Large vesper mouse
| Large vesper mouse | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Mammalia |
| Order: | Rodentia |
| Family: | Cricetidae |
| Subfamily: | Sigmodontinae |
| Genus: | Calomys |
| Species: | C. callosus |
| Binomial name | |
| Calomys callosus Rengger, 1830 | |
The large vesper mouse (Calomys callosus) is a South American rodent species of the family Cricetidae.
It is found in Argentina, Bolivia, Brazil and Paraguay.
Its karyotype has 2n = 50 and FN = 66. It was formerly synonymized with C. expulsus, but the latter has 2n = 66 and FN = 68.
It is particularly notable as the vector of Bolivian hemorrhagic fever.