Abstract
The redescriptions of two genera of Opsiini (Hemiptera: Cicadellidae), Concavifer Dlabola, 1960 and Phlepsopsius Dlabola, 1979, are given based on specimens collected recently in the Kingdom of Saudi Arabia. Concavifer nativus Zhuravlev, 1991 syn. nov., and C. sagittatus Emeljanov, 1972 syn. nov. are proposed as new subjective junior synonyms of C. marmoratus Dlabola, 1960. Phlepsopsius africanus Abdul-Nour, 2007, syn. nov., is proposed as a new subjective junior synonym of P. arabicus Dlabola, 1979. The genus Hishimonus Ishihara, 1953 is newly reported for the Kingdom of Saudi Arabia, represented by the species H. phycitis (Distant, 1908). A key is provided to distinguish the species of Concavifer.
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