1. Empoasca yona, new species (fig. 23, a-d).

A greenish-yellow species with reddish-brown eyes but without other markings. Crown slightly broader than its median length, distinctly rounded before; posterior margin subparallel, not as long as the·pronotum.

Female genitalia: last ventral segment slightly sinuately produced in the median area, with a distinct though shallow V-shaped notch on the median line. External male genitalia: plates very long, when viewed ventrally somewhat divergent; apices obtuse when viewed laterally with the apical two thirds expanded into a broad plate with a dorsal circular margin. Internal male genitalia: aedeagus simple, slender based; styles elongate, slender; apices slender, accuminate; lateral processes elongate, nearly as long as the genital styles, bifucate.

Length: to apex of tegmina, 2.75 mm.; to apex of abdomen, 2.25 mm.

Holotype male, allotype female, Piti, June 15, Usinger, at light; paratypes: 14 females, Yona, May 12, Usinger; one female, June 5, Usinger .