|Scientific Name:||Osmia gallarum Spinola, 1808|
|Red List Category & Criteria:||Least Concern (Regional assessment) ver 3.1|
|Reviewer(s):||Michez, D., Kemp, J.R. & Nieto, A.|
European regional assessment: Least Concern (LC)
EU 27 regional assessment: Least Concern (LC)
Osmia gallarum is listed as Least Concern in view of its wide distribution and presumed large overall population.
|Range Description:||Osmia gallarum is present in most of central and southern Europe. This species also occurs in northern Africa and southwestern Asia (Scheuchl 1996, Banaszak and Romasenko 2001, Amiet et al. 2004).|
Native:Albania; Austria; Bulgaria; Croatia; France (France (mainland)); Germany; Greece (Greece (mainland)); Hungary; Italy (Italy (mainland)); Luxembourg; Macedonia, the former Yugoslav Republic of; Poland; Portugal (Portugal (mainland)); Romania; Russian Federation (European Russia, South European Russia); Slovakia; Slovenia; Spain (Spain (mainland)); Switzerland
|Population:||The population size and trends of this species are not known although due to the species' wide distribution and solitary behaviour, it is presumed to have a large population.|
|Current Population Trend:||Unknown|
|Habitat and Ecology:|
Osmia gallarum occurs in temperate grasslands and forests (or forest edges) and in Mediterranean-type shrublands. It nests in pre-existing cavities like insect burrows in dead wood and bore holes in wooden blocks, hollow stems and holes in pithy stems or cavities within abandoned galls. The cell partitions are made of chewed leaves. The nest plug consists of three to four partitions of leaf pulp separated by 0.5-1.0 mm from each other (Ferton 1920, Benoist 1931, Enslin 1933, Westrich 1989, Banaszak and Romasenko 2001). This species is oligolectic, in that it prefers to forage upon a narrow range of flowering plant species, specifically on Fabaceae (Westrich 1989, Amiet et al. 2004, unpublished data, A. Müller pers. comm. 2014).
|Use and Trade:||There is no current exploitation that could represent a threat to the species as a whole.|
|Major Threat(s):||The threats to this species are not known.|
The species is listed in the National Red Lists or Red Data Books of Switzerland (Vulnerable; Amiet 1994) and Germany (Vulnerable; Westrich et al. 2011). It is unknown whether it occurs within any protected areas. Further research should be conducted to determine the population size, trends and threats to the species.
|Citation:||Lhomme, P. 2014. Osmia gallarum. The IUCN Red List of Threatened Species 2014: e.T19198558A21155296.Downloaded on 21 November 2017.|
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