Scaphoideus

Kamitani, Satoshi & Hayashi, Masami, 2013, Taxonomic study of the genus Scaphoideus Uhler (Hemiptera, Cicadellidae, Deltocephalinae) from Japan, Zootaxa 3750 (5), pp. 515-533 : 532

Key to Japanese species of the genus Scaphoideus

1. Vertex pale yellow with pair of blackish spots; pronotum brown with wide longitudinal pale stripe; aedeagal shaft long to rather short........................................................................................... 2

- Vertex orange to brown band between eyes; pronotum brownish orange to brown without longitudinal stripe; aedeagal shaft short................................................................................................ 4

2. Aedeagal shaft rather short and wide, hooked dorsad in lateral view; style with long apodeme.............. S. albovittatus

- Aedeagal shaft slender, with pair of apical processes and usually with pair of subapical processes; style with short apodeme. 3

3. Aedeagus with apical processes directed dorsally; style small; connective with processes widest at apical half..................................................................................................... S. kumamotonis

- Aedeagus with apical processes directed ventrally; style large; connective with processes narrow..... S. ryukyuensis sp. nov.

4. Pronotum and mesonotum pale yellow, with longitudinal orange stripes.............................. S. rubroguttatus

- Pronotum brown uniformly brownish orange to brown........................................................ 5

5. Processes of connective distinctly widest at apical 1/3.................................................. S. festivus

- Processes of connective not distinctly widened preapically..................................................... 6

6. Processes of connective slightly widest at apical 1/4 and serrate at outer margin................. S. pristiophorus sp. nov.

- Processes of connective not widened and without serration on outer margin........................................ 7

7. Apophysis of style long................................................................. S. aurantius sp. nov.

- Apophysis of style very short........................................................... S. brevistylus sp. nov.