Greenslade, P. J. M. 1987. Environment and competition as determinants of local geographical distribution of five meat ants, Iridomyrmex purpureus and allied species (Hymenoptera: Formicidae). Australian Journal of Zoology 35:259-273.

Greenslade, P. J. M. 1995. A note on the ants of southern Eyre Peninsula, South Australia. The South Australian Naturalist 69:9.

Greenslade, P. J. M.; Greenslade, P. 1973. Ants of a site in arid southern Australia. Pp. 145-149 in: International Union for the Study of Social Insects. Congress 1973. Proceedings IUSSI VIIth International Congress, London, 10-15 September, 1973. Southampton: University of Southampton, vi + 418 pp.

Greenslade, P. J. M.; Greenslade, P. 1977. Some effects of vegetation cover and disturbance on a tropical ant fauna. Insectes Sociaux 24:163-182.

Greenslade, P. J. M.; Halliday, R. B. 1982. Distribution and speciation in meat ants, Iridomyrmex purpureus and related species (Hymenoptera: Formicidae). Pp. 249-255 in: Barker, W. R.; Greenslade, P. J. M. (eds.) 1982. Evolution of the flora and fauna of arid Australia. Frewville, South Australia: Peacock Publications, 392 pp.

Greenslade, P. J. M.; Halliday, R. B. 1983. Colony dispersion and relationships of meat ants Iridomyrmex purpureus and allies in an arid locality in South Australia. Insectes Sociaux 30:82-99.

Greenslade, P. J. M.; Thompson, C. H. 1981. Ant distribution, vegetation, and soil relationships in the Cooloola-Noosa River area, Queensland. Pp. 192-207 in: Gillison, A. N.; Anderson, D. J. (eds.) 1981. Vegetation classification in Australia. Canberra: C.S.I.R.O. & Australian National University Press, xxi + 229 pp.

Greer, J. A.; Moreau, C. S. 2022. Phylogenetic analysis and trait evolution of ant cocoons. Insect Systematics & Evolution 53:60-77. 10.1163/1876312X-bja10008 PDF

Notes: Online early publication 20 Jul 2021, without volume number or final pagination.

Gregg, E. V. 1945. A statistical study of taxonomic categories in ants (Formicidae: Lasius neoniger and Lasius americanus). Annals of the Entomological Society of America 38:529-548. PDF

Gregg, R. E. 1938. [Review of: Wheeler, W. M. 1937. Mosaics and other anomalies among ants. Cambridge, Mass.: Harvard University Press, 95 pp.]. Ecology 19:312-314.

Gregg, R. E. 1942. The origin of castes in ants with special reference to Pheidole morrisi Forel. Ecology 23:295-308.

Gregg, R. E. 1945a ("1944"). The ants of the Chicago region. Annals of the Entomological Society of America 37:447-480. PDF

Gregg, R. E. 1945b. The worker caste of Harpagoxenus canadensis Smith (Formicidae). Canadian Entomologist 77:74-76. PDF

Gregg, R. E. 1945c. Two new forms of Monomorium (Formicidae). Psyche (Cambridge) 52:62-69. PDF

Gregg, R. E. 1946. The ants of northeastern Minnesota. American Midland Naturalist 35:747-755. PDF

Gregg, R. E. 1947. Altitudinal indicators among the Formicidae. University of Colorado Studies. Physical and Biological Sciences 2:385-403.

Gregg, R. E. 1948. An unusual nest of the prairie mound-building ant (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 50:183-186.

Gregg, R. E. 1949a. A note on Pheidole (Macropheidole) rhea Wheeler (Hymenoptera: Formicidae). Psyche (Cambridge) 56:70-73. PDF

Gregg, R. E. 1949b. A new ant from southwestern United States (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 51:171-174. PDF

Gregg, R. E. 1950. A new species of Pheidole from the Southwest. Journal of the New York Entomological Society 58:89-93. PDF

Gregg, R. E. 1951. Two new species of exotic ants. Psyche (Cambridge) 58:77-84. PDF

Gregg, R. E. 1952a. A new ant of the genus Pheidole from Colorado. American Museum Novitates 1557:1-4. PDF

Gregg, R. E. 1952b. The female of Formica opaciventris Emery (Formicidae). Psyche (Cambridge) 59:13-19. PDF

Gregg, R. E. 1953a. Notes on the ant, Leptothorax obliquicanthus Cole (Hymenoptera: Formicidae). Breviora 22:1-4. PDF

Gregg, R. E. 1953b. The soldier caste of Pheidole (Ceratopheidole) clydei Gregg (Hymenoptera, Formicidae). American Museum Novitates 1637:1-7. PDF

Gregg, R. E. 1953c. Morphological considerations affecting the taxonomy of certain genera of ants (Hymenoptera, Formicidae). Proceedings of the Entomological Society of Washington 55:324-330. PDF

Gregg, R. E. 1954a ("1953"). Taxonomic notes on the ant, Camponotus cooperi Gregg. Psyche (Cambridge) 60:102-104. PDF

Gregg, R. E. 1954b. Geographical distribution of the genus Myrmoteras, including the description of a new species (Hymenoptera: Formicidae). Psyche (Cambridge) 61:20-30. PDF

Gregg, R. E. 1955a. A new species of ant belonging to the Pheidole pilifera complex (Hymenoptera: Formicidae). Psyche (Cambridge) 62:19-28. PDF

Gregg, R. E. 1955b. The rediscovery of Veromessor lobognathus (Andrews) (Hymenoptera: Formicidae). Psyche (Cambridge) 62:45-52.