Court H. K., Bohart R. M., 1958: New species of Lindenius from western North America (Hymenoptera: Sphecidae). 8 pp. 

 Cousin G., 1933: Etude biologique d’un Chalcidien: Mormoniella vitripennis Walk. 30 pp. 

 Cowan D. P., Waldbauer G. P., 1984: Seasonal occurrence and mating at flowers by Ancistrocerus antilope (Hymenoptera: Eumenidae). 5 pp. Proc. Entomol. Soc. Wash. 86(4): 930-934.

 Cowley D. R., 1962: Aspects of the biology of the immature stages of Pison spinolae Shuckard (Hymenoptera: Sphecidae). 10 pp. 

 Crawford J. C., 1910: New South American parasitic Hymenoptera. 5 pp. 

 Crawford J. C., 1910: Three new genera and species of parasitic Hymenoptera. 4 pp. 

 Crawford J. C., 1911: Descriptions of new Hymenoptera. 1. 7 pp. 

 Crawford J. C., 1911: Descriptions of new Hymenoptera. 2. 11 pp. 

 Crawford J. C., 1911: New Hymenoptera from the Philippine islands. 15 pp. 

 Crawford J. C., 1911: Two new Hymenoptera. 2 pp. 

 Crawford J. C., 1913: Descriptions of new Hymenoptera, No. 5. 26 pp. 

 Crawford J. C., 1913: Descriptions of new Hymenoptera, No. 6. 20 pp. 

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

 Crawford J. C., 1914: Descriptions of new Hymenoptera, No. 8. 10 pp. 

 Crawford J. C., 1914: Hymenoptera, superfamilies Apoidea and Chalcidoidea, of the Yale-Dominican Expedition of 1913. 4 pp. 

 Crawford J. C., 1915: Description of new Hymenoptera, No. 9. 10 pp. 

 Crawley W. C., 1914: A revision of the genus Leptothorax, Mayr, in the British Isles. 21 pp. 

 Crawley W. C., 1925: A revision of some old types of Formicidae. 19 pp. 

 Crawley W. C., : Myrmecological Notes. 4 pp. 

 Creighton W. S., 1953: A new subspecies of Xenomyrmex stolli from Northeastern Mexico (Hymenoptera, Formicidae). 5 pp. 

 Creighton W. S., 1953: New data on the habits of the Ants of the genus Veromessoor 18 pp. 

 Creighton W. S., 1957: A Study ot the Genus Xenomyrmex (Hymenoptera, Formicidae). 14 pp. 

 Creighton W. S., 1963: Further Observations on Pseudomyrmex apache (Hymenoptera, Formicidae). 4 pp. 

 Creighton W. S., 1965: Studies od southwestern ants belonging to Camponotus, subgenus Myrmobrachys (Hymenoptera, Formicidae). 8 pp. 

 Creighton W. S., 1969: Studies on Camponotus (Myrmaphaenus) andrei Forel (Hymenoptera, Formicidae). 6 pp. 

 Creutzburg F., 1996: Checklist der Faltenwespen (Vespidae) Thüringens (Insecta: Hymenoptera). 4 pp. Check-Listen Thüringer Insekten 4: 57-60.

 Crevecceur A., Maréchal P., 1937: Catalogue des Hyménopteres de Belgique VII. 12 pp. 

 Crevecceur A., Maréchal P., 1938: Catalogue des Hyménopteres de Belgique VIII. 34 pp. 

 Criddle N., 1917: Further observations upon the habits of the western Wheat Stem Sawfly in Manitoba and Saskatchewan. 2 pp. 

 Criddle N., 1924: The western Wheat-Stem Sawfly and its control. 6 pp. 

 Crome W., 1959: Beobachtungen an dem Kreuzspinnen-Kokon-Parasiten Tromatobia ovivora (Boheman) (Hymenoptera, Pimplinae). 31 pp. 

 Crooke M., 1953: Some notes on Anoplonyx destructor Benson. 6 pp. 

 Cros A., 1922: Bembex handlirschella Ferton. 8 pp. 

 Cros A., 1927: Osmia Saundersi Vachal. 7 pp. 

 Crosby C. R., 1909: On certain seed-infesting chalcis-flies. Order Hymenoptera. Supefamily Chalcidoidea. 22 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., 1953: Two new species of Aulacostethus Philippi, and a new species of Aulacus Jurine, from Australia, together with a key to the Australian species of Aulacostethus (Hymenoptera: Aulacidae). 9 pp. 

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

 Crossman S. S., 1925: Two imported Egg parasites of the Gipsy moth Anastatus Bifasciatus Fonsc. And Schedius Kuvanae Howard. 33 pp. 

 Cruz-Landim C., Moraes R. L. M. S., Salles H. C., Reginato R. D., 1998: Note on glands present in Meliponinae (Hymenoptera, Apidae) bees legs. 7 pp. Revta bras. Zool. 15(1): 159-165.

 Cruz-Landim C., Rodrigues L., 1967: Comparative anatomy and histology of the alimentary canal of adult Apinae. 12 pp. 

 Csösz S., Narkó B., Gallé L., 2001: Ants (Hymenoptera: Formicidae) of Stana Valley (Romania): evaluation of the efectiveness of a myrmecological survey. 6 pp. 

 Cubuk F. T., Gülmez Y., 2013: New records of Crabronidae (Insecta: Hymenoptera) from Turkey. 4 pp. (in English). Journal of the Entomological Research Society 15(1): 33-36.

 Cubuk F. T., Gülmez Y., 2013: New records of Crabronidae (Insecta: Hymenoptera) from Turkey. 4 pp. (in English). Journal of the Entomological Research Society 15(1): 33-36.

 Cumber R. A., 1951: Some observations on the biology of the Australian wasp Polistes humilis Fabr. (Hymenoptera: Vespidae) in North Auckland (New Zealand), with special reference to the nature of the Worker caste. 6 pp. 

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

 Cumber R. A., 1959: The insect complex of sown pastures in the North Island. V. The Hymenoptera as revealed by summer sweepsampling. 24 pp. 

 Cumber R. A., 1964: The egg-parasite complex (Scelionidae: Hymenoptera) of shield bugs (Pentatomidae, Acanthosomidae: Heteroptera) in New Zealand. 19 pp. 

 Cumber R. A., Eyles A. C., 1961: Insects associated with the major Fodder Crops in the North Island. IV. Hymenoptera. 19 pp. 

 Cumming J. M., Vecht J., 1986: New oriental species of Symmorphus Wesmael, with descripiton of a new subgenus (Hymenoptera: Vespidae, Eumeninae). 8 pp.