Fowler, H. G. 1977. Acromyrmex (Moellerius) landolti Forel en el Paraguay: las subspecies balzani (Emery) y fracticornis (Forel) (Insecta: Hymenoptera). Neotropica (La Plata) 23:39-44. PDF

Fowler, H. G. 1978. New records of Atta and Acromyrmex species in Paraguay. Attini 4:2.

Fowler, H. G.; Robinson, S. W. 1979. Field identification and relative pest status of Paraguayan leaf-cutting ants. Turrialba 29:11-16.

Fowler, H. G. 1979a. Las hormigas cortadoras del Paraguay de los géneros Atta Fabricius y Acromyrmex Mayr: bionómico, distribución y sistemàtica. Informes Científicos (Universidad Nacional de Asunción) 2:30-70.

Fowler, H. G. 1979b ("1978"). Variación sexual diferencial en Acromyrmex rugosus rugosus (Hymenoptera - Formicidae - Attini). Neotropica (La Plata) 24:141-144. PDF

Fowler, H. G. 1981 ("1980"). Nuevos registros de hormigas para el Paraguay (Hymenoptera Formicidae). Neotropica (La Plata) 26:183-186. PDF

Fowler, H. G. 1982a. A new species of Trachymyrmex fungus-growing ant (Hymenoptera: Myrmicinae: Attini) from Paraguay. Journal of the New York Entomological Society 90:70-73. PDF

Fowler, H. G. 1982b. Evolution of the foraging behavior of leaf-cutting ants (Atta and Acromyrmex). [Abstract.]. P. 33 in: Breed, M. D.; Michener, C. D.; Evans, H. E. (eds.) 1982. The biology of social insects. Proceedings of the Ninth Congress of the IUSSI, Boulder, Colorado, August 1982. Boulder: Westview Press, xii + 420 pp.

Fowler, H. G. 1983a. Distribution patterns of Paraguayan leaf-cutting ants (Atta and Acromyrmex) (Formicidae: Attini). Studies on the Neotropical Fauna and Environment 18:121-138. PDF

Fowler, H. G. 1983b. Glandular and structural variation with respect to worker size variation in the carpenter ant, Camponotus pennsylvanicus (DeGeer) (Hymenoptera: Formicidae). Sociobiology 8:199-207.

Fowler, H. G. 1984 ("1983"). Latitudinal gradients and diversity of the leaf-cutting ants (Atta and Acromyrmex) (Hymenoptera: Formicidae). Revista de Biología Tropical 31:213-216. PDF

Fowler, H. G. 1985a. Leaf-cuttings ants of the genera Atta and Acromyrmex of Paraguay (Hymenoptera Formicidae). Deutsche Entomologische Zeitschrift (N.F.)32:19-34.

Fowler, H. G. 1985b ("1984"). Colony-level regulation of forager caste ratios in response to caste perturbations in the carpenter ant, Camponotus pennsylvanicus (De Geer) (Hymenoptera: Formicidae). Insectes Sociaux 31:461-472.

Fowler, H. G. 1986. Polymorphism and colony ontogeny in North American carpenter ants (Hymenoptera: Formicidae: Camponotus pennsylvanicus and Camponotus ferrugineus). Zoologische Jahrbücher. Abteilung für Allgemeine Zoologie und Physiologie der Tiere 90:297-316.

Fowler, H. G.; Forti, L. C.; Pereira-da-Silva, V.; Saes, N. B. 1986. Economics of grass-cutting ants. Pp. 18-35 in: Lofgren, C. S.; Vander Meer, R. K. (eds.) 1986. Fire ants and leaf-cutting ants. Biology and management. Boulder: Westview Press, xv + 435 pp. PDF

Fowler, H. G. 1988a ("1987"). Worker polymorphism in field colonies of carpenter ants (Hymenoptera: Formicidae: Camponotus): stochastic selection? Insectes Sociaux 34:204-210.

Fowler, H. G. 1988b. Taxa of the neotropical grass-cutting ants, Acromyrmex (Hymenoptera: Formicidae: Attini). Científica (Jaboticabal) 16:281-295. PDF

Fowler, H. G.; Bernardi, J. V. E.; Delabie, J. C.; Forti, L. C.; Pereira-da-Silva, V. 1990. Major ant problems of South America. Pp. 3-14 in: Vander Meer, R. K.; Jaffe, K.; Cedeno, A. (eds.) 1990. Applied myrmecology: a world perspective. Boulder: Westview Press, xv + 741 pp.

Fowler, H. G.; Bernardi, J. V. E.; di Romagnano, L. F. T. 1990. Community structure and Solenopsis invicta in São Paulo. Pp. 199-207 in: Vander Meer, R. K.; Jaffe, K.; Cedeno, A. (eds.) 1990. Applied myrmecology: a world perspective. Boulder: Westview Press, xv + 741 pp.

Fowler, H. G.; Claver, S. 1991. Leaf-cutter ant assemblies: effects of latitude, vegetation, and behaviour. Pp. 51-59 in: Huxley, C. R.; Cutler, D. F. (eds.) 1991. Ant-plant interactions. Oxford: Oxford University Press, xviii + 601 pp.

Fowler, H. G. 1992. Native fauna simplification by introduction of an exotic ant following hydroelectric dam construction in northeastern Brazil. Ciência e Cultura (São Paulo) 44:345-346.

Claver, S.; Fowler, H. G. 1993. The ant fauna (Hymenoptera, Formicidae) of the Ñacuñan Biosphere Reserve. Naturalia (São Paulo) 18:189-193.

Della Lucia, T. M. C.; Fowler, H. G.; Moreira, D. D. O. 1993. Espécies de formigas cortadeiras no Brasil. Pp. 26-31 in: Della Lucia, T. M. C. (ed.) 1993. As formigas cortadeiras. Viçosa: Editora Folha de Viçosa, 262 pp.

Fowler, H. G.; Della Lucia, T. M. C.; Moreira, D. D. O. 1993. Posição taxonômica das formigas cortadeiras. Pp. 4-25 in: Della Lucia, T. M. C. (ed.) 1993. As formigas cortadeiras. Viçosa: Editora Folha de Viçosa, 262 pp.

Diniz-Filho, J. A. F.; Von Zuben, C. J.; Fowler, H. G.; Schlindwein, M. N.; Bueno, O. C. 1994. Multivariate morphometrics and allometry in a polymorphic ant. Insectes Sociaux 41:153-163.

Fowler, H. G. 1994 ("1993"). Relative representation of Pheidole (Hymenoptera: Formicidae) in local ground ant assemblages of the Americas. Anales de Biología 19:29-37.

Fowler, H. G.; Schlindwein, M. N.; Medeiros, M. A. de 1994. Exotic ants and community simplification in Brazil: a review of the impact of exotic ants on native ant assemblages. Pp. 151-162 in: Williams, D. F. (ed.) 1994. Exotic ants. Biology, impact, and control of introduced species. Boulder: Westview Press, xvii + 332 pp.

MacKay, W. P.; Porter, S.; Fowler, H. G.; Vinson, S. B. 1994. A distribução das formigas lava-pés (Solenopsis spp.) no Estado de Mato Grosso do Sul, Brasil (Hymenoptera: Formicidae). Sociobiology 24:307-317.

Delabie, J. H. C.; Fowler, H. G. 1995. Soil and litter cryptic ant assemblages of Bahian cocoa plantations. Pedobiologia 39:423-433.

Fowler, H. G. 1995. The population status of the endangered Brazilian endemic leaf-cutting ant Atta robusta (Hymenoptera: Formicidae). Biological Conservation 74:147-150.