| | | Acanaloniidae Amyot & Audinet-Serville, 1843 | Acanalonia chloris (Berg, 1879) | | Achilidae Stål, 1866 | Olmiana argentina Guglielmino, Bückle & Emeljanov, 2010 | | Caliscelidae Amyot & Audinet-Serville, 1843 | Peripola nigra (Melichar, 1906) | | Cixiidae Spinola, 1839 | Aulocorypha punctulata Berg, 1879 | Haplaxius vilbastei (Kramer, 1979) | | Delphacidae Leach, 1815 | Caenodelphax teapae (Fowler, 1905) | Calbodus patquianus Fennah, 1965 | Chionomus balboae (Muir & Giffard, 1924) | Chionomus haywardi (Muir, 1929) | Delphacodes argentina Remes Lenicov & Teson, 1979 | Delphacodes kuscheli Fennah, 1955 | Delphacodes sitarea Remes Lenicov & Teson, 1979 | Idiosemus xiphias (Berg, 1879) | Idiosystatus acutiusculus (Spinola, 1852) | Idiosystatus australis Fennah, 1969 | Idiosystatus fuscoirroratus (Blanchard, 1852) | Idiosystatus gubernator Fennah, 1969 | Lacertinella australis (Remes Lenicov & Rossi Batiz, 2011) | Megamelus bellicus Remes Lenicov & Sosa, 2007 | Megamelus iphigeniae Muir, 1926 | Megamelus scutellaris Berg, 1883 | Megamelus timehri Muir, 1919 | Metadelphax argentinensis (Muir, 1929) | Metadelphax propinquus (Fieber, 1866) | Neodelphax fuscoterminata (Berg, 1879) | Nothodelphax atlanticus nigrescens Fennah, 1965 | Pentagramma cosquina Penner, 1947 | Pentagramma nigrifrons Muir, 1934 | Pentagramma nimbata (Berg, 1879) | Peregrinus maidis (Ashmead, 1890) | Saccharosydne subandina Remes Lenicov & Rossi Batiz, 2010 | Syndelphax humilis (Van Duzee, 1907) | Toya nigra (Crawford, 1914) | | Derbidae Spinola, 1839 | Cedusa yarosa Kramer, 1986 | Goneokarella maculivenis Fennah, 1952 | | Dictyopharidae Spinola, 1839 | Mitrops dioxys (Walker, 1858) | Nersiella haywardi (Lallemand, 1947) | | Flatidae Spinola, 1839 | Byllis proxima Berg, 1879 | | Fulgoridae Latreille, 1807 | Pterodictya reticularis (Olivier, 1791) | | Issidae Spinola, 1839 | Amphiscepa cartilaginea (Stål, 1859) | | Tropiduchidae Stål, 1866 | Alphesiboea solitaria (Melichar, 1914) |
| | | Acanaloniidae Amyot & Audinet-Serville, 1843 | Acanalonia chloris (Berg, 1879) | | Achilidae Stål, 1866 | Olmiana argentina Guglielmino, Bückle & Emeljanov, 2010 | | Caliscelidae Amyot & Audinet-Serville, 1843 | Peripola nigra (Melichar, 1906) | | Cixiidae Spinola, 1839 | Aulocorypha punctulata Berg, 1879 | Haplaxius vilbastei (Kramer, 1979) | | Delphacidae Leach, 1815 | Caenodelphax teapae (Fowler, 1905) | Calbodus patquianus Fennah, 1965 | Chionomus balboae (Muir & Giffard, 1924) | Chionomus haywardi (Muir, 1929) | Delphacodes argentina Remes Lenicov & Teson, 1979 | Delphacodes kuscheli Fennah, 1955 | Delphacodes sitarea Remes Lenicov & Teson, 1979 | Idiosemus xiphias (Berg, 1879) | Idiosystatus acutiusculus (Spinola, 1852) | Idiosystatus australis Fennah, 1969 | Idiosystatus fuscoirroratus (Blanchard, 1852) | Idiosystatus gubernator Fennah, 1969 | Lacertinella australis (Remes Lenicov & Rossi Batiz, 2011) | Megamelus bellicus Remes Lenicov & Sosa, 2007 | Megamelus iphigeniae Muir, 1926 | Megamelus scutellaris Berg, 1883 | Megamelus timehri Muir, 1919 | Metadelphax argentinensis (Muir, 1929) | Metadelphax propinquus (Fieber, 1866) | Nothodelphax atlanticus nigrescens Fennah, 1965 | Pentagramma cosquina Penner, 1947 | Pentagramma nigrifrons Muir, 1934 | Pentagramma nimbata (Berg, 1879) | Peregrinus maidis (Ashmead, 1890) | Saccharosydne subandina Remes Lenicov & Rossi Batiz, 2010 | Syndelphax humilis (Van Duzee, 1907) | Toya nigra (Crawford, 1914) | | Derbidae Spinola, 1839 | Cedusa yarosa Kramer, 1986 | Goneokarella maculivenis Fennah, 1952 | | Dictyopharidae Spinola, 1839 | Mitrops dioxys (Walker, 1858) | Nersiella haywardi (Lallemand, 1947) | | Flatidae Spinola, 1839 | Byllis proxima Berg, 1879 | | Fulgoridae Latreille, 1807 | Pterodictya reticularis (Olivier, 1791) | | Issidae Spinola, 1839 | Amphiscepa cartilaginea (Stål, 1859) | | Tropiduchidae Stål, 1866 | Alphesiboea solitaria (Melichar, 1914) |
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