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

Baroni Urbani, C.; De Andrade, M. L. 1999. [Untitled. Cephalotes bloosi Baroni Urbani & De Andrade new species.]. Pp. 549-551 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.; De Andrade, M. L. 2003. [Untitled. Bradoponera wunderlichi Baroni Urbani & De Andrade sp. n.]. Pp. 931-934 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. 2006. A new ProtanillaTaylor, 1990 (Hymenoptera: Formicidae: Leptanillinae) from Sri Lanka. Myrmecologische Nachrichten 8:45-47. 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. 1997. Pollen eating, storing, and spitting by ants. Naturwissenschaften 84:256-258.

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. 1998a. Strumigenys bauderi (Emery): espèce nouvelle pour la Suisse (Hymenoptera: Formicidae). Mitteilungen der Schweizerischen Entomologischen Gesellschaft 71:163-164.

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.

Baden, R. 1998. Esrtnachweis von Tapinoma ambiguum (Emery, 1925) in Luxemburg (Insecta, Formicidae, Dolichoderinae). Bulletin de la Société des Naturalistes Luxembourgeois 99:187-188.

Baroni Urbani, C. 2000. Rediscovery of the Baltic amber ant genus Prionomyrmex (Hymenoptera, Formicidae) and its taxonomic consequences. Eclogae Geologicae Helvetiae 93:471-480. PDF

Baroni Urbani, C. 2005. Phylogeny and biogeography of the ant subfamily Prionomyrmecinae (Hymenoptera, Formicidae). Annali del Museo Civico di Storia Naturale "Giacomo Doria" 96:581-595. PDF

Baroni Urbani, C. 2008. Orthotaxonomy and parataxonomy of true and presumed bulldog ants (Hymenoptera, Formicidae). Doriana 8 (358):1-10. PDF

Bacci, M., Jr.; Solomon, S. E.; Mueller, U. G.; Martins, V. G.; Carvalho, A. O. R.; Vieira, L. G. E.; Silva-Pinhati, A. C. O. 2009. Phylogeny of leafcutter ants in the genus Atta Fabricius (Formicidae: Attini) based on mitochondrial and nuclear DNA sequences. Molecular Phylogenetics and Evolution 51:427-437. PDF

Azuma, N.; Ogata, K.; Kikuchi, T.; Higashi, S. 2006. Phylogeography of Asian weaver ants, Oecophylla smaragdina. Ecological Research 21:126-136. PDF

Azorsa, F.; Sosa-Calvo, J. 2008. Description of a remarkable new species of ant in the genus Daceton Perty (Formicidae: Dacetini) from South America. Zootaxa 1749:27-38. PDF

Azuma, N.; Kikuchi, T.; Ogata, K.; Higashi, S. 2002. Molecular phylogeny among local populations of weaver ant Oecophylla smaragdina. Zoological Science (Tokyo) 19:1321-1328.

Ayala, F. J.; Wetterer, J. K.; Longino, J. T.; Hartl, D. L. 1996. Molecular phylogeny of Azteca ants (Hymenoptera: Formicidae) and the colonization of Cecropia trees. Molecular Phylogenetics and Evolution 5:423-428.

Attewell, P. 1996. Report for ants, 1995. Transactions of the Hertfordshire Natural History Society 32:429.

Attewell, P. 1998. Report for ants, 1997. Transactions of the Hertfordshire Natural History Society 33:216-218.

Attewell, P. 1999. Report for ants, 1998. Transactions of the Hertfordshire Natural History Society 33:416-419.

Astruc, C.; Julien, J. F.; Errard, C.; Lenoir, A. 2004. Phylogeny of ants (Formicidae) based on morphology and DNA sequence data. Molecular Phylogenetics and Evolution 31:880-893. PDF

Astruc, C.; Julien, J. F.; Errard, C.; Lenoir, A. 1998. Phylogenetics of Formicidae, deduced from molecular and morphological data. [Abstract.]. P. 38 in: Schwarz, M. P.; Hogendoorn, K. (eds.) 1998. Social insects at the turn of the millennium. Proceedings of the XIII International Congress of IUSSI. Adelaide, Australia. 29 December 1998 - 3 January 1999. Adelaide: XIII Congress of IUSSI, 535 pp.

Schwarz, M. P.; Hogendoorn, K. (eds.) 1998. Social insects at the turn of the millennium. Proceedings of the XIII International Congress of IUSSI. Adelaide, Australia. 29 December 1998 - 3 January 1999. Adelaide: XIII Congress of IUSSI, 535 pp.

Ashe, A.; Oldroyd, B. 2002. Genetic determination of caste in harvester ants. Trends in Ecology and Evolution 17:448-449. PDF

Aron, S.; Passera, L.; Keller, L. 1999. Evolution of social parasitism in ants: size of sexuals, sex ratio and mechanisms of caste determination. Proceedings of the Royal Society of London. Series B, Biological Sciences 266:173-177.

Arthofer, W.; Schlick-Steiner, B. C.; Steiner, F. M.; Konrad, H.; Espadaler, X.; Stauffer, C. 2005. Isolation of polymorphic microsatellite loci for the study of habitat fragmentation in the harvester ant Messor structor. Conservation Genetics 6:859-861. PDF

Armbrecht, I.; Tischer, I.; Chacon, P. 2001. Nested subsets and partition patterns in ant assemblages (Hymenoptera, Formicidae) of Colombian dry forest fragments. Pan-Pacific Entomologist 77:196-209.