Asiatic Species of the Subfamilies Exothecinae, Spathiinae, Hormioinae, Cheloniae and Macrocentrinae in the Royal Beril Zoological Museum. 15 pp. 

 Cameron P., 1910: On the Scottish species of Oxyura (Proctotrypidae).- part V. 3 pp. [M45] 

 Cameron P., 1911: On a collection of parasitic Hymenoptera (Chiefly Bred), made by Mr. W. W. Froggatt, F. L. S., in new South Wales, with descriptions of new genera and species. Part i. 14 pp. 

 Cameron P., 1912: On a collection of parasitic Hymenoptera (Chiefly Bred), made by Mr. Walter W. Froggatt, F. L. S., in new South Wales, with descriptions of new genera and species. Part iii. 45 pp. 

 Cameron P., 1912: On somme Scottish species of Mymaridae. 2 pp. [M45] 

 Cameron P., 1912: On the Hymenoptera from Belgian Congo in the Congo Museum, Tervueren. 45 pp. 

 Capecki Z., 1972: Wystepowanie Ibalia leucospoides (Hoch.) i I. drewseni Borries (Hymenoptera, Cynipidae) w Polsce. 5 pp. [M45] 

 Carpentier L., 1904: Sur quelques Larves de Chalastogastra. 2 pp. [M45] 

 Cazier M. A., Mortenson M. A., 1964: Bionomical observations on tarantula-hawks and their prey (Hymenoptera: Pompilidae: Pepsis). 10 pp. 

 Celary W., 1995: Megachile nigriventris Schenck, 1868 and its nest parasite Coelioxys lanceolata Nylander, 1852 (Hymenoptera, Apoidea, Megachilidae) in Poland. 5 pp. [HYM 731] [M45] Acta zoologica cracoviensia 38(2): 195-199.

 Celary W., 1995: Redescription of male of Stelis odontopyga Noskiewicz, 1925 (Hymenoptera, Apoidea, Megachilidae). 3 pp. [HYM 732] [M45] Acta zoologica cracoviensia 38(2): 201-203.

 Celary W., 1997: Additions to the Polish Nomadini (Hymenoptera, Apoidea, Anthophoridae). I. Nomada tridentirostris Dours, 1873. 5 pp. [HYM 733] Acta zoologica cracoviensia 40(1): 41-45.

 Celary W., 1999: New and rare species of the genus Hylaeus Fabricius, 1793 for the fauna of Poland (Hymenoptera: Apoidea: Colletidae). 6 pp. [HYM 734] Acta zoologica cracoviensia 42(2): 259-264.

 Celary W., Fijal J., Kosior A., 2003: Psithyrus flavidus (Eversmann) (Hymenoptera, Apoidea, Apidae) in Poland. 5 pp. [HYM 5204] Acta zoologica cracoviensia 46(3): 251-255.

 Chacko M. J., Katiyar R. N., 1961: Hadrophanurus karnalensis sp. n. (Hymenoptera: Scelionidae), a parasite of Bagrada cruciferarum Kirkaldy (Hemiptera: Pentatomidae). 3 pp. 

 Cheesman L. E., 1952: Ropalidia of Papuasia. 26 pp. [61619] [B20] [M71] 

 Cheesman L. E., 1953: Bees of New Caledonia. 4 pp. [M43] 

 Cheesman L. E., 1954: A new species of Odynerus, subgen. Rhygchium (Eumeniae), from the Loyalty Islands. 6 pp. [M43] 

 Cheesman L. E., 1955: Two new species of Sphecoidea (Hymenoptera) of New Caledonia and Lifu Island, Loyalty Islands. 4 pp. 

 Chevin H., Cocquempot C., Pelletier J., 1986: Inventaire des Hyménopteres Symphytes du département d’Indre-et-Loire. 16 pp. 

 Chung-Lo L., 1959: Contribution to generic definition of Telenomus by two new Chinese species (Hymenoptera, Scelionidae). 6 pp. [HYM 1784] Acta Societatis entomologicae Cechosloveniae 56: 155-160.

