Smith, M. R. 1936a. Consideration of the fire ant Solenopsis xyloni as an important southern pest. Journal of Economic Entomology 29:120-122. PDF
Smith, M. R. 1936b. Distribution of the Argentine ant in the United States and suggestions for its control or eradication. United States Department of Agriculture. Circular 387:1-39. PDF
Smith, M. R. 1936c. A list of the ants of Texas. Journal of the New York Entomological Society 44:155-170. PDF
Smith, M. R. 1936d. Ants of the genus Ponera in America, north of Mexico. Annals of the Entomological Society of America 29:420-430. PDF
Smith, M. R. 1937 ("1936"). The ants of Puerto Rico. Journal of Agriculture of the University of Puerto Rico 20:819-875. PDF
Smith, M. R. 1938a. A study of the North American ants of the genus Xiphomyrmex Forel. Journal of the Washington Academy of Sciences 28:126-130. PDF
Smith, M. R. 1938b. Notes on the legionary ants (Eciton, subgenus Acamatus) with a record of new specific synonymy. Proceedings of the Entomological Society of Washington 40:157-160. PDF
Smith, M. R. 1939a. A new species of North American Ponera, with an ergatandrous form (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 41:76-78. PDF
Smith, M. R. 1939b. The North American ants of the genus Harpagoxenus Forel, with the description of a new species (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 41:165-172. PDF
Smith, M. R. 1939c. Notes on Leptothorax (Mychothorax) hirticornis Emery, and description of a related new species (Formicidae). Proceedings of the Entomological Society of Washington 41:176-180. PDF
Smith, M. R. 1939d. A study of the subspecies of Odontomachus haematoda (L.) of the United States (Hymenoptera: Formicidae). Journal of the New York Entomological Society 47:125-130. PDF
Smith, M. R. 1939e. Ants of the genus Macromischa Roger in the United States (Hymenoptera: Formicidae). Annals of the Entomological Society of America 32:502-509. PDF
Smith, M. R. 1939f. Notes on Formica (Neoformica) moki Wheeler, with description of a new subspecies (Hymenoptera: Formicidae). Annals of the Entomological Society of America 32:581-584. PDF
Smith, M. R. 1940a. The discovery of the worker caste of an inquilinous ant, Epipheidole inquilina Wheeler. Proceedings of the Entomological Society of Washington 42:104-109. PDF
Smith, M. R. 1940b. The identity of the ant Camponotus (Myrmentoma) caryae (Fitch). Proceedings of the Entomological Society of Washington 42:137-141. PDF
Smith, M. R. 1941. Two new species of Aphaenogaster (Hymenoptera: Formicidae). Great Basin Naturalist 2:118-121. PDF
Smith, M. R. 1942a. A new, apparently parasitic ant. Proceedings of the Entomological Society of Washington 44:59-61. PDF
Smith, M. R. 1942b. The males of two North American cerapachyine ants. Proceedings of the Entomological Society of Washington 44:62-64. PDF
Smith, M. R. 1942c. The legionary ants of the United States belonging to Eciton subgenus Neivamyrmex Borgmeier. American Midland Naturalist 27:537-590. PDF
Smith, M. R. 1942d. The relationship of ants and other organisms to certain scale insects on coffee in Puerto Rico. Journal of Agriculture of the University of Puerto Rico 26:21-27. PDF
Smith, M. R. 1943a ("1942"). A new North American Solenopsis (Diplorhoptrum) (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 45:209-211. PDF
Smith, M. R. 1943b. Ants of the genus Tetramorium in the United States with the description of a new species. Proceedings of the Entomological Society of Washington 45:1-5. PDF
Smith, M. R. 1943c. Pheidole (Macropheidole) rhea Wheeler, a valid species (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 45:5-9. PDF
Smith, M. R. 1943d. The first record of Leptothorax, subgenus Goniothorax Emery, in the United States, with the description of a new species. Proceedings of the Entomological Society of Washington 45:154-156. PDF
Smith, M. R. 1943e. A generic and subgeneric synopsis of the male ants of the United States. American Midland Naturalist 30:273-321. PDF
Smith, M. R. 1943f. A new male legionary ant from the Mojave Desert, California. Lloydia 6:196-197. PDF
Smith, M. R. 1944a. Ants of the genus Cardiocondyla Emery in the United States. Proceedings of the Entomological Society of Washington 46:30-41. PDF
Smith, M. R. 1944b. The ants of the genus Thaumatomyrmex Mayr with the description of a new Panamanian species (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 46:97-99. PDF
Smith, M. R. 1944c. A key to the genus Acanthognathus Mayr, with the description of a new species (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 46:150-152. PDF
Smith, M. R. 1944d. Additional ants recorded from Florida, with descriptions of two new subspecies. Florida Entomologist 27:14-17. PDF