- Halada, J. and Halada, M. 1992
- Žahadloví blanokřídlí (Hymenoptera - Aculeata) SPR Vyšenské kopce u Českého Krumlova. [Aculeate Hymenoptera (Hymenoptera - Aculeata) of the State Nature Reserve Vyšenské kopce near Český Krumlov). ých Budějovicích, Přirodní Vědly . Sborník Jihočeského Muzea v Česk 32 : 59-68.
- Hansen, L.O., Lønnve, O.J. and Ødegaard, F. 2010
- Hymenoptera. In: Kålås, J.A, Viken, Ȧ., Henriksen, S. and Skjelseth, S. (eds.) (eds), The 2010 Norwegian Red List for Species, pp. 331-346. Norwegian Biodiversity Information Center, Trondheim, Norway.
- Hartmann P., Arens W. 1998
- Beitrag zur Kenntnis der Biologie und Verbreitung der Megachile diabolica Friese 1898 mit Erstbeschreibung des Männchens. Linzer biologische Beiträge. 30:349–364.
- Hartmann, P. and Arens, W. 1998
- Beitrag zur kenntnis der biologie und verbreitung der Megachile diabolica Friese 1898 mit erstbeschreibung des männchens. Linzer Biologische Beiträge 30(1): 394-364.
- Hazir C, Keskin N, Scheuchl E 2014
- Faunistic, geographical and biological contributions to the bee genus Andrena (Hymenoptera, Andrenidae, Andreninae) from Turkey. Journal of Hymenoptera Research 38: 59-133.
- Hazir C, Keskin N, Scheuchl E. 2014
- Faunistic, geographical and biological contributions to the bee genus Andrena (Hymenoptera, Andrenidae, Andreninae) from Turkey. Journal of Hymenoptera Research. 38:59–133.
- Hazir, C., Keskin, N. & Scheuchl, E. 2014
- Faunistic, geographical and biological contributions to the bee genus Andrena (Hymenoptera, Andrenidae, Andreninae) from Turkey. Journal of Hymenoptera Research 38, 59–133
- Hazir, C., Keskin, N. and Scheuchl, E. 2014
- Faunistic, geographical and biological contributions to the bee genus Andrena (Hymenoptera, Andrenidae, Andreninae) from Turkey. Journal of Hymenoptera Research 38: 59–133.
- Hazir, C., Keskin, N., Scheuchl, E. 2014
- Faunistic, geographical and biological contributions to the bee genus Andrena (Hymenoptera, Andrenidae, Andreninae) from Turkey. Journal of Hymenoptera Research 38: 59-133.
- Hellrigl, K. 2003
- der Ameisen und Wildbienen Sudtirols (Hymenoptera: Formicidae et Apoidea). Gredleriana 3: 143-208.
- Hellrigl, K. 2006
- Synopsis der Wildbienen Südtirols: (Hymenoptera: Apidae). Forest observer 2/3: 421-472.
- Heneberg, P. 2010
- Analýza vlivu managementu břehule říční na populace blanokřídlého hmyzu skupiny Apocrita . Calla, České Budějovice.
- Heneberg, P., Bogusch, P., and Řehounek, J. 2013
- Sandpits provide critical refuge for bees and wasps (Hymenoptera: Apocrita). Journal of Insect Conservation 17: 473-490.
- Herrera, J. 1988
- Pollination relationships in southern Spanish Mediterranean shrublands. Journal of Ecology 76: 274-287.
- Herrero Hernández, J. and Pérez-Iñigo, M. 1982
- Las abejas de España: El género Anthophora (Hymn. Apoidea). Claves para la identification de la fauna española, 33..
- Herrero Hernández, J. and Pérez-Iñigo, M. 1985
- Las especies españolas del género Anthophora (Hym., Apoidea). Eos 61: 107-145.
- Herrmann, M. 2005
- Neue und seltene Stechimmen aus Deutschland (Hymenoptera: Apidae, Sphecidae, Vespidae). Mitteilungen des entomologischen Veriens Stuttgart 40: 3-8.
- Herrmann, M. 1997
- Andrena synadelpha Perk. neu für Baden-Württemberg (Hym., Apidae). Mitteilungen des Entomologischen Vereins 32: 38.
- Herrmann, M. 2010
- Die Karst-Mauerbiene (Osmia labialis) in Deutschland (Hymenoptera, Apidae). Bembix 30: 27-31.
- Hohmann, H. 1984
- Bees and wasps on Eivissa: faunistic notes on Hymenoptera Aculeata. In: Kuhbier H., Alcover J.A. & Guerau d’Arellano Tur C. (ed.), Biogeography and Ecology of the Pityusic Islands - Monographiea Biologicae 52, pp. 303-342..
- Hohmann, H., La Roche, F., Ortega, G. & Barquin, J. 1993
- Bienen, Wespen und Ameisen der Kanarischen Inseln. Veroffentlichungen aus dem Ubersee-Museum Bremen, 12, 1–465, 493–712.
- Hohmann, H., Laroche, F., Ortega, G. and Barquin, J. 1993
- Bienen, Wespen und Ameisen der Kanarischen Inseln (Insecta: Hymenoptera: Aculeata). Veröffentlichungen Übersee-Museum Bremen (Naturwissenschaftlichen), Bremen.
- Hopfenmüller, S. 2017
- Zur Verbreitung von Panurginus montanus Giraud, 1861 und Panurginus herzi Morawitz, 1892 in den deutschen Alpen Ampulex 9 pp 22-26
- Horsley, C., Whitehouse, A. and Falk, S. 2013
- A report on the status of threatened bees in the region with recommendations for conservation action. South West Bees Project. Buglife The Invertebrate Conservation Trust.
- Howe, M.A. 2002
- A Review of the Coastal Soft Cliff Resource in Wales, with particular reference to its Importance for Invertebrates. Countryside Council for Wales Natural Science Report.
- Hurd, P.D. and Michener, C.D. 1955
- The megachiline bees of California. Bulletin of the California Insect Survey 3: 1-247.
- Hvir, V. I. 2013
- Prospects for studying mitochondrial DNA of bees of the Belarus. Proceedings of the Belarusian State University 8(1): 193-195.