Review of the new world treehopper tribe Stegaspidini (Hemiptera : Membracidae : Stegaspidinae): III: Flexocentrus Goding, Stylocentrus Stal, and Umbelligerus Deitz

Three genera in the treehopper tribe Stegaspidini Haupt-Flexocentrus Goding , Stylocentrus Stal, and Umbelligerus Deitz-are redescribed and illustrated based on adult and nymphal morphology. One new synonymy is included in thi s work: Flexocentrus brunneus Funkhouser is a new junior synonym of F. feli nus (Haviland). Flexocentrus is now a monotypic genus, Stylocentrus and Umb elligerus have three valid species each. Updated taxonomic keys are given f or Stylocentrus and Umbelligerus and a complete species checklist, includin g synonymies, is given for each genus.