Imai, H. T.; Yosida, T. H. 1965. Chromosome observation in Japanese ants. Annual Report. National Institute of Genetics, Japan 15:64-66. PDF

Imai, H. T.; Yosida, T. H. 1966a. Chromosomes of male ants Aphaenogaster osimensis produced by parthenogenesis of workers. Annual Report. National Institute of Genetics, Japan 16:53-54.

Imai, H. T.; Yosida, T. H. 1966b. Polyploid cells observed in male and queen ants of Aphaenogaster osimensis. Annual Report. National Institute of Genetics, Japan 16:54.

Imanishi, K. 1930. An example of vertical distribution, seen in ants. [In Japanese.]. Kontyû 4:185-187.

Imhoff, L. 1852. Ueber eine Art afrikanischer Ameisen. Bericht über die Verhandlungen der Naturforschenden Gesellschaft in Basel 10:175-177. PDF

Imhoff, L. 1854. On a species of African ant. Annals and Magazine of Natural History (2)13:75-76. PDF

Notes: Partial translation of Imhoff (1852).

Inoue, T.; Hamid, A. A. (eds.) 1994. Plant reproductive systems and animal seasonal dynamics. Long-term study of dipterocarp forests in Sarawak. Kyoto: Center for Ecological Research, Kyoto University, vii + 255 pp.

International Commission on Zoological Nomenclature 1939. Opinion 135. Suppression of the so-called "Erlangen List" of 1801. Opinions and Declarations rendered by the International Commission on Zoological Nomenclature 2:7-12. PDF

International Commission on Zoological Nomenclature 1956. Opinion 424. Validation under the plenary powers of the specific name rufa Linnaeus, 1761, as published in the combination Formica rufa and designation under the same powers of the species so named to be the type species of the genus Formica Linnaeus 1758 (class Insecta, order Hymenoptera). Opinions and Declarations rendered by the International Commission on Zoological Nomenclature 14:215-242.

International Commission on Zoological Nomenclature 1976. Opinion 1053. Formica maxima Moore, 1842 (Insecta: Hymenoptera): suppressed under the plenary powers. Bulletin of Zoological Nomenclature 32:244-245.

International Commission on Zoological Nomenclature 1999. Opinion 1919. Polyrhachis Smith, 1857 (Insecta, Hymenoptera): given precedence over Myrma Billberg, 1820. Bulletin of Zoological Nomenclature 56:92-93.

International Commission on Zoological Nomenclature 2001. Opinion 1976. Solenopsis invicta Buren, 1972 (Insecta, Hymenoptera): specific name conserved. Bulletin of Zoological Nomenclature 58:156-157.

International Congress of Entomology (1st : 1910 : Brussels) 1911. 1er Congrès International d'Entomologie, Bruxelles, août 1910. Vol. II, Mémoires. Bruxelles: Hayez, 520 pp.

International Union for the Study of Social Insects. Congress 1973. Proceedings IUSSI VIIth International Congress, London, 10-15 September, 1973. Southampton: University of Southampton, vi + 418 pp.

Ionescu-Hirsch, A. 2010 ("2009"). An annotated list of Camponotus of Israel (Hymenoptera: Formicidae), with a key and descriptions of new species. Israel Journal of Entomology 39:57-98. PDF

Ionescu-Hirsch, A.; Markó, B.; Csősz, S. 2009. Camponotus tergestinus Müller, 1921 (Hymenoptera: Formicidae): first records of a rare species for Romania and Hungary. Entomologica Romanica 14:19-22. PDF

Ionescu, A.; Eyer, P.-A. 2016. Notes on Cataglyphis Foerster, 1850 of the bicolor species-group in Israel, with description of a new species (Hymenoptera: Formicidae). Israel Journal of Entomology 46:109-131. PDF

Ionescu, M. (ed.) 1975. Fauna. Academia Republicii Socialiste România. Grupul de cercetari complexe "Portile de Fier". Seria monografica. Bucharest: Editura Academiei Republicii Socialiste România, 316 pp.

Ipinza-Regla, J. H.; Capurro, S. L. 1972. Heteroponera carinifrons en Antofagasta. MNHN (Museo Nacional de Historia Natural) Noticiario Mensual 16(192):7.

Ipinza-Regla, J. H.; Covarrubias Berríos, R. 1983 ("1982"). Distribución de especies de hormigas de la subfamilia Myrmicinae (Formicidae) en Chile. EOS. Revista Española de Entomología 58:135-141.

Ipinza-Regla, J. H.; Covarrubias Berríos, R.; Ladrón de Guevara, R. F. 1983. Distribución altitudinal de Formicidae en los Andes de Chile central. Folia Entomologica Mexicana 55:103-128.

Ipinza-Regla, J. H.; Covarrubias, R. 1989. Répartition des espèces de Dolichoderinae (Hymenoptera: Formicidae) au Chili. Annales de la Société Entomologique de France (n.s.)25:377-379.

Ipser, R. M.; Brinkman, M. A.; Gardner, W. A. 2005. First report of Brachymyrex [sic] obscurior Forel (Hymenoptera: Formicidae) from Georgia. Journal of Entomological Science 40:250-251. PDF

Ipser, R. M.; Brinkman, M. A.; Gardner, W. A.; Peeler, H. B. 2004. A survey of ground-dwelling ants (Hymenoptera: Formicidae) in Georgia. Florida Entomologist 87:253-260. PDF

Iredale, T. 1922. Book notes. Proceedings of the Malacological Society 15:78-92.

Itino, T.; Davies, S. J.; Tada, H.; Hieda, Y.; Inoguchi, M.; Itioka, T.; Yamane, S.; Inoue, T. 2001. Cospeciation of ants and plants. Ecological Research 16:787-793.

Itino, T.; Itioka, T.; Davies, S. J. 2002. Cospeciation and coadaptation between ants and Macaranga trees. [Abstract.]. P. 194 in: Billen, J. P. J. 2002. XIV International Congress of IUSSI. The Golden Jubilee Proceedings. 27 July - 3 August 2002, Hokkaido University, Sapporo, Japan. Sapporo: XIV International Congress of IUSSI, 233 pp.

Itino, T.; Yamane, S. 1994. Vertical distribution of ants in the canopy of a lowland mixed dipterocarp forest of Sarawak. Pp. 227-230 in: Inoue, T.; Hamid, A. A. (eds.) 1994. Plant reproductive systems and animal seasonal dynamics. Long-term study of dipterocarp forests in Sarawak. Kyoto: Center for Ecological Research, Kyoto University, vii + 255 pp.

Itino, T.; Yamane, S. 1995. The vertical distribution of ants on canopy trees in a Bornean lowland rain forest. Tropics 4:277-281.

Ito, F. 1992 ("1991"). Preliminary report on queenless reproduction in a primitive ponerine ant Amblyopone sp. (reclinata group) in West Java, Indonesia. Psyche (Cambridge) 98:319-322.