Clay T., 1974: The macrogenitalis group of Strigiphilus (Philopteridae: Phthiraptera). 9 pp. 

 Clay T., 1974: The Phthiraptera (Insecta) parasitic on flamingoes (Phoenicopteridae: Aves). 8 pp. 

 Clay T., 1976: The species of Ibidoecus (Phthiraptera) on Threskiornis (Aves). 7 pp. [MAL 147] Systematic Entomology 1(1): 1-7.

 Clay T., 1976: The spinosa species-group, genus Boopia Piaget (Phthiraptera: Boopiidae). 6 pp. 

 Clay T., 1977: The genus Phthirpediculus Ewing (Anoplura, Phthiraptera, Insecta). 4 pp. 

 Clay T., 1977: The Strigiphilus cursitans group (Phthiraptera: Insecta). 4 pp. 

 Clay T., 1981: A report on a collection of lice (Boopidae: Phthiraptera) on Petrogale (rock wallabies). 14 pp. [M28] 

 Clay T., 1981: Lice (Phthiraptera: Boopiidae) parasitic on marsupials. 9 pp. 

 Clay T., 1981: The ischnoceran lice (Phthiraptera) of the oystercatchers (Aves: Haematopodidae). 6 pp. 

 Clay T., Hopkins G. H. E., 1955: Notes on the Rudow collection of Mallophaga at Hamburg. 25 pp. 

 Clay T., Hopkins G. H. E., 1958: Pediculus dentatus Scopoli, 1763. 2 pp. 

 Clay T., Meinertzhagen C. R., 1937: Two remarkable new mallophagan genera from the Columbidae. 3 pp. 

 Clay T., Meinertzhagen C. R., 1938: Two new genera of Mallophaga. 4 pp. 

 Clay T., Meinertzhagen C. R., 1939: New genera and species of Mallophaga. 8 pp. 

 Clay T., Meinertzhagen C. R., 1939: Three new genera of Mallophaga from Charadriiformes. 6 pp. 

 Clay T., Meinzertzhagen C. R., 1938: New genera and species of Mallophaga. 5 pp. 

 Clay T., Meinzertzhagen C. R., 1941: Mallophaga Miscellany. – No. 2. 18 pp. 

 Clay T., Moreby C., 1967: Mallophaga (biting lice) and Anoplura (sucking lice). Part II: keys and locality lists of Mallophaga and Anoplura. 40 pp. 

 Clay T., Price R. D., 1970: A new genus and species of Menoponidae (Mallophaga) from the African swallow-tailed kite. 3 pp. 

 Clay T., Price R. D., 1970: A new genus and two new species of Menoponidae (Insecta: Mallophaga) from New Guinea. 9 pp. 

 Clay T., Tandan B. K., 1967: A new genus and species of Philopteridae (Mallophaga). 8 pp. 

 Clay T., Tandan B. K., 1967: A new genus and species of Philopteridae (Mallophaga). 9 pp. 

 Claypole A. M., 1898: The embryology of the Apterygota. 8 pp. (in English). Zoological Bulletin 2(2): 69-76.

 Cleare L. D., 1929: Butterfly migrations in British Guiana. II. 14 pp. 

 Cleave H. J. van, 1931: Statistical analysis of quantitative collections as a means of interpreting life histories. 7 pp. (in English). Transactions of the Illinois State Academy of Science 24(2): 228-234.

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

 Clement S. L., Mimmocchi T., 1988: Occurence of selected flower head insects of Centaurea solstitialis in Italy and Greece. 5 pp. Proc. Entomol. Soc. Wash. 90(1): 47-51.

 Clements A. N., 1951: On the urticating properties of adult Lymantriidae. 5 pp. 

 Clements A. N., 1955: Hormonal control of ovary development in mosquitoes. 11 pp. 

 Clements A. N., 1955: The sources of energy for flight in mosquitoes. 8 pp. 

 Clench H. K., 1957: Cossidae from Chile (Lepidoptera). Plates IV-VI. 21 pp. 

 Clench H. K., 1958: A new cossid moth from western China. (Lep. Cossidae). 5 pp. Mitteilungen der münchner entomologischen Gesellschaft 48: 82-85.

 Cleve K. H., 1967: Eine melanistische Form von Parasemia plataginis L. 5 pp. 

 Cleve K., 1960: Beobachtungen an Berliner Grossschmetterlingen im Jahre 1959. 2 pp. 

 Cleve K., 1963: Arten unter dem Namen Orbona in der Sammlung Hufnagel vor sich gehabt. Es dürfte bei den von Werneburg im Jahre 1864 - also 90 Jahre später - vermuteten Änderungen die Möglichkeit nicht ausgeschlossen werden, dass bis v. Rottemburgs Einsichtnahme auch Falter der kleineren Art mit Costalfleck dazwischen gestreckt worden seien. 4 pp. 

 Cleve K., 1968: 10 Jahre Beobachtungen von Nachtschmetterlingen an Berliner Schaufenstern. 16 pp. 

 Cleve K., 1971: Das Vorkommen von Erebia cloudina Borkhausen 1789. 4 pp. 

 Cleve K., 1972: Ergänzungen zur Macrolepidopterenfauna der Ostfriesischen insel Norderney. 16 pp. 

 Cleve K., 1979: Ergänzungen zur Schmetterlingsfauna des östlichen Neusiedlersee-Gebietes. 8 pp. 

 Cleveland L. R., 1925: The effects of oxygenation and starvation on the symbiosis between the termite, Termopsis, and its intestinal flagellates. 19 pp. 

 Clifford H. F., 1969: Analysis of a northern mayfly (Ephemeroptera) population, with special reference to allometry of size. 12 pp. 

 Clifford H. F., 1982: Life cycles of mayflies (Ephemeroptera), with special reference to voltinism. 76 pp. Quaestiones Entomologicae 18(1-4): 15-90.

 Clifford H. F., Hamilton H., Killins B. A., 1978: Biology of the mayfly Leptophlebia cupida (Say) (Ephemeroptera: Leptophlebiidae). 21 pp. 

 Cline A. R., 2006: Scientific note. Commentary on priority of the family-group name Kateretidae Erichson (Cucujoidea). 2 pp. The Coleopterists Bulletin 60(3): 271-272.

 Cline A. R., Audisio P., 2011: Epuraea (Haptoncus) ocularis Fairmaire (Coleoptera: Nitidulidae) recently found in the U.S.A., with comments on Nearctic members of Epuraea Erichson. 3 pp. The Coleopterists Bulletin 65(1): 24-26.

 Cline A. R., Carlton C. E., 2004: Review of Lasiodactylus Perty, with descriptions of three new species (Coleoptera: Nitidulidae: Nitidulinae). 14 pp. The Coleopterists Bulletin 58(3): 355-368.

 Cline A. R., Carlton C. E., 2004: Two new species of Epuraea (Orthopeplus) (Coleoptera: Nitidulidae) from Mexico. 10 pp. The Coleopterists Bulletin 58(2): 261-270.

 Cloarec A., 1980: Ontogeny of hit distance estimation in Ranatra. 22 pp. 

 Cloarec A., 1980: Post-moult bahaviour in the water-stick insect Ranatra linearis. 21 pp. 

 Cloarec A., 1981: Effect on predatory performance of the presence of prey after moulting in the water stink insect, Ranatra linearis. 9 pp.