Lepidopterism by Hylesia nigricans (Berg) moth is recorded for the first time in southern Brazil. Preventive strategies of control are proposed based on information on the biology and ecology of this moth. kEy wORDS: Dermatitis, host-plant, southern Brazil, urticating moth The genus Hylesia hübner is exclusively Neotropical and comprises approximately 100 species of moths (Lamy et al. 1984). at...