Two new South American species of Acrobelus Stål (Hemiptera: Cicadellidae: Cicadellinae) with a key to the species of the genus Author Ceotto, Paula C. Author Mejdalani, Gabriel Author Takiya, Daniela M. text Journal of Natural History 2004 2004-08-20 38 16 2073 2083 http://dx.doi.org/10.1080/0022293032000140930 journal article 10.1080/0022293032000140930 1464-5262 4676103 B70736C4-FBB4-4E6B-8FA7-0779B2789CBF Key to males of Acrobelus 1 Subgenital plates extending well beyond pygofer apex, with numerous fusiform macrosetae ( figures 4 , 8 ).................. 2 – Subgenital plates extending as far posteriorly as pygofer apex, without fusiform macrosetae...................... 3 2 Apex of subgenital plates narrowly rounded ( figures 6–8 ); paraphyses with rami not attaining half the length of aedeagal shaft ( figure 9 )... A. nessimiani sp. nov. – Apex of subgenital plates expanded ( figures 2–4 ); paraphyses with rami attaining half the length of aedeagal shaft ( figure 5 )........ A. rakitovi sp. nov. 3 Aedeagus with median dorsal processes; gonoduct opening on apical portion of aedeagus; paraphyses exceeding aedeagal apex ( Young, 1968 : figure 150f; Mejdalani and Emmrich, 1998 : figure 7 )................. 4 – Aedeagus without median dorsal processes; gonoduct opening on basal portion of aedeagus; paraphyses not attaining aedeagal apex ( Young, 1968 : figure 149f).............. A. reflexus (Signoret, 1855) 4 Aedeagus with small dorsal and ventral processes near mid-length of shaft; apex of shaft not expanded dorsoventrally; paraphyses rami with asymmetrical short spines ( Young, 1968 : figure 150f, j)........ A. ecuadorianus Young, 1968 – Aedeagus with small dorsal processes near mid-length of shaft but without ventral processes; apex of shaft expanded dorsoventrally; paraphyses rami without spines ( Mejdalani and Emmrich, 1998 : figures 7, 8 )................ A. colombianus Mejdalani and Emmrich, 1998