 Clément E., 1938: Opuscula Hymenopterologica I. Die Ophioninen-Gattungen Pyracmon Hlgr. und Rhimphoctona Foerst. (Ichneumonidae, Ophioninae.). 29 pp. 

 Cobelli R., 1890: Gli Apidi pronubi della Brassica oleracea L. 4 pp. [M45] 

 Cobelli R., 1890: Una nuova specie di Tentredinidi. 4 pp. [M45] 

 Cockerell T. D. A., 1907: New Anthidiine bees from Colorado. 2 pp. 

 Cockerell T. D. A., 1929: A new Thynnid wasp from New Caledonia. 4 pp. 

 Cockerell T. D. A., 1929: Bees in the Australian museum collection. 45 pp. 

 Cockerell T. D. A., 1937: Bees taken by the rev. Bernard Rotger in Southwest Colorado (Hymen.: Apoidea). 4 pp. [M43] 

 Cocucci A. A., Sérsic A., Roig-Alsina A., 2000: Oil-collecting structures in Tapinotaspidini: their diversity, function and probable origin (Hymenoptera: Apidae). 24 pp. Mitteilungen der münchner entomologischen Gesellschaft 90: 51-74.

 Comba L., Comba M., 1991: Catalogo degli Apoidei Laziali (Hymenoptera: Aculeata). 169 pp. [50457] Fragmenta Entomologica 22(suppl.): 1-169.

 Crawford J. C., 1913: Descriptions of new Hymenoptera, No. 7. 9 pp. 

 Crosskey R. W., 1953: A revision of the genus Hyptiogaster Kieffer (Hymenoptera: Gasteruptionidae), with descriptions of two new genera and three new species. 38 pp. The Transactions of the Royal Entomological Society of London 104(9)

 Crosskey R. W., 1956: Three new species of Hyptiogaster Kieffer (Hymenoptera: Gasteruptiidae) from Eastern Australia. 6 pp. [M45] 

 Cumber R. A., 1959: Distributional and Biological Notes on Sixteen North Island Species of Formicidae (Hymenoptera). 5 pp. 

 Currado I., Olmi M., 1974: Le specie italiane dei generi Donisthorpina Richards, 1939 e Haplogonatopus Perkins, 1905 (Dryinidae). 6 pp. 

 Cushman R. A., 1927: Miscellaneous notes and descriptions of Ichneumon-Flies. 22 pp. 

 Cushman R. A., 1934: Two New Species of the Genus Labium Brullé. (Hym.: Inchneumonidae). 4 pp. 

 Cushman R. A., 1976: Biological investigations of Goniozus columbianus Ashmead, a parasite of the grape berry moth, Paralobesia viteana (Clemens) (Hymenoptera: Bethylidae). 7 pp. 

 Czechowski W., 1996: Mechanisms of emancipation of atypical slaves in nests of Formica sanguinea Latr. (Hymenoptera: Formicidae). II. Queen replacement. 22 pp. Annals of the Upper Silesian Museum in Bytom 6-7: 59-80.

 Czechowski W., 1996: Morphometric characteristics of Formica polyctena Foerst. and Formica rufa L. (Hymenoptera, Formicidae from the Gorce Mts; interspecific and intraspecific variations. 17 pp. [AZO 46125] [M45] 

 Czechowski W., 1999: Lasius fuliginosus (Latr.) on a sandy dune – its living conditions and interference during raids of Formica sanguinea Latr. (Hymenoptera, Formicidae). 7 pp. [HYM 865] Annales Zoologici 49/1-2: 117-123

 Czechowski W., Rotkiewicz W., 1997: Common activities of female sexuals of Lasius umbratus (Nyl.) and Formica sanguinea Latr. or Polyergus rufescens (Latr.) on nests of the dulotic species (Hymenoptera, Formicidae). 3 pp. [HYM 877] Annales Zoologici 47/3-4: 465-467