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Haddow, A. J.; Yarrow, I. H. H.; Lanchaster, G. A.; Corbet, P. S. 1966. Nocturnal flight cycle in the males of African doryline ants (Hymenoptera: Formicidae). Proceedings of the Royal Entomological Society of London. Series A 41:103-106.

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Notes: Formica aquilonia

Haeseler, V. 1982. Ameisen, Wespen und Bienen als Bewohner gepflasterter Bürgersteige, Parkplätze und Strassen (Hymenoptera: Aculeata). Drosera 82:17-32.

Haeseler, V. 1987. Ameisen, Wespen und Bienen des Ipsweger Moores bei Oldenburg i.O. (Hymenoptera: Aculeata). Braunschweiger Naturkundliche Schriften 2:663-683.

Haeseler, V. 1990. Zum Vorkommen von Harpagoxenus sublaevis (Nylander) in einem aufgeforsteten Hochmoorrest bei Oldenburg (Hymenoptera: Formicidae). Braunschweiger Naturkundliche Schriften 3:757-762.

Hagan, H. R. 1954a. The reproductive system of the army-ant queen, Eciton (Eciton). Part 1. General anatomy. American Museum Novitates 1663:1-12.

Hagan, H. R. 1954b. The reproductive system of the army-ant queen, Eciton (Eciton). Part 2. Histology. American Museum Novitates 1664:1-17.

Hagan, H. R. 1954c. The reproductive system of the army-ant queen, Eciton (Eciton). Part 3. The oöcyte cycle. American Museum Novitates 1665:1-20.

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Hahn, C. W. 1832. Die Wanzenartigen Insecten. Getreu nach der Natur abgebildet und beschrieben. Band I, Heft 3. Nürnberg: Zeh, pp. 81-118. PDF

Notes: Publication date from Sherborn (1914). See also Bergroth (1919).

Haines, I. H.; Haines, J. B. 1978. Colony structure, seasonality and food requirements of the Crazy Ant, Anoplolepis longipes (Jerd.) in the Seychelles. Ecological Entomology 3:109-118. PDF

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Halberstadt, K. 1963. Zur Pigmentierung der Formicinenkutikula. Symposia Genetica et Biologica Italica 12:214-220.

Haldeman, S. S. 1844. Descriptions of insects, presumed to be undescribed. Proceedings of the Academy of Natural Sciences of Philadelphia 2:53-55. PDF

Notes: Published between 30 April 1844 and 21 June 1844. See Nolan (1913).

Haldeman, S. S. 1849a. On the identity of Anomma with Dorylus, suggested by specimens which Dr. Savage found together, and transmitted to illustrate his paper on the driver ants. Proceedings of the Academy of Natural Sciences of Philadelphia 4:200-202. PDF

Haldeman, S. S. 1849b. On several new Hymenoptera of the genera Ampulex, Sigalphus, Chelonus and Dorylus. Proceedings of the Academy of Natural Sciences of Philadelphia 4:203-204. PDF

Haldeman, S. S. 1852. Appendix C. - Insects. Pp. 366-378 in: Stansbury, H. 1852. An expedition to the Valley of the Great Salt Lake of Utah; including a description of its geography, natural history, and minerals, and an analysis of its waters. London: Sampson Low, Son & Co., 487 pp.

Hale, P.; Lamb, D. (eds.) 1997. Conservation outside nature reserves. Brisbane: Centre for Conservation Biology, University of Queensland, 540 pp.

Haliday, A. H. 1836. Descriptions, etc. of the Hymenoptera. Pp. 316-331 in: Curtis, J.; Haliday, A. H.; Walker, F. 1836. Descriptions, etc. of the insects collected by Captain P. P. King R. N., F. R. S., in the survey of the Straits of Magellan. Transactions of the Linnean Society of London 17:315-359.

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Hall, D. W.; Smith, I. C. 1952. Studies in Pharaoh's ant, Monomorium pharaonis (L.). (7) Thoracic structures, typical and atypical. Entomologist's Monthly Magazine 88:97-102.