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GENUS   Osmia

Author: Panzer, 1806

Type species: Apis bicornis Linnaeus, 1758 = Apis rufa Linnaeus, 1758, by designation of Latreille, 1810: 439.
Subgenera: Allosmia Tkalcu, 1974; Erythrosmia Schmiedeknecht, 1885; Helicosmia Thomson, 1872; Hemiosmia Tkalcu, 1975; Hoplosmia; Melanosmia Schmiedeknecht, 1885; Metallinella Tkalcu, 1966; Nasutosmia Griswold and Michener, 1998; Neosmia Tkalcu, 1974; Osmia s.str. Panzer, 1806; Pyrosmia Tkalcu˚, 1975; Tergosmia Warncke, 1988.
Synonyms: Amblys Klug 1807, Gnathosmia Robertson, 1903;  Nothosmia Ashmead, 1899; Centrosmia Robertson, 1903; Leucosmia Robertson, 1903; Xanthosmia Robertson, 1903; Monilosmia Robertson, 1903; Chenosmia Sinha, 1958.
Clade: Anthophila
Family: Megachilidae
SubF: Megachilinae
Tribe: Osmiini
Estimated min and max body length from the genus.
Countries with known records of the genus (based on Nieto et al. 2014).
Estimated difficulty to accurately identify a specimen as belonging to this genus.
Distinctive traits
  • 2 submarginal cells
  • ventral scopa in females
  • arolium present
  • very short (point-like) parapsidal lines
Pictures of distinctive traits.
Morphologically close genera and how to distinguish them
  • Osmia - Hoplitis
Osmia species have very short parapsidal lines.
Hoplitis species have very long parapsidal lines, a strongly carinate pronotal lobe.
  • Osmia - Haetosmia
Osmia species have no elargement of the basitarsus of the anterior legs.
Haetosmia species have a strongly carinate pronotal lobe and a wide basitarsus on anterior legs.
  • Osmia - Chelostoma & Hofferia
Osmia species have long hairs at the apex of the labrum. Scutellum often shorter than the ITD.
Chelostoma & Hofferia species have no long hairs at the apex of the labrum. Scutellum as long or longer than the ITD.
  • Osmia - Heriades & Stenoheriades
Osmia species don't have a transverse carina on the T1.
Heriades & Stenoheriades species do have a transverse carina on the T1.
  • Osmia - Protosmia
Osmia species have a vestigial propodeal triangle and a stout body-shape.
Protosmia species have a marked propodeal triangle and a slender body-shape.
General comments on Osmia species identification
Species identification criteria are numerous. They include hairs colour and cuticle hue, and punctation and shapes of various body parts(mandible, clypeus, vertex, mesonotum, propodeal enclosure, tergites, tibial spurs).
Male identification often requires visibility of the last tergites and sternites as well as of genitalia.
SPECIES IDENTIFICATION TOOL
Sorry, but the species identification tool is not yet available for Osmia. 
Please check the reference(s) below for traditional keys.

