Kempf, W. W. 1959d. A synopsis of the New World species belonging to the Nesomyrmex-group of the ant genus Leptothorax Mayr (Hymenoptera: Formicidae). Studia Entomologica (n.s.)2:391-432. PDF

Kempf, W. W. 1958g. The ants of the tribe Dacetini in the State of Sao Paulo, Brazil, with the description of a new species of Strumigenys. (Hymenoptera: Formicidae). Studia Entomologica (n.s.)1:553-560. PDF

Kempf, W. W. 1959a. Sôbre algumas formigas Cephalotini do Museu de Oxford (Hymenoptera, Formicidae). Revista Brasileira de Biologia 19:91-98. PDF

Kempf, W. W. 1959b. Insecta Amapaensia. - Hymenoptera: Formicidae. Studia Entomologica (n.s.)2:209-218. PDF

Kempf, W. W. 1959c. A revision of the Neotropical ant genus Monacis Roger (Hymenoptera: Formicidae). Studia Entomologica (n.s.)2:225-270. PDF

Kempf, W. W. 1958d. Synonymic note on ants of the genus Paracryptocerus Emery (Hymenoptera: Formicidae). Entomological News 69:108-110. PDF

Kempf, W. W. 1958e. Discovery of the ant genus Wadeura in Brazil (Hymenoptera: Formicidae). Revista Brasileira de Entomologia 8:175-180. PDF

Kempf, W. W. 1958f. Estudos sôbre Pseudomyrmex. II. (Hymenoptera: Formicidae). Studia Entomologica (n.s.)1:433-462.

Kempf, W. W. 1958a. New studies of the ant tribe Cephalotini (Hym. Formicidae). Studia Entomologica (n.s.)1:1-168.

Kempf, W. W. 1958b. Three new ants of the genus Strumigenys from Colombia (Hym. Formicidae). Revista Brasileira de Entomologia 8:59-68. PDF

Kempf, W. W. 1958c. Sôbre algumas formigas neotrópicas do gênero Leptothorax Mayr (Hymenoptera: Formicidae). Anais da Academia Brasileira de Ciencias 30:91-102. PDF

Kempf, W. W. 1957. Sôbre algumas espécies de Procryptocerus com a descrição duma espécie nova (Hymenoptera, Formicidae). Revista Brasileira de Biologia 17:395-404. 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. 1971. A preliminary review of the ponerine ant genus Dinoponera Roger (Hymenoptera: Formicidae). Studia Entomologica 14:369-394. PDF

Kempf, W. W. 1956. A morphological study on the male genitalia of Paracryptocerus (P.) pusillus (Hymenoptera: Formicidae). Revista Brasileira de Entomologia 5:101-110. PDF

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

Kempf, W. W. 1953. Uma nova espécie de Paracryptocerus da Colômbia, praga do cafeeiro (Hymenoptera, Formicidae). Papeis Avulsos de Zoologia (São Paulo) 11:79-88. PDF

Kempf, W. W. 1954. A descoberta do primeiro macho do gênero Thaumatomyrmex Mayr (Hymenoptera, Formicidae). Revista Brasileira de Entomologia 1:47-52. 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.

Keister, M. 1963. The anatomy of the tracheal system of Camponotus pennsylvanicus (Hymenoptera: Formicidae). Annals of the Entomological Society of America 56:336-340.

Keller, L. 1991. Queen number, mode of colony founding, and queen reproductive success in ants (Hymenoptera Formicidae). Ethology Ecology and Evolution 3:307-316.

Keller, L. 1995. Social life: the paradox of multiple-queen colonies. Trends in Ecology and Evolution 10:355-360.

Keller, L. (ed.) 1993. Queen number and sociality in insects. Oxford: Oxford University Press, 451 pp.

Keller, L.; Passera, L. 1989. Size and fat content of gynes in relation to the mode of colony founding in ants (Hymenoptera; Formicidae). Oecologia (Berlin) 80:236-240.

Keegans, S. J.; Morgan, E. D.; Agosti, D.; Wehner, R. 1992. What do glands tell us about species? A chemical case study of Cataglyphis ants. Biochemical Systematics and Ecology 20:559-572. PDF

Keall, J. B. 1980a. Some ants recently intercepted entering New Zealand (Hymenoptera: Formicidae). New Zealand Entomologist 7:119-122.

Keall, J. B. 1980b. Some arthropods recently intercepted entering New Zealand in orchids from Honduras. New Zealand Entomologist 7:127-129.