Head and pronotum. A. Ischnodemus nigromaculatoides sp. nov.; B. Ischnodemus formosus sp. nov.; C. Ischnodemus infernalis sp. nov.; D. Ischnodemus nigromaculatus Slater & Wilcox, 1969 (HNHM). Scale bars: 1 mm.

 
 
  Part of: Dellapé PM, Melo MC (2022) Four new species of Ischnodemus (Hemiptera, Heteroptera, Blissidae) and additional records from Argentina. Deutsche Entomologische Zeitschrift 69(2): 283-295. https://doi.org/10.3897/dez.69.94683