Diversity of true bugs from Iguazú National Park, Argentina Author María C. Melo Author Gimena Dellapé Author Leonela Olivera Author Pablo S. Varela Author Sara I. Montemayor Author Pablo M. Dellapé text Check List 2017 2017-09-22 13 5 479 511 journal article 10.15560/13.5.479 243064a9-76d7-48c8-b378-31b5aacf9ad7 1809-127X 1143518 Opisthacidius lutzi ( Costa Lima, 1940 ) ( Fig. 12 ) Distribution. Argentina : Buenos Aires , La Rioja , Mendoza , Salta , San Luis , and Santiago del Estero ( Lent and Wygodzinsky 1947b ). Material examined. 1♀, P.N. Iguazú, XII-1979 , Carpintero coll., PNI0101 (MACN). Remarks. First record for Misiones province . This species can be distinguished by the small size (less than 20 mm ); the mostly black pronotum and corium, and the dark abdominal sterna ( Lent and Wygodzinsky 1956 ).