Two new species of the leafhopper subgenus Empoasca (Empoasca) Walsh (Hemiptera, Cicadellidae, Typhlocybinae, Empoascini) from China

Abstract Two new species of the leafhopper subgenus Empoasca (Empoasca) namely, E. (E.) dorsodenticulata Yu & Yang, sp. n. and E. (E.) spiculata Yu & Yang, sp. n. from China are described and illustrated and a key provided for Chinese subgenera of Empoasca.


Material and methods
The methods and terminology follow Zhang (1990) except for the nomenclature of wing, for which we follow Dworakowska (1993). Male specimens were dissected under a MOTIC B1 SMS-168 SERIES microscope. Figures were made using an OLYMPUS CX41 and enhanced using Adobe Illustrator CS4. Pictures were taken with VHX-1000C and dealt with by Adobe Illustrator CS4. The body length is measured from the apex of the head to the apex of the forewing, the specimens examined are deposited in Institute of Entomology, Guizhou University, Guizhou Guiyang, China (GUGC) and The Natural History Museum, England.
Etymology. The new species name alludes to the dorsal denticles on the aedeagal shaft.
Etymology. The new species name alludes to the ventral spicules on the aedeagal shaft.

Remarks.
The new species differs from other members of the subgenus in having the ventral pygofer appendage forked, aedeagal shaft laterally compressed dorsally and ventrally spiculate.

Key of the subgenera of Empoasca known from China (males only)
1 Subgenital plates with very long fine setae distally (Fig. 30)  Pygofer lobe with rigid microsetae at ventral margin and ventral pygofer appendage short; subgenital plates elongate and tapered to narrow apex, with all outer marginal setae short (Fig. 31)  Subgenital plates very short and broad (Fig. 32)  Subgenital plates distinctly broader basally than distally (Fig. 33)