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Lombardini, G. 1926. Formiche di Faenza. Bollettino della Società Entomologica Italiana 58:18-21. PDF
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Llave, P. de 1832. Sobre las busileras u hormigas de miel. Registro Trimestre; o Colección de Memorias de Historia, Literatura, Ciencias y Artes 1:455-463. PDF
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Lipski, N.; Heinze, J.; Hölldobler, B. 1994. Untersuchungen zu Koloniestruktur und genetischem Verwandtschaftsgrad bei Leptothorax muscorum (Hym., Formicidae). Mitteilungen der Deutschen Gesellschaft für Allgemeine und Angewandte Entomologie 9:355-359.
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Linnaeus, C. 1771. Mantissa plantarum altera generum editionis VI & specierum editionis II. Holmiae [= Stockholm]: Laurentii Salvii, [6] + 143-587 pp. PDF

Notes: Description of Formica quadripunctata, p. 541.

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Lewis, S. 1987. Fossil ants (Hymenoptera: Formicidae) from the Ruby River Basin (Oligocene) of southwestern Montana. Occasional Papers in Paleobiology. St. Cloud State University 1(3):1-10.

Notes: Tentative generic identifications: Camponotus, Elaeomyrmex, Lasius, Liometopum, and Protazteca.

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Lévieux, J. 1972b. Les fourmis de la savane de Lamto (Côte d'Ivoire): éléments de taxonomie. Bulletin de l'Institut Fondamental d'Afrique Noire. Série A. Sciences Naturelles 34:611-654.
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