Juliomys pictipes (Osgood, 1933)
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publication ID |
https://doi.org/ 10.5281/zenodo.6707142 |
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DOI |
https://doi.org/10.5281/zenodo.6728038 |
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persistent identifier |
https://treatment.plazi.org/id/03F06D13-FF2D-20E3-08A4-1F340BCDF9D3 |
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treatment provided by |
Carolina |
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scientific name |
Juliomys pictipes |
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356. View Plate 20: Cricetidae
Small Red-nosed Tree Mouse
French: Juliomys d'Osgood / German: Kleine Juliomaus / Spanish: Raton arboricola de hocico rojo pequeno
Other common names: Lesser Wilfred's Mouse
Taxonomy. Thomasomys pictipes Osgood, 1933 , “Caraguatay, Rio Parana, 100 miles [= 161 km] south of Rio Iguassu, Misiones, Argentina.” Clarified by U. F. J. Pardinas and colleagues in 2007 to “Puerto Carataguay, Misiones, Argentina.”
Juliomys pictipes is the type species of the genus. Monotypic.
Distribution. Atlantic Forest of SE & S Brazil, E Paraguay, and NE Argentina . View Figure
Descriptive notes. Head-body 90-110 mm, tail 82-112 mm, ear 14-18 mm, hindfoot 18-20 mm; weight 14-29 g. The Small Red-nosed Tree Mouse is the largest species ofJuliomys, with tail slightly shorter than head-body length. Body color is pale orange-brown above and white to creamwhite below, tail is markedly bicolored (except for dusky terminal end), and hindfeet are ocherous tawny above, with whitish toes. Chromosomal complement is 2n = 36, FN = 34.
Habitat. Typically lower to middle strata in mature and secondary Atlantic Forest, particularly areas of dense underbrush of bamboos, ferns, and low lianas.
Food and Feeding. The Small Red-nosed Tree Mouse eats fruit pulp and small seeds.
Breeding. One pregnant Small Red-nosed Tree Mouse was caught in December in Paraguay and another in August in Argentina ; both had three embryos.
Activity patterns. The Small Red-nosed Tree Mouse is nocturnal and arboreal.
Movements, Home range and Social organization. No information.
Status and Conservation. Classified as Least Concern on The IUCN Red List. The Small Red-nosed Tree Mouse has a wide distribution and presumably large overall population, and it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category. It is relatively common in some forested areas of south-eastern Brazil.
Bibliography. Cerboncini et al. (2014), Christoff, Vieira et al. (2016), Costa et al. (2007), Geise & Pardinas (2008), Gonzalez (2000), Massoia (1993), Massoia et al. (1991), Osgood (1933b), Pardinas, Teta, D'Elia, Cirignoli & Ortiz (2007), Pardinas, Teta, D'Elia & Galliari (2008), Pardini & Umetsu (2006), Pavan & Leite (2011), Pine (1980), de la Sancha et al. (2009), Sarti (2016), Vieira & Monteiro-Filho (2003).
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.
