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Harrington, W. H. 1891. Note on Amblyopone pallipes, Hald. Canadian Entomologist 23:138-139. PDF
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Harvey, P. R. 1995. A review of notable bees, wasps and ants recently recorded from Essex. Essex Naturalist (London) 12:17-32.

Notes: Not seen. Cited in BIOSIS.

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Gronenberg, W.; Ehmer, B. 1995. Tubular muscle fibers in ants and other insects. Zoology. Analysis of Complex Systems 99:68-80.
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Grundmann, A. W.; Peterson, B. V. 1953. House infesting ants in Salt Lake City, Utah. Journal of the Kansas Entomological Society 26:59-60.
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Guérin-Méneville, F. E. 1857. Animaux articulés à pieds articulés. In: Sagra, R. de 1857. la. Histoire physique, politique et naturelle de l'ile de Cuba. [Tome VII.]. Paris: Arthus Bertrand, lxxxvii + 868 pp.

Notes: Also published in a Spanish edition in the same year; see Aguayo (1946). Ants pp. 755-758 (four species recorded).

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Gregg, R. E. 1964. Distribution of the ant genus Formica in the mountains of Colorado. Leaflet. University of Colorado Museum 13:59-69.
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Gregg, R. E. 1974. William Steel Creighton - An appreciation. Journal of the New York Entomological Society 82:67-75.
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Gregg, R. E. 1969a. Geographic distribution of the ant genus Formica (Hymenoptera: Formicidae). Proceedings of the Entomological Society of Washington 71:38-49. PDF
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Gregg, R. E. 1972b. The northward distribution of ants in North America. Canadian Entomologist 104:1073-1091. PDF
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