19198558-1

Osmia gallarum 

Scope: Europe
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Hymenoptera Megachilidae

Scientific Name: Osmia gallarum Spinola, 1808

Assessment Information [top]

Red List Category & Criteria: Least Concern (Regional assessment) ver 3.1
Year Published: 2014
Date Assessed: 2014-07-23
Assessor(s): Lhomme, P.
Reviewer(s): Michez, D., Kemp, J.R. & Nieto, A.
Justification:
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.

Geographic Range [top]

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).
Countries occurrence:
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
Additional data:
Range Map:19198558-1

Population [top]

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
Additional data:

Habitat and Ecology [top]

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to forage upon a narrow range of flowering plant species, specifically on Fabaceae (Westrich 1989, Amiet et al. 2004, unpublished data, A. Müller pers.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). 


Systems:Terrestrial

Use and Trade [top]

Use and Trade: There is no current exploitation that could represent a threat to the species as a whole.

Threats [top]

Major Threat(s): The threats to this species are not known.

Conservation Actions [top]

Conservation Actions:

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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