Leishmania arabica n. sp., found in the rodent Psammomys obesus in the Eastern Province of Saudi Arabia, is described. This parasite, which has been found in a feral dog in the same area, is distinguished from the common species of the Eastern Province, L. major zymodeme LON-4, on the basis of its very distinctive isoenzyme profile and kinetoplast DNA. It is morphologically indistinguishable from L. major
2004