Lariscus obscurus (Miller, 1903)
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publication ID |
https://doi.org/ 10.5281/zenodo.6840226 |
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DOI |
https://doi.org/10.5281/zenodo.6834166 |
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persistent identifier |
https://treatment.plazi.org/id/064D0660-FFDB-ED26-FA1E-FA5CF697FCAE |
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treatment provided by |
Diego |
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scientific name |
Lariscus obscurus |
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Mentawai Three-striped Squirrel
French: Ecureuil obscur / German: Mentawi-Dreistreifenhérnchen / Spanish: Ardila terrestre de Mentawai
Taxonomy. Funambulus obscurus Miller, 1903 ,
“South Pagai I, Sumatra,”
Mentawai
Islands, Indonesia.
Three subspecies are recognized.
Subspecies and Distribution.
L.o.obscurusMiller,1903—SouthPagaiI(offWSumatra).
L.o.auroreusSody,1949—NorthPagaiI(offWSumatra).
L. o. siberu Chasen & Kloss, 1928 — Siberut
I (off W Sumatra).
The species also occurs in Sipora I (off W Sumatra) but the collected specimens were identified only to species level. View Figure
Descriptive notes. Head-body mean 201 mm (males) and 202 mm (females), tail mean 88 mm (males) and 86 mm (females). No specific data are available for body weight. The Mentawai Three-striped Squirrel can be distinguished from the other Lariscus species by its dark dorsum with faint longitudinalstripes. Venteris dark gray and lacks any buffy coloration. Some individuals show a pale silvery fur patch in center of venter. Muzzle is also particularly long. Subspecies auroreus has a less yellowish and more reddish dorsum. Subspecies siberu has finely grizzled black-and-white ocherous fur on venter, a slightly grayer muzzle and cheeks, and a tail slightly darker than dorsum.
Habitat. Scrublands, secondary forests and forest edges. The Mentawai Three-striped Squirrelis able to also tolerate human disturbance.
Food and Feeding. This species feeds on seeds, fallen fruits and arthropods. Stomach contents of three individuals contained approximately 80% vegetable matter, mostly fruits and seeds, and ¢.20% animal matter, mostly arthropods.
Breeding. There is no information available for this species.
Activity patterns. The Mentawai Three-striped Squirrel is diurnal and terrestrial, and based on vocalizations is most active at morning and mid-afternoon. Nests are built in burrows or fallen trees.
Movements, Home range and Social organization. There is no information available for this species.
Status and Conservation. Classified as Near Threatened on The [UCN Red List. The Mentawai Three-striped Squirrel is probably abundantin Siberut, but is threatened by habitat degradation.It is protected in Indonesia and probably occurs in Siberut National Park.
Bibliography. Aplin & Lunde (2008d), Thorington et al. (2012), Whitten (1981).
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
