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Hylis simonae 

Scope: Global
Language: English
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Taxonomy [top]

Kingdom Phylum Class Order Family
Animalia Arthropoda Insecta Coleoptera Eucnemidae

Scientific Name: Hylis simonae (Olexa, 1970)

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2010
Date Assessed: 2009-06-05
Assessor(s): Nieto, A., Méndez, M., Schlaghamersky, J., Dodelin, B., & Campanaro, A.
Reviewer(s): Alexander, K. & Nieto, A.
Justification:

European regional assessment: listed as Near Threatened because although its population appears to be stable, its Area of Occupancy is probably not much greater than 2,000 km2, its distribution is rather fragmented, and the extent and quality of its habitat might decline in the near future causing a significant decline of this species.

EU 27 regional assessment: listed as Near Threatened because although its population appears to be stable, its Area of Occupancy is probably not much greater than 2,000 km2, its distribution is rather fragmented, and the extent and quality of its habitat might decline in the near future causing a significant decline of this species.


Geographic Range [top]

Range Description:This species is scattered in southern Europe from Spain to Bulgaria.

In the Czech Republic it occurs in the south-eastern tip bordering Slovakia and Austria. In Slovakia it occurs in the central part of the country. In Spain it is only present in the north (Recalde Irurzun 2008).
Countries occurrence:
Native:
Bulgaria; Czech Republic; France (France (mainland)); Italy (Italy (mainland)); Slovakia; Spain (Spain (mainland))
Additional data:
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:

There is little information available on the abundance of this species. Typically single records of individual beetles. Population probably stable.

In Hungary the species is known from only one locality in the central part of the country; the record is more than 70 years old. As the species is known from only one locality, no information is available from its population (O. Merkl pers. comm. 2009). In France and the Czech Republic it is rare. There are two localities known in Slovakia. In Spain it is rare with eight localities in the north.
Current Population Trend:Stable
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:This is an obligate saproxylic species. It lives in white-rotten interiors of lying dead but otherwise intact logs; in shady conditions. It has also been found in a regeneration area with dense regrowth of young trees; in high quality old growth forests with old trees, so good continuity of habitat. Beetles have been reported from a wide range of broad-leaved trees: Carpinus, Castaneus, Fagus, Fraxinus, Quercus and Tilia (Muona 1993).

In Hungary the species is known from only one locality; the record is very old, so no information is available about the habitat. However, the extant habitats around the locality are mature oak forests (O. Merkl pers. comm. 2009). It inhabits oak and ash (Lucht 1992).
Systems:Terrestrial

Use and Trade [top]

Use and Trade: Saproxylic Coleoptera tend to be popular with beetle collectors although trade is rarely an issue, the only exceptions being a few larger species of more dramatic form or colour.

Threats [top]

Major Threat(s):

The main overall threat is likely to be degradation or loss of habitat quality, involving structural changes in the tree populations arising from changing land use – affecting age structures and tree density. Exploitation from forestry is often a key immediate issue, but equally damaging can be long-term changes towards canopy closure and loss of veteran trees. Fragmentation and increasing isolation of beetle populations are also key factors.

Conservation Actions [top]

Conservation Actions: No specific conservation measures are in place. It occurs in some protected areas (e.g. Hungary).

Citation: Nieto, A., Méndez, M., Schlaghamersky, J., Dodelin, B., & Campanaro, A. 2010. Hylis simonae. The IUCN Red List of Threatened Species 2010: e.T157502A5083499. . Downloaded on 17 January 2018.
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