an outbreak of american cutaneous leishmaniasis has been occurred in military training unit localized in 'zona da mata' of pernambuco state, brazil, where were registered 26 human cases. an epidemiological survey was carried out by entomological investigation and montenegro skin test (mst). lutzomyia choti presents predominance (89.9%) in sandflies identified. out of 545 men who realized training activities were 24.12% positive to mst.
