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).

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.

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.

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.; Taylor, R. W.; Kubota, M.; Ogata, K.; Wada, M. Y. 1991 ("1990"). Notes on the remarkable karyology of the primitive ant Nothomyrmecia macrops, and of the related genus Myrmecia (Hymenoptera: Formicidae). Psyche (Cambridge) 97:133-140. PDF

Imai, H. T.; Taylor, R. W.; Crozier, R. H.; Crosland, M. W. L.; Browning, G. P. 1988. Chromosomal polymorphism in the ant Myrmecia (pilosula) n=1. Annual Report. National Institute of Genetics, Japan 38:82-84.

Imai, H. T.; Taylor, R. W.; Crozier, R. H. 1994. Experimental bases for the minimum interaction theory. I. Chromosome evolution in ants of the Myrmecia pilosula species complex (Hymenoptera: Formicidae: Myrmeciinae). Japanese Journal of Genetics 69:137-182. PDF

Imai, H. T.; Taylor, R. W. 1989. Chromosomal polymorphisms involving telomere fusion, centromeric inactivation and centromere shift in the ant Myrmecia (pilosula) n=1. Chromosoma (Berlin) 98:456-460. PDF

Imai, H. T.; Taylor, R. W.; Crosland, M. W. J.; Crozier, R. H. 1988. Modes of spontaneous chromosomal mutation and karyotype evolution in ants with reference to the minimum interaction hypothesis. Japanese Journal of Genetics 63:159-185. PDF

Imai, H. T.; Taylor, R. W. 1986. The exceptionally low chromosome number n=2 in an Australian bulldog ant Myrmecia piliventris Smith. Annual Report. National Institute of Genetics, Japan 36:59-61. PDF

Imai, H. T.; Kubota, M.; Brown, W. L., Jr.; Ihara, M.; Tohari, M.; Pranata, R. I. 1985. Chromosome observations on tropical ants from Indonesia. Annual Report. National Institute of Genetics, Japan 35:46-48. PDF

Imai, H. T.; Kubota, M. 1975. Chromosome polymorphism in the ant Pheidole nodus. Chromosoma (Berlin) 51:391-399. PDF

Imai, H. T.; Kubota, M. 1981. Karyological survey of Indian ants - some preliminary reports. Nucleus (Calcutta) 24:93-96.

Imai, H. T.; Kubota, M. 1989 ("1988"). Collection of ants from Lesser Sunda Islands. [Abstract.] [In Japanese.]. Ari 16:4.

Imai, H. T.; Kubota, M. 1972. Karyological studies of Japanese ants (Hymenoptera, Formicidae) III. Karyotypes of nine species in Ponerinae, Formicinae and Myrmicinae. Chromosoma (Berlin) 37:193-200. PDF

Imai, H. T.; Crozier, R. H.; Taylor, R. W. 1977. Karyotype evolution in Australian ants. Chromosoma (Berlin) 59:341-393. PDF

Imai, H. T.; Hirai, H.; Satta, Y.; Shiroishi, T.; Yamada, M.; Taylor, R. W. 1992. Phase specific Ag-staining of nucleolar organizer regions (NORs) and kinetochores in the Australian ant Myrmecia croslandi. Japanese Journal of Genetics 67:437-447.

Imai, H. T.; Brown, W. L., Jr.; Kubota, M.; Yong, H.-S.; Tho, Y. P. 1984. Chromosome observations on tropical ants from western Malaysia. II. Annual Report. National Institute of Genetics, Japan 34:66-69. PDF

Imai, H. T.; Baroni Urbani, C.; Kubota, M.; Sharma, G. P.; Narasimhanna, M. H.; Das, B. C.; Sharma, A. K.; Sharma, A.; Deodikar, G. B.; Vaidya, V. G.; Rajasekarasetty, M. R. 1984. Karyological survey of Indian ants. Japanese Journal of Genetics 59:1-32. PDF

Imai, H. T.; Baroni Urbani, C.; Kubota, M. 1984. Karyological and cytotaxonomic studies on the 94 species of Indian ants. [In Japanese.]. Ari 12:2.

Imai, H. T. 1966c. Chromosome observation method of ants by using a squash method. (Part 2.). [In Japanese.]. Ari 4:1-2.

Imai, H. T. 1986a. Modes of species differentiation and karyotype alteration in ants and mammals. Annual Report. National Institute of Genetics, Japan 36:58-59.

Imai, H. T. 1969. Karyological studies of Japanese ants. I. Chromosome evolution and species differentiation in ants. Science Reports of the Tokyo Kyoiku Daigaku. Section B 14:27-46.

Imai, H. T. 1971. Karyological studies of Japanese ants, 2. Species differentiation in Aphaenogaster; with special regard to their morphology, distribution and chromosomes. Mushi 44:137-151. PDF

Imai, H. T. 1974. B-Chromosomes in the myrmicine ant, Leptothorax spinosior. Chromosoma (Berlin) 45:431-444.

Imai, H. T. 1966a. Chromosome observation method of ants by using a squash method. (Part 1.). [In Japanese.]. Ari 3:1-2.

Imai, H. T. 1966b. The chromosome observation techniques of ants and the chromosomes of Formicinae and Myrmicinae. Acta Hymenopterologica 2:119-131. PDF

Illiger, K. 1807. Vergleichung der Gattungen der Hautflügler Piezata Fabr. Hymenoptera Linn. Jur. Magazin für Insektenkunde (Illiger) 6:189-199. PDF