Review of species of the Scaphoideus albovittatus group (Hemiptera, Cicadellidae, Deltocephalinae) from China, with a checklist and distribution summary for Chinese species in the genus Author Chen, Fangying Author Dai, Wu Author Zhang, Yalin text Zootaxa 2015 3904 3 334 358 journal article 10.11646/zootaxa.3904.3.2 9e2dd8bf-8ce1-4bc6-a9b5-df60339ae059 1175-5326 233530 EA840547-EE36-43E3-9FFE-90C055112BD6 Key to males of the Scaphoideus albovittatus group 1. Body ≥ 6.5 mm long................................................................................... 2 - Body ≤ 6.0 mm long................................................................................... 3 2. Connective processes unequal in length; aedeagal shaft with pair of processes at midlength..................................................................................................... S. inequalis Viraktamath & Mohan - Connective processes symmetrical, of equal length; aedeagus with pair of processes near apex and short triangular apical process................................................................................. S. insignis (Distant) 3. Vertex with 2 triangular black spots near apex margin and 2 quadrangle or zigzag spots next to eyes ( Figs. 1 A–E, 3A–B); style with preapical lobe not developed ( Figs. 6A–D , 7 B, F, J, N, 8C–D); subgenital plate with blunt distal end ( Figs. 6A–D , 8 C); aedeagus without process ( Figs. 7 C, D, G, H, K, L, O, P, 8F, G)................................................. 4 - Vertex with 1 spot apically and 2 round spots next to eyes ( Figs. 2 A–E, 3C–H), style with preapical lobe well developed ( Figs. 9 C, D, 10C, D, 11C, D, 12C, D, 13C, D); subgenital plate with round distal end ( Figs. 9 C, 10C, 11C, 12C, 13C); aedeagus with pair of processes ( Figs. 9 F, G, 10 F, G, 11 F, G, 12F, G, 13F, G).................................................. 6 4. Pygofer side short, 1.5 times as high as long ( Fig. 8 A, B); aedeagal shaft strongly widened dorsoventrally, width equal to 2/3 time of length ( Fig. 8 F, G)................................................................. S. rostratus sp.nov. - Pygofer side long, 2 times as high as long ( Fig. 5A–H ); aedeagal shaft cylindrical but not strong, width equal to 1/3 time of length ( Fig. 7 C, D, G, H, K, L, O, P)...................................................................... 5 5. Connective processes more or less of uniform width in their basal half then tapered ( Figs. 6A–D , 7 A, E, I, M)............................................................................................. S. albovittatus Matsumura - Connective processes slender, tapered from base to apex.............................. S. katraini Rao & Ramakrishnan 6. Crown well produced anteriorly, medial length 1.6 times as long as width between eyes; 2 round spots next to eyes large, diameter equal to 1.5 times distance from spot to hind margin of head; aedeagus with apical processes curved ventrally ( Fig. 3 D)................................................................................. S. intermedius Matsumura - Crown with medial length less than 1.4 times width between eyes; 2 round spots next to eyes small, diameter equal to 2 times distance from spot to hind margin of head ( Figs. 2 A–E, 3C, E–H); aedeagus with apical processes, if present, curved dorsally or laterally ( Figs. 9 F, G, 10F, G, 11F, G, 12F, G, 13F, G)........................................................ 7 7. Aedeagus with pair of processes at midlengh of shaft ( Fig. 11 F, G)............................................... 8 - Aedeagus without pair of processes at midlengh of shaft ( Figs. 9 F, G, 10F, G, 12F, G, 13F, G).......................... 9 8. Aedeagal shaft only with one pair of short processes at midlength, lacking apical pair of process................................................................................................... S. bifidus Viraktamath & Mohan - Aedeagal shaft with 2 pairs of short processes, 1 apical pair and other pair near middle ( Fig. 11 F, G)............................................................................................... .. S. maai Kitbamroong & Freytag 9. Aedeagus with two pairs of processes near apex ( Fig. 10 F, G)................................................. 10 - Aedeagus with only one pair of processes near apex ( Figs. 9 F, G, 12F, G, 13F, G).................................. 12 10. Aedeagal shaft with pair of apical processes very short, directed dorsally, and pair of lateral subapical processes longer than apical processes.................................................................... S. viraktamathi Meshram - Aedeagal shaft with apical processes very long, directed laterally or ventrally ( Fig. 10 F, G).......................... 11 11 Aedeagal shaft with pair of apical processes directed laterally, and pair of dorsal subapical processes or ridges parallel ( Fig. 10 F, G)......................................................................... S. kumamotonis Matsumura - Aedeagus with pair of apical processes directed ventrolaterally, and pair of dorsal subapical processes directed laterobasally.......................................................................... S. ryukyuensis Kamitani & Hayashi 12. Aedeagal shaft almost as long as dorsal apodeme, tapering apically in lateral view, with lateral triangular process near apex in ventral aspect ( Fig. 13 F, G).............................................................. S. sagittatus sp. nov. - Aedeagal shaft longer than dorsal apodeme, with pair of short, toothlike or hooklike processes near apex and directed dorsally ( Figs. 9 F, G, 12F, G).................................................................................. 13 13. Aedeagus with pair of processes at apex................................................................... 14 - Aedeagus with pair of processes at subapex ( Figs. 9 F, G, 12F, G)............................................... 15 14. Aedeagal shaft almost same width throughout..................................... S. knappi Kitbamroong & Freytag - Aedeagal shaft wider at basal half, narrowed to apex................................... S. kirti Viraktamath & Mohan 15 Aedeagal shaft robust at base, narrowed abruptly at midlength in lateral view, subapical process long and sharp apically, per- pendicular to shaft in lateral aspect ( Fig. 9 F, G)................................................... S. coniceus Li - Aedeagal shaft gradually tapered apically and truncated at apex in lateral view, subapical process short, recurved and directed basally in lateral aspect ( Fig. 12 F, G)......................................................... S. yuani sp. nov.