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 Haitlinger R., 1999: Sennertia herminae sp. n. (Acari, Astigmata: Chaetodactylidae) a phoretic mite associated with Xylocopa sp. (Hymenoptera: Anthophoridae) from Madagascar. 3 pp. [HYM1455] Folia Entomologica Hungarica (S.N.) 60: 57-59.

 Haitlinger R., 2000: Sennertia aldeodadi sp. n. (Acari: Astigmata, Chaetodactylidae), a mite associated with undetermined Anthophoridae (Hymenoptera) from Mauritius. 4 pp. [HYM4563] Folia Entomologica Hungarica (S.N.) 61: 17-20.

 Haldane J. B. S., Spurway H., 1954: A statistical analysis of communication in „Apis mellifera“ and a comparison with communication in other animals. 37 pp. 

 Hall D. W., Smith I. C., 1951: Studies in pharaoh’s ant, Monomorium pharaonis (L.) (6) external characters size variation and cephalic ratios. 5 pp. 

 Hall D. W., Smith I. C., 1952: Studies in pharaoh’s ant, Monomorium pharaonis (L.) (7) thoracic structures, typical and atypical. 5 pp. 

 Hallett H. M., 1956: Hymenoptera aculeata in Monmouthshire. 4 pp. 

 Hallmen , Beier , 1991: Ein Nistkarsen für die Hornisse Vespa crabro L. zum Einsatz im Naturschutz und in der praktischen Naturerziehung (Hymenoptera: Vespidae). 11 pp. 

 Hallmen M., Beier W., 1989: Einfache Versuche mit Osmia rufa L. Als Motivation zum Artenschutz. (Hymenoptera: Megachilidae). 9 pp. Mitteilungen des Internationalen Entomologischen Vereins 14(1-2): 39-47.

 Hamanishi Y., 1996: New Prey Record of Symmorphus foveolatus (Hymenoptera, Eumenidae) in Japan. 2 pp. 

 Hamilton P. A., 1974: The biology of Monoctonus pseudoplatani, Trioxys cirsii and Dyscritulus planiceps, with notes on their effectiveness as parasites of the Sycamore Aphid, Drepanosiphum platanoides. 20 pp. (in French). [52861] Annales de la Societe entomologique de France (N.S.) 10(4): 821-845.

 Hamm A. H., 1952: Obituary notice. 2 pp. 

 Hammer K., 1930: Über Mutilliden mit besonderer Berücksichtigung die in der Wiener Umgebung bisher aufgefundenen Arten. 9 pp. 

 Hammond H. E., Smith K. G. V., 1960: On some parasitic Diptera and Hymenoptera bred from Lepidopterous Hosts. Part IV. Miscellaneous records of Braconidae, Ichneumonidae and Eulophidae (Hym.). 5 pp. [M42] 

 Hammons R. O., Krombein K. V., Leuck D. B., 1963: Some bees (Apoidea) associated with peanut flowering. 1 pp. 

 Hampel H., 1964: Der Einfluss des Biotops auf den Waermehaushalt bei Formica rufa. 14 pp. 

 Hanan A., He X. Z., Shakeel M., Khan J., Wang Q., 2015: Does certain host and food deprivation period affect host feeding and oviposition behaviour of Eretmocerus warrae (Hymenoptera: Aphelinidae). 9 pp. Journal of the Entomological Research Society 17(1): 51-59.

 Handlirsch A., 1886: Die Metamorphose zweier Arten der Gattung Anacharis Dalm. 4 pp. [M47] 

 Handlirsch A., 1888: Die Bienengattung Nomioides Schenck. 10 pp. [M47] 

 Handlirsch A., 1893: Neue Arten der Gattung Gorytes Latr. (Hymenopteren). 7 pp. 

 Handlirsch A., 1895: Neue grabwespen aus der sammlung des Leidener Museums. 4 pp. 

 Handlirsch A., 1898: Ein neuer Nysson aus Tirol. 1 pp. 

 Handlirsch A., 1898: Ueber die von Dr. O. Schmiedeknecht in Nordafrika gesammelten Nyssoniden. 6 pp. 

 Handlirsch A., 1900: Ein neuer aethiopischer Nysson. 2 pp. 

 Handlirsch A., 1900: Ein neuer Nysson aus Nordafrika. 2 pp. 

 Handlirsch A., 1900: Neue Arten der Hymenopteren-Gattung Stizus, gesammelt von Dr. H. Brauns in Südafrika. 5 pp. 

 Handlirsch A., 1900: Stizus Schmiedeknechtii n. sp., eine neue Grabwespe. 1 pp. 

 Handlirsch A., 1901: Ein neuer Nysson aus Oran. 1 pp. 

