Plocaederus inconstans (Gounelle, 1913)

Geographical distribution. Brazil (Santa Catarina, Rio Grande do Sul), Paraguay, Argentina (Santiago del Estero, Chaco, Misiones, Entre Ríos), and Uruguay. A new state record from Parana (Brazil) is added.

Specimens examined. Brazil, Parana: Rolandia, female, X.1953, no collector indicated (MZSP) ; female, XII.1953, Dirings col. (MZSP) .