Buschinger, A. 1997a. Unusual malformations in males of a North American Leptothorax species (Hymenoptera, Formicidae). Bembix 8:34-36.

Buschinger, A. 1997b. Ein neues Gesicht: Epitritus argiolus erstmals in Deutschland beobachtet. Ameisenschutz Aktuell 11:58-60.

Buschinger, A. 1997c. Vorkommen der sozialparasitischen Ameise Myrmica microrubra in Hessen (Hymenoptera, Formicidae). Hessische Faunistische Briefe 16:49-57.

Buschinger, A. 1997d. Socially parasitic formicoxenine ants from Western Europe - a review (Hymenoptera, Formicidae). Pp. 1-9 in: Kipyatkov, V. E. (ed.) 1997. Proceedings of the International Colloquia on Social Insects. Volume 3-4. St. Petersburg: Russian Language Section of the IUSSI, viii + 311 pp.

Cagniant, H. 1996a. Les Aphaenogaster du Maroc (Hymenoptera: Formicidae): clé et catalogue des espèces. Annales de la Société Entomologique de France (n.s.)32:67-85.

Cagniant, H. 1996b. Les Camponotus du Maroc (Hymenoptera: Formicidae): clé et catalogue des espèces. Annales de la Société Entomologique de France (n.s.)32:87-100.

Cagniant, H. 1996c. Étude des populations d'Aphaenogaster (supersp.) praedo Em. du Maroc. Nouvelles localités d'Aphaenogaster marocaines. Camponotus ruber Forel, 1894 bona species. (Hymenoptera, Formicidae). Bulletin de la Société Zoologique de France 121:237-254. PDF

Chang, Y.-D.; He, D.-H. 2001a. Three new record species of the ant genus Myrmica (Hymenoptera: Formicidae). [In Chinese.]. Acta Zootaxonomica Sinica 26:256. PDF

Chang, Y.-D.; He, D.-H. 2001b. A taxonomic study of the ant genus Tetramorium (Hymenoptera: Formicidae) in northwest China. [In Chinese.]. Journal of Ningxia Agricultural College 22(1):1-7. PDF

Chang, Y.-D.; He, D.-H. 2001c. A taxonomic study of the ant genus Leptothorax from northwestern China. [In Chinese.]. Journal of Ningxia Agricultural College 22(2):1-4. PDF

Chang, Y.-D.; He, D.-H. 2002c. A new species of Plagiolepis Mayr, 1861 (Hymenoptera: Formicidae: Formicinae) from northwestern China. [In Chinese.]. Entomotaxonomia 24:151-153. PDF

Chang, Y.-D.; He, D.-H. 2002d. Ant fauna in the northwestern regions of China. [In Chinese.]. Acta Zoologica Sinica 48:322-332. PDF

Chang, Y.-D.; He, D.-H. 2002e. A new species of Liometopum Mayr from Gansu, China (Hymenoptera: Formicidae, Dolichoderinae). [In Chinese.]. Acta Entomologica Sinica 45(Suppl.):110-111. PDF

Chang, Y.-D.; He, D.-H. 2002f. A new species of Lasius Fabricius, 1804 (Hymenoptera: Formicidae: Formicinae) from Gansu, China. [In Chinese.]. Entomotaxonomia 24:203-205. PDF

Collingwood, C. A.; Van Harten, A. 2001a. The ants (Hym., Formicidae) of Niue, south west Pacific. Entomologist's Monthly Magazine 137:139-143. PDF

Crozier, R. H.; Pamilo, P. 1996a. Evolution of social insect colonies. Sex allocation and kin selection. Oxford: Oxford University Press, viii + 306 pp.

Crozier, R. H.; Pamilo, P. 1996b. One into two will go. Nature (London) 383:574-575.

Cuezzo, F. 1998a. Formicidae (Hymenoptera) de la colección de la Fundación-Instituto Miguel Lillo. Subfamilias Dolichoderinae y Formicinae. Acta Zoologica Lilloana 44:359-378.

Cuezzo, F. 1998b. Formicidae. Pp. 452-462 in: Morrone, J. J.; Coscarón, S. (eds.) 1998. Biodiversidad de artrópodos argentinos. La Plata: Ediciones SUR, vii + 599 pp.

Czechowska, W.; Czechowski, W. 1999a. Leptothorax albipennis Curtis, 1854 (Hymenoptera, Formicidae) - nowy dla Polski gatunek mrówki. Przeglad Zoologiczny 43:103-104.

Czechowska, W.; Czechowski, W. 1999b. Lasius neglectus van Loon, Boomsma et Andrasfalvy, 1990 (Hymenoptera, Formicidae), nowy dla Polski gatunek mrówki, w Warszawie. Przeglad Zoologiczny 43:189-191.

Borowiec, M. L. 2007b. A new species of Tyrannomyrmex (Hymenoptera: Formicidae: Myrmicinae) from India. Zootaxa 1642:65-68. PDF

Borowiec, M. L. 2007c. A third species of Mayriella from the Oriental region (Hymenoptera: Formicidae). Genus (Wroclaw) 18:773-776. PDF

Borowiec, M. L. 2009b. Nowe dane o rozmieszczeniu mrówek (Hymenoptera: Formicidae) z plemienia Formicoxenini w Polsce. Wiadomosci Entomologiczne 28:237-246. PDF

Baroni Urbani, C. 1998b. The number of castes in ants, where major is smaller than minor and queens wear the shield of the soldiers. Insectes Sociaux 45:315-333.

Baroni Urbani, C. 1999a. [Untitled. Cephalotes poinari Baroni Urbani new species.]. Pp. 296-298 in: De Andrade, M. L.; Baroni Urbani, C. 1999. Diversity and adaptation in the ant genus Cephalotes, past and present. Stuttgarter Beiträge zur Naturkunde. Serie B (Geologie und Paläontologie) 271:1-889. PDF

Baroni Urbani, C. 1999b. [Untitled. Cephalotes dieteri Baroni Urbani new species.]. Pp. 547-548 in: De Andrade, M. L.; Baroni Urbani, C. 1999. Diversity and adaptation in the ant genus Cephalotes, past and present. Stuttgarter Beiträge zur Naturkunde. Serie B (Geologie und Paläontologie) 271:1-889. PDF

Baroni Urbani, C. 2003a. The Baltic amber species of Prionomyrmex (Hymenoptera, Formicidae). Mitteilungen aus dem Geologisch-Paläontologischen Institut der Universität Hamburg 87:141-146. PDF

Baroni Urbani, C. 2003b. [Untitled. Bradoponera electrina Baroni Urbani sp. n.]. Pp. 934-935 in: De Andrade, M. L.; Baroni Urbani, C. 2003. The Baltic amber ant genus Bradoponera (Hymenoptera: Formicidae), with description of two new species and a reassessment of the Proceratiini genera. Revue Suisse de Zoologie 110:913-938. PDF

Baroni Urbani, C.; de Andrade, M. L. 2003a. The ant genus Proceratium in the extant and fossil record (Hymenoptera: Formicidae). Museo Regionale di Scienze Naturali Monografie (Turin) 36:1-492. PDF