Empoasca (Okubasca) Dworakowska, 1982

Liu, Yang, Qin, Dao-Zheng, Fletcher, Murray J. & Zhang, Ya-Lin, 2011, Review of Empoasca (Okubasca) Dworakowska (Hemiptera: Cicadellidae: Typhlocybinae: Empoascini), first record from China and description of two new species, Zootaxa 3101, pp. 59-64 : 60

Empoasca (Okubasca) Dworakowska, 1982

Empoasca (Okubasca Dworakowska, 1982: 53)

Type species. Empoasca okubella Matsumura, 1931 , by original designation

Remarks. The subgenus is primarily characterized by its pygofer lobe having additional rigid microsetae at the ventral margin; pygofer ventral appendage short, subgenital plate apex strongly tapered, group B setae continuous from near base to apex, group A not differentiated, aedeagal shaft long relative to preatrium, plate apex fuscous ( Dworakowska, 1982; Southern, 1982). Empoasca (Okubasca) previously included only the type species, E. okubella Matsumura , from Japan.

Distribution. China (Yunnan and Zhejiang Provinces), Japan.

Key to species of Empoasca (Okubasca Dworakowska) (3)

1. Aedeagal shaft with minute transverse ribs dorsally near base ( Fig. 14 ); in ventral aspect, shaft smooth subapically, without lateral teeth ( Fig. 15 ); anal tube appendage straight ( Fig. 12 ).......................... E. (O.) calvata Qin & Liu sp. nov.

- Aedeagus shaft without minute transverse ribs dorsally near base ( Fig. 26 ); in ventral aspect, shaft with lateral teeth subapically ( Fig. 27 ); anal tube appendage curved apically ( Fig. 24 )................................................... 2

2. Anal tube appendage curved caudad apically ( Figs. 21, 24 ); aedeagus with preatrium weakly developed, shaft broadest at base ( Fig. 26 )............................................................... E. (O.) dianella Qin & Zhang sp. nov.

- Anal tube appendage curved baso-cephalad apically ( Fig. 4 ); aedeagus with preatrium nearly as long as shaft, shaft broadest in middle ( Figs. 2, 3 )............................................................... E. (O.) okubella Matsumura

Figures

FIGURES 7 – 18. Empoasca (Okubasca) calvata Qin & Liu sp. nov., 7, forewing; 8, hindwing; 9, male terminalia, left lateral view; 10, pygofer side, dorsal view; 11, same, left lateral view; 12, anal tube appendage, left lateral view; 13, subgenital plate, lateral view; 14, aedeagus, lateral view; 15, same, ventral view; 16, connective; 17, paramere; 18, abdominal apodeme.

FIGURES 19 – 30. Empoasca (Okubasca) dianella Qin & Zhang sp. nov., 19, forewing; 20, hindwing; 21, male terminalia, left lateral view; 22, pygofer side, dorsal view; 23, same, left lateral view; 24, anal styli, left lateral view; 25, subgenital plate, lateral view; 26, aedeagus, lateral view; 27, same, ventral view; 28, connective; 29, paramere; 30, abdominal apodemes.

FIGURES 1 – 6. Empoasca (Okubasca) okubella Matsumura, 1, male pygofer, lateral view; 2, aedeagus, ventral view; 3, aedeagus, lateral view; 4, anal tube appendage; 5, subgenital plate; 6, paramere. (all from Matsumura, 1931).