A review of the leafhopper genus Jikradia with descriptions of four new species (Homoptera : Cicadellidae)

The genus Jikradia Nielson extends from eastern North America to Central Am erica and the Galapagos islands. Four additional new species are described and illustrated: J. mexicana (Mexico) J. longa (Costa Rica, Guatemala, Mexi co), J. zurquiensis (Costa Rica) and J. lizanoi (Costa Rica). J. mexicana g eneral color is ochraceous; the aedeagus without sera-like spine. J. longa, general color is light ochraceous; the aedeagus with long seta-like proces s subapically with three spine-like setae opposite to single subapical sera . J. zurquiensis, general color brown; aedeagus with single seta-like proce ss subapically with three small spine-like setae basad of single subapical setae on the opposite lateral margin of aedeagus. J. lizanoi, general color brown; aedeagus asymmetrical, long, narrow, tube-like, in lateral aspect w ith sharply pointed apex, with two long seta-like processes subapically wit h four spine-like setae. A revised key to all known species, and subspecies , based on male genitalia, is also presented.