Species

BackLeptaxis terceirana Morelet, 1860

Leptaxis terceirana Morelet, 1860

  • Kingdom: Animalia
  • Phylum:
  • Class: Mollusca
  • Order: Gastropoda
  • Family: Hygromiidae
LC Least Concern
IUCN Red List Status:

Countries of Occurrence:
Portugal - Azores

Archipelago(s):
Azores

Assessor/s:
Frias Martins, A.

Reviewer/s:
Cuttelod, A. & Neubert, E.

Contributor/s:

Facilitators / Compilers/s:


Assessment Rationale:

This species is endemic to Terceira and Graciosa island, Azores (Extent of occurrence = 3000 km2). It is adapted to a wide range of habitats and faces no major threats, therefore is considered as Least Concern (LC).

Geographic Range:

This species is found on Terceira island (type locality) and Graciosa island (Martins et al.1989), Azores.

Regions:
Portugal - Azores
Extent of Occurrence (EOO):
3000 (km2)
Area of Occupancy (AOO):
(km2)
Elevation Lower Limit:
(m)
Elevation Upper Limit:
(m)
Biogeographic Realms:
Palearctic
Presence:
Extant
Origin:
Endemic Azores
Seasonality:
Resident

Population:

Morelet (1860:159) states that the species is very abundant, although Backhuys (1975: 238) failed to collect it; it has been collected in Fonte Dionísio (N 38º 43.680'; W 027º 07.331'; 350 m) and Pico da Serreta (N 38º 45'; W 027º 21'; 200 m) on  Terceira island. On Graciosa island it is has been reported from Pedras Brancas (N 39º 02.420'; W 028º 00.030'), Feteira (N 39º 02.440'; W 028º 00.480'); Ribeira da Luz (N 39º 01.190'; W 027º 59.060') and Pico Timão (N 39º 02.250'; W 028º 00.650) (Martins et al. 1989).

Habitat and Ecology

On Terceira island, Leptaxis terceirana lives in secondarily forested areas and in disturbed environments such as the side of the road under hydrangeas, stone walls or amidst the herbaceous vegetation. On Graciosa, it was found in secondary forest of Persea indica, Pittosporum undulatum and Myrica faya, with undergrowth of Hedychium gardneranum.

Major Threat(s):

Due to its wide range of habitats, no threats are foreseen.

Conservation Actions

No conservation measures are needed.