List of the 105 Osmia species found in Europe (IUCN 2014 + Rasmont et al 2017):
Osmia (Allosmia) bischoffi Atanassov, 1938
Osmia (Allosmia) melanura Morawitz, 1872
Osmia (Allosmia) nuda Friese, 1899
Osmia (Allosmia) rufohirta Latreille, 1811
Osmia (Allosmia) rutila Erichson, 1835
Osmia (Allosmia) sybarita Smith, 1853
Osmia (Erythrosmia) andrenoides Spinola, 1808
Osmia (Erythrosmia) erythrogastra Ferton, 1905
Osmia (Helicosmia) aeruginosa Warncke, 1988
Osmia (Helicosmia) alfkenii Ducke, 1900
Osmia (Helicosmia) aurulenta Panzer, 1799
Osmia (Helicosmia) breviata Warncke, 1988
Osmia (Helicosmia) caerulescens (L., 1758)
Osmia (Helicosmia) cinctella Dours, 1873
Osmia (Helicosmia) clypearis Morawitz, 1872
Osmia (Helicosmia) cyanescens Morawitz, 1875
Osmia (Helicosmia) diabolae Tkalců, 1978
Osmia (Helicosmia) dimidiata Morawitz, 1871
Osmia (Helicosmia) dives Mocsáry, 1877
Osmia (Helicosmia) dusmeti van der Zanden, 1998
Osmia (Helicosmia) frieseana Ducke, 1899
Osmia (Helicosmia) heteracantha Pérez, 1895
Osmia (Helicosmia) labialis Pérez, 1879
Osmia (Helicosmia) latreillei (Spinola, 1806)
Osmia (Helicosmia) leaiana (Kirby, 1802)
Osmia (Helicosmia) madeirensis van der Zanden, 1991
Osmia (Helicosmia) melanogaster Spinola, 1808
Osmia (Helicosmia) mirhiji Mavromoustakis, 1957
Osmia (Helicosmia) nasoproducta Ferton, 1909
Osmia (Helicosmia) niveata Fabricius, 1804
Osmia (Helicosmia) niveocincta Pérez, 1897
Osmia (Helicosmia) notata (Fabricius, 1804)
Osmia (Helicosmia) palmae Tkalců, 2001
Osmia (Helicosmia) signata Erichson, 1835
Osmia (Helicosmia) subcornuta Morawitz, 1875
Osmia (Helicosmia) tunensis (Fabricius, 1787)
Osmia (Hemiosmia) argyropyga Pérez, 1879
Osmia (Hemiosmia) balearica (Schmiedeknecht, 1885)
Osmia (Hemiosmia) iberica van der Zanden, 1987
Osmia (Hemiosmia) uncicornis Pérez, 1895
Osmia (Hoplosmia) anceyi Pérez, 1879
Osmia (Hoplosmia) bidentata Morawitz, 1876
Osmia (Hoplosmia) clavicula Gerstaecker, 1869
Osmia (Hoplosmia) croatica Friese, 1893
Osmia (Hoplosmia) distinguenda (Tkalců, 1974)
Osmia (Hoplosmia) elegans (Tkalců, 1992)
Osmia (Hoplosmia) fallax Pérez, 1895
Osmia (Hoplosmia) larochei Tkalců, 1993
Osmia (Hoplosmia) ligurica Morawitz, 1868
Osmia (Hoplosmia) olgae (Tkalců, 1978)
Osmia (Hoplosmia) padri (Tkalců, 1974)
Osmia (Hoplosmia) picena (Tkalců, 1999)
Osmia (Hoplosmia) pinguis Pérez, 1895
Osmia (Hoplosmia) scutellaris Morawitz, 1868
Osmia (Hoplosmia) spinigera Latreille, 1811
Osmia (Hoplosmia) spinulosa (Kirby, 1802)



