Two new species of Mendozellus Linnavuori (Hemiptera: Cicadellidae: Deltocephalinae: Deltocephalini) with redescription of Mendozellus asunctia Cheng Author Duan, Yani Author Dietrich, Christopher H. Author Zhang, Yalin text Zootaxa 2017 4232 2 231 240 journal article 36529 10.11646/zootaxa.4232.2.6 e3beaa9e-4318-4d08-b4aa-07befd387698 1175-5326 292897 E5682F21-9A18-4C6E-A4B7-531FF229B9CE Key to species of Mendozellus Linnavuori (males) The following species were described based on female specimens and are therefore omitted from the key: M . brevipennis , M . incisus and M . lineiceps . 1. Aedeagal apex narrowly emarginate in posteroventral view....................................................2 - Aedeagal apex entire in posteroventral view ( Fig. 2 E).........................................................6 2. Apophysis of style irregularly expanded apically, finely serrate.............................................. M . isis - Apophysis of style finger-like............................................................................ 3 3. Subgenital plate truncate apically................................................................... M . devius - Subgenital plate acute apically............................................................................4 4. Subgenital plate lateral margin convex............................................................ M . tarandus - Subgenital plate lateral margin incurved....................................................................5 5. Aedeagus with lateral processes oriented dorsad in lateral view...................................... M . mallecoanus - Aedeagus with lateral processes oriented posteroventrad in lateral view................................... M . minutus 6. Gonopore large, round, situated at apex of shaft ( Fig. 5 E)......................................................7 - Gonopore not as above.................................................................................. 9 7. Forewing mostly dark brown contrasting with white commissural stripe ( Fig. 4 A–D)............. M . paralaredanus sp. n. - Forewing coloration not as above.........................................................................8 8. Extreme apex of aedeagus attenuate in lateral view.................................................. M . laredanus - Extreme apex of aedeagus rounded in lateral view.................................................. M . albolectus 9. Aedeagus without lateral teeth or processes ( Fig. 7 E)............................................. M . rakitovi sp. n. - Aedeagus with lateral teeth or processes...................................................................10 10. Aedeagus with pair of minute subapical tooth-like processes ( Fig. 2 E)................................... M . asunctia - Aedeagal with pair of depressed lateral triangular processes.................................................... 11 11. Apophysis of style short, apex truncate with acute lateral and medial angles................................. M . dubius - Apophysis of style long, acuminate.......................................................................12 12. Aedeagus in ventral view abruptly constricted distad of lateral teeth with apical section nearly parallel sided.. M . patagonicus - Aedeagus in ventral view evenly tapered from lateral teeth to apex.................................... M . maipuanus