New species of Mayawa Fletcher and description of a related new Australian leafhopper genus (Hemiptera: Cicadellidae: Deltocephalinae: Paralimnini) Author Dietrich, Christopher H. 0000-0003-4005-4305 Illinois Natural History Survey, Prairie Research Institute, University of Illinois, 1816 S. Oak St., Champaign, IL 61820, USA & chdietri @ illinois. edu; https: // orcid. org / 0000 - 0003 - 4005 - 4305 chdietri@illinois.edu text Zootaxa 2021 2021-02-23 4933 4 575 585 journal article 7744 10.11646/zootaxa.4933.4.8 c2ee457e-dc5a-499b-9eff-ccefb9fc9cbe 1175-5326 4556765 F7C9A53A-B3EA-4889-A302-6C9A3512A0A4 Key to species of Mayawa 1. Crown of head with pair of large submedial black spots ( Fig. 3B )............................................... 2 -. Crown of head without large spots, with broken transverse line or multiple pairs of small spots ( Fig. 2B ), or without distinct markings ( Fig. 4B ).................................................................................... 3 2. Spots on crown extended onto face ( Fig. 3B )................................................ bimaculata sp. nov. -. Spots on crown not extended onto face, face usually with separate pair of black spots below crown margin................................................................................................... capitata (Kirkaldy) 3. Head without distinct brown markings on crown ( Fig. 4B ).................................................... 4 -. Head with small brown spots or lines near anterior margin of crown ( Fig. 2B )..................................... 6 4. Male style apophysis slender and evenly curved laterad ( Fig. 5G )................................... kathyae sp.nov. -. Male style apophysis broad, posteromedial margin abruptly bent laterad ( Fig. 4G )................................. 5 5. Crown between eyes approximately as long as wide; aedeagal shaft curved dorsad in lateral view........... flava Fletcher -. Crown between eyes much shorter than wide ( Fig. 4B ); aedeagal shaft arcuate in lateral view ( Fig. 4H ).................................................................................................... brevicephala sp. nov. 6. Male style apophysis slender and evenly curved, posteromedial margin not distinctly angulate ( Fig. 6F )................ 7 -. Male style apophysis usually broad, posteromedial margin distinctly angulate ( Fig. 4G )............................. 9 7. Aedeagal shaft in posterior view distinctly tapered distad of preapical processes, distal processes less than one fifth as long as gonopore ( Fig. 6H )....................................................................... vestigia sp. nov. -. Aedeagal shaft in posterior view parallel-sided distad of preapical processes, distal processes at least one third as long as gonopore ( Fig. 2G )....................................................................................... 8 8. Subgenital plate more than twice as long as maximum width; aedeagus with gonopore extended basad beyond distal process more than length of process ( Fig. 2H ); style apophysis more than 6x longer than basal width ( Fig. 2F )..................................................................................................... affinifacialis sp. nov. -. Subgenital plate distinctly less than twice as long as maximum width; aedeagus with gonopore extended only slightly basad of distal process; style apophysis approximately 4x longer than basal width............................. facialis Fletcher 9. Male style apophysis with lateral projection oriented basolaterad.................................... fusca Fletcher -. Male style apophysis with lateral projection oriented distolaterad or laterad ( Fig. 4G ).............................. 10 10. Male subgenital plate with posteromedial notch................................................ neoflava Fletcher -. Male subgenital plate truncate apically, without posteromedial notch................................ carolae Fletcher