Kim, B.-J.; Kim, K.-G. 1994. On the two new species, Camponotus concavus n. sp and fuscus n. sp from Korea (Hym., Formicidae). Korean Journal of Entomology 24:285-292. PDF

Kinomura, K.; Yamauchi, K. 1992. A new workerless socially parasitic species of the genus Vollenhovia (Hymenoptera, Formicidae) from Japan. Japanese Journal of Entomology 60:203-206. PDF

Kiseleva, E. F. 1925. On the ant fauna of the Ussuri region. [In Russian.]. Izvestiya Tomskogo Gosudarstvennogo Universiteta 75:73-75. PDF

Kempf, W. W. 1965. Nota preliminar sôbre algumas formigas neotrópicas, descritas por Frederick Smith (Hymenoptera, Formicidae). Revista Brasileira de Biologia 25:181-186. PDF

Kempf, W. W. 1969. Miscellaneous studies on Neotropical ants. V. (Hymenoptera, Formicidae). Studia Entomologica 12:273-296. PDF

Kempf, W. W. 1961b. A survey of the ants of the soil fauna in Surinam (Hymenoptera: Formicidae). Studia Entomologica 4:481-524. PDF

Kempf, W. W. 1961e. As formigas do gênero Pachycondyla Fr. Smith no Brasil (Hymenoptera: Formicidae). Revista Brasileira de Entomologia 10:189-204. PDF

Kempf, W. W. 1961g. Remarks on the ant genus Irogera Emery, with the description of a new species (Hymenoptera, Formicidae). Revista Brasileira de Biologia 21:435-441. PDF

Kempf, W. W. 1962a. Retoques à classificação das formigas neotropicais do gênero Heteroponera Mayr (Hym., Formicidae). Papeis Avulsos de Zoologia (São Paulo) 15:29-47. PDF

Kempf, W. W. 1962b. Miscellaneous studies on neotropical ants. II. (Hymenoptera, Formicidae). Studia Entomologica 5:1-38. PDF

Kempf, W. W. 1963a. Additions to the Neotropical ant genus Rogeria Emery, with a key to the hitherto recorded South American species (Hym., Formicidae). Revista Brasileira de Biologia 23:189-196. PDF

Kempf, W. W. 1963b. A review of the ant genus Mycocepurus Forel, 1893 (Hymenoptera: Formicidae). Studia Entomologica 6:417-432. PDF

Kempf, W. W. 1963c. Nota sinonímica acêrca de formigas da tribo Cephalotini (Hymenoptera, Formicidae). Revista Brasileira de Biologia 23:435-438. PDF

Kempf, W. W. 1964a. Uma nova Platythyrea do Brasil (Hym., Formicidae). Revista Brasileira de Entomologia 11:141-144. PDF

Kempf, W. W. 1964b. Additions to the knowledge of the Cephalotini ants (Hymenoptera, Formicidae). Papeis Avulsos de Zoologia (São Paulo) 16:243-255. PDF

Kempf, W. W. 1964d. A revision of the Neotropical fungus-growing ants of the genus Cyphomyrmex Mayr. Part I: Group of strigatus Mayr (Hym., Formicidae). Studia Entomologica 7:1-44. PDF

Kempf, W. W. 1964e. Miscellaneous studies on Neotropical ants. III. (Hymenoptera: Formicidae). Studia Entomologica 7:45-71. PDF

Kempf, W. W. 1964f. The ants of the genus Anochetus (Stenomyrmex) in Brazil (Hym., Formicidae). Studia Entomologica 7:237-246. PDF

Kempf, W. W. 1967c. Estudos sôbre Pseudomyrmex. IV (Hymenoptera: Formicidae). Revista Brasileira de Entomologia 12:1-12. PDF

Kempf, W. W. 1967d. Three new South American ants (Hym. Formicidae). Studia Entomologica 10:353-360. PDF

Kempf, W. W. 1967e. A new revisionary note on the genus Paracryptocerus Emery (Hym. Formicidae). Studia Entomologica 10:361-368. PDF

Kempf, W. W. 1968a. A new species of Cyphomyrmex from Colombia, with further remarks on the genus (Hymenoptera, Formicidae). Revista Brasileira de Biologia 28:35-41. PDF

Kempf, W. W. 1968b. Miscellaneous studies on Neotropical ants. IV. (Hymenoptera, Formicidae). Studia Entomologica 11:369-415. PDF

Kempf, W. W. 1972b. Catálogo abreviado das formigas da região Neotropical. Studia Entomologica 15:3-344. PDF

Keller, R. A. 2000. Cladistics of the tribe Ectatommini (Hymenoptera: Formicidae): a reappraisal. Insect Systematics and Evolution 31:59-69. PDF

Keller, R. A. 2011. A phylogenetic analysis of ant morphology (Hymenoptera: Formicidae) with special reference to the poneromorph subfamilies. Bulletin of the American Museum of Natural History 355:1-90. PDF

Keilbach, R. 1982. Bibliographie und Liste der Arten tierischer Einschlüsse in fossilen Harzen sowie ihrer Aufbewahrungsorte. Teil 1. Deutsche Entomologische Zeitschrift (N.F.)29:129-286.

Notes: Formicidae pp. 272-281.

Kempf, W. W. 1949. A new species and subspecies of Procryptocerus from Espírito Santo, Brazil (Hymenoptera, Formicidae). Revista de Entomologia (Rio de Janeiro) 20:423-426. PDF

Kempf, W. W. 1951. A taxonomic study on the ant tribe Cephalotini (Hymenoptera: Formicidae). Revista de Entomologia (Rio de Janeiro) 22:1-244. PDF

Kempf, W. W. 1952. A synopsis of the pinelii-complex in the genus Paracryptocerus (Hym. Formicidae). Studia Entomologica 1:1-30. PDF