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 Xyonysius major ( Berg, 1878 ) http://lsid.speciesfile.org/urn:lsid:Lygaeoidea.speciesfile. org:TaxonName:487675 Distribution. Argentina : Buenos Aires , Chaco , Misiones, and Salta ( Melo et al. 2011 , Dellapé 2014 , Dellapé et al. 2015b ); Brazil and Paraguay ( Schaefer 1998 ). Material examined. 7♂ 11♀, 1-XI-2012 , S.I. Montemayor coll., PNI0944-61 (MLP); 11♂16♀, 1-XI-2012 , M.C. Melo coll., PNI0962-88 (MLP); 7♂ 10♀, 1-XI- 2012 , light trap , PNI0989-1005 (MLP).