Leishmania mexicana is a species of obligate intracellular parasites of the protozoan genus Leishmania. In Mexico and Central America, this parasite is the primary cause of cutaneous leishmaniasis. From Wikipedia
Different Strain of Leishmaniasis Parasite Identified in Texas Residents who Did Not Travel, Indicating Local Transmission; Dogs Imported Without Proper Screening Highlighted as Potential Parasite Carriers.