Osmia (Melanosmia) alticola Benoist, 1922
Osmia (Melanosmia) bulgarica Friese, 1922
Osmia (Melanosmia) disjuncta Tkalců, 1995
Osmia (Melanosmia) inermis (Zetterstedt, 1838)
Osmia (Melanosmia) laticeps Thompson, 1872
Osmia (Melanosmia) maritima Friese, 1885
Osmia (Melanosmia) nigriventris (Zetterstedt, 1838)
Osmia (Melanosmia) parietina Curtis, 1828
Osmia (Melanosmia) pilicornis Smith, 1846
Osmia (Melanosmia) steinmanni Müller, 2002
Osmia (Melanosmia) svenssoni Tkalců, 1983
Osmia (Melanosmia) uncinata Gerstaecker, 1869
Osmia (Melanosmia) xanthomelana Kirby, 1802
Osmia (Metallinella) brevicornis (Fabricius, 1798)
Osmia (Nasutosmia) nasuta (Friese, 1899)
Osmia (Neosmia) bicolor (Schrank, 1781)
Osmia (Neosmia) cinnabarina Pérez, 1895
Osmia (Neosmia) jason Benoist, 1929
Osmia (Osmia) apicata Smith, 1853
Osmia (Osmia) ariadne Peters, 1978
Osmia (Osmia) bicornis (L., 1758)
Osmia (Osmia) cerinthidis Morawitz, 1876
Osmia (Osmia) cornuta (Latreille, 1805)
Osmia (Osmia) emarginata Lepeletier, 1841
Osmia (Osmia) kohlii Ducke, 1899
Osmia (Osmia) mustelina Gerstaecker, 1869
Osmia (Osmia) nigrohirta Friese, 1899
Osmia (Osmia) tricornis Latreille, 1811
Osmia (Pyrosmia) amathusica Mavromoustakis, 1937
Osmia (Pyrosmia) cephalotes Morawitz, 1870
Osmia (Pyrosmia) cyanoxantha Pérez, 1879
Osmia (Pyrosmia) dilaticornis Morawitz, 1875
Osmia (Pyrosmia) ferruginea Latreille, 1811
Osmia (Pyrosmia) forticornis van der Zanden, 1989
Osmia (Pyrosmia) gallarum Spinola, 1808
Osmia (Pyrosmia) hellados van der Zanden, 1984
Osmia (Pyrosmia) laticauda Stanek, 1969
Osmia (Pyrosmia) lobata Friese, 1899
Osmia (Pyrosmia) moreensis van der Zanden, 1984
Osmia (Pyrosmia) nana Morawitz, 1873
Osmia (Pyrosmia) saxicola Ducke, 1899
Osmia (Pyrosmia) submicans Morawitz, 1870
Osmia (Pyrosmia) teunisseni van der Zanden, 1981
Osmia (Pyrosmia) versicolor Latreille, 1811
Osmia (Pyrosmia) viridana Morawitz, 1874
Osmia (Tergosmia) lunata Benoist, 1928
Osmia (Tergosmia) rhodoensis (van der Zanden, 1983)
Osmia (Tergosmia) tergestensis Ducke, 1897
References with identification keys for some of the species:
  • Amiet, F., Herrmann, M., Müller, A., & Neumeyer, R. (2004). Apidae 4: Anthidium, Chelostoma, Coelioxys, Dioxys, Heriades, Lithurgus, Megachile, Osmia, Stelis. Fauna Helvetica 9. Apidae 4: Anthidium, Chelostoma, Coelioxys, Dioxys, Heriades, Lithurgus, Megachile, Osmia, Stelis. (Fauna Helvetica 9). Centre suisse de cartographie de la faune (CSCF), Neuchâtel 273pp.
  • Falk S.J. (2015) Field Guide to the Bees of Great Britain and Ireland. Bloomsbury wildlife guides. 432 p.
Online resources:
Palearctic Osmiine Bees (Palearctic)
Atlas hymenoptera (Belgium)
BWARS (UK) 
Exotic Bee ID (World)
Discover Life (World)
WestPalBees (West Palearctic)

Page contributors:
  • Adrien Perrard (Dec. 2019)

You noticed a mistake? You have a suggestion to improve this page?
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References used to write this page:
  • Michener, C.D. 2007. The Bees of the World, 2nd Edition. The John Hopkins University Press, Baltimore.
  • Michez D., Rasmont P., Terzo, M., Vereecken, N. 2019. Abeilles d'Europes. Hymenoptères d'Europes, Volume 1. N.A.P. Editions.
  • Nieto, A., Roberts, S. P., Kemp, J., Rasmont, P., Kuhlmann, M., García Criado, M., ... & Michez, D. 2014. European red list of bees. Luxembourg: Publication Office of the European Union, 98.
  •  Rasmont, P., Devalez, Jelle, Pauly, A., Michez, D. & Radchenko, V.G. 2017. Addition to the checklist of IUCN European wild bees (Hymenoptera: Apoidea). Annales de la Société entomologique de France 53: 17-32.

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