Scaphoideus albovittatus

Chen, Fangying, Dai, Wu & Zhang, Yalin, 2015, 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, Zootaxa 3904 (3), pp. 334-358 : 338-339

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.

Figures

FIGURE 1. Habitus. A – E, Dorsal views. F – J, Lateral views. K – O, Face. A – D, F – I, K – N, Scaphoideus albovittatus Matsumura (A, F, K, from Shandong Prov.; B, G, L, from Shaanxi Prov.; C, H, M, from Hubei Prov.; D, I, N, from Guangxi Prov.); E, J, O, S. rostratus sp. nov.

FIGURE 2. Habitus. A – E, dorsal view; F – J, lateral view; K – O, face. A, F, K, Scaphoideus coniceus; B, G, L, Scaphoideus kumamotonis; C, H, M, Scaphoideus maai; D, I, N, Scaphoideus yuani sp. nov; E, J, O, Scaphoideus sagittatus sp. nov.

FIGURE 3. Head and thorax, dorsal view. A. Scaphoideus albovittatus; B. Scaphoideus rostratus sp. nov.; C. Scaphoideus coniceus; D. Scaphoideus intermedius; E. Scaphoideus kumamotonis; F. Scaphoideus maai; G. Scaphoideus yuani sp. nov.; H. Scaphoideus sagittatus sp. nov. (D. after NMNS, used with permission)

FIGURE 7. Scaphoideus albovittatus Matsumura