[Host plants of Cerambycidae (Coleoptera) in the northeast of Argentina]. / Plantas hospedadoras de Cerambycidae (Coleoptera) en el noreste de Argentina.

New host plants and localities are recorded for 84 species of Cerambycidae of Chaco Province (Chaquenian Dominion) and Paranaense Province (Amazonian Dominion) in northeastern Argentina and Brazil. Host plants belong to Anacardiaceae, Asclepiadaceae, Apocynaceae, Bignoniaceae, Bombacaceae, Cactaceae, Caesalpinaceae, Capparidaceae, Casuarinaceae, Fabaceae, Mimosaceae, Moraceae, Nyctaginaceae, Polygonaceae, Rhamnaceae, Rutaceae, Sapindaceae, Sapotaceae and Ulmaceae. First records for Argentina and host plants: Compsocerus barbicornis Serville 1834, Desmiphora lenkoi (Lane 1959), Neocompsa serrana (Martins 1962) and Trachysomus dromedarius (Voet 1778). First host plants records of rare or uncommon Argentine species of Cerambycidae are Methia tubuliventris Gounelle 1913, Paraleptidea femorata Gounelle 1913 and Oncideres pepotinga Martins 1981.