Bitis xeropaga, commonly known as the desert mountain adderMallow D, Ludwig D, Nilson G. 2003. True Vipers: Natural History and Toxinology of Old World Vipers. Malabar, Florida: Krieger Publishing Company. 359 pp. .Spawls S, Branch B. 1995. The Dangerous Snakes of Africa. Dubai: Ralph Curtis Books. Oriental Press. 192 pp. . or Lüderitz dwarf viper,Mehrtens JM. 1987. Living Snakes of the World in Color. New York: Sterling Publishers. 480 pp. . is a viper species found in southern Namibia and northwestern Cape Province in South Africa. Like all other vipers, it is venomous. No subspecies are currently recognized.
Description Adults average total length (body + tail), with a maximum total length of for a female.
Geographic range Northwestern Cape Province in South Africa and the arid mountains of the lower Orange River basin, north into southern Namibia and Great Namaqualand as far as Aus is the range for this snake.
The type locality given is "Dreigratberg on north bank of Orange River, Lüderitz district, South West Africa [Namibia] (16°52' E, 28°05' S, alt. about 300 m [980 ft])".
References
Further reading
Branch, Bill. 2004. Field Guide to Snakes and Other Reptiles of Southern Africa. Third Revised edition, Second impression. Sanibel Island, Florida: Ralph Curtis Books. 399 pp. . (Bitis xeropaga, p. 117 + Plate 13). Haacke WD. "Description of a new adder (Viperidae, Reptilia) from Southern Africa, with a discussion of related forms." Cimbebasia, Series A 4 (5): 115–128. (Bitis xeropaga, new species).