 Handlirsch A., 1901: Neue Arten der Grabwespengattung Stizus. 5 pp. 

 Handlirsch A., 1901: Vier neue Arten der Hymenopteren-Gattung Gorytes. 6 pp. 

 Handlirsch A., 1901: Zur Kenntniss der afrikanischen Arten des Grabwespen-Genus Gorytes. 4 pp. 

 Hansen T. E., Viik M. O., 1981: Sezonnye izmenenija soderžanija rezervnych i cholodozaščitnych veščestv u Formica aquilonia (Hymenoptera, Formicidae). 8 pp. 

 Hansen T. E., Viik M. O., Viik T. F., 1982: Biochemical changes and some physical parameters characteristic of the pupae of Fromica aquilonia Yarr. (Hymenoptera, Formicidae) during the summer. 8 pp. (in Russian). Entomologitsheskoe obozrenie 61(4): 738-745.

 Hanson P. E., Miller J. C., 1988: Notes on the biology of Caenocephus aldrichi Bradley (Hymenoptera: Cephidae). 3 pp. Proc. Entomol. Soc. Wash. 90(2): 204-206.

 Hansson C., 1983: Taxonomic notes on the genus Achrysocharoides Girault, 1913 (Hymenoptera: Eulophidae), with a redescription and description of a new species. 11 pp. 

 Hansson C., 1985: The entedontine genera Achrysocharoides Girault, Chrysocharis Förster and Kratoysma Bouček (Hymenoptera: Eulophidae) in the Oriental region. 10 pp. 

 Hansson C., 1986: A revision of the nearctic of the genus Zaommomyia Ashmead (Hymenoptera, Eulophidae). 9 pp. Proc. Entomol. Soc. Wash. 88(2): 244-252.

 Hansson C., 1988: A revision of the genus Mestocharis and a review of the genus Grahamia (Hymenoptera, Eulophidae). 9 pp. Proc. Entomol. Soc. Wash. 90(1): 28-36.

 Hara H., 2011: A new slug sawfly, Caliroa nara sp. nov. (Hymenoptera, Tenthredinidae), infesting oak trees, with taxonomic notes on C. angustata and C. annulipes. 15 pp. (in English). Japanese Journal of systematic Entomology (N.S.) 17(2): 369-383.

 Hara H., 2012: Heterarthrus fasciatus (Hymenoptera, Tenthredinidae), a leaf-mining sawfly of Populus spp. in Northeast Asia. 10 pp. Japanese Journal of Systematic Entomology 18(2): 405-414.

 Hara H., 2014: A pine sawfly, Microdiprion hakusanus, infestig Pinus spp. in Japan (Hymenoptera: Diprionidae). 10 pp. Japanese Journal of Systematic Entomology 20(2): 225-234.

 Hara H., 2016: Larva of Megabeleses crassitarsis (Hymenoptera: Tenthredinidae) infesting Magnolia. 5 pp. Japanese Journal of Systematic Entomology 22(2): 149-153.

 Hara H., Ibuki S., Naito T., 2015: Larva and life history of Beleses satonis (Hymenoptera, Tenthredinidae) infesting hardy kiwi. 4 pp. Japanese Journal of Systematic Entomology 21(2): 287-290.

 Hara H., Kojima H., Shinohara A., 2007: Arge solowiyofka (Hymenoptera, Argidae) feeding on Betula ermanii, newly recorded from Japan. 5 pp. Japanese Journal of systematic Entomology (N.S.) 13(1): 85-89.

 Hara H., Shinohara A., 2014: A Palaearctic betulafeeding sawfly, Arge dimidiata (Hymenoptera: Argidae), found in Japan. 10 pp. Japanese Journal of Systematic Entomology 20(2): 291-300.

 Hara H., Shinohara S., 2000: A systematic study on the sawfly genus Cimbex of east Asia (Hymenoptera, Cymbicidae). 26 pp. Japanese Journal of systematic Entomology (N.S.) 6(2): 199-224.

 Hara H., Togashi I., 1998: The larva and cocoon of Conaspidia murotai (Hymenoptera, Tenhredinidae), with notes on its biology. 6 pp. Japanese Journal of systematic Entomology (N.S.) 4(1): 25-30.

 Harada Y., 2005: Diel and seasonal patterns of foraging activity in the arboreal ant Crematogaster matsumurai Forel. 6 pp. Entomological Science 8(2): 167-172.

 Haragsim O., Pospíšil J., 1969: Photopositive response of field-bees and drones in apis Mellifera L. to monochromatic lights. 8 pp. Acta entomologica Bohemoslovaca 66: 1-8.

 Harbo J. R., 1988: Effect of comb size on population growth of honey bee (Hymenoptera: Apidae) colonies. 5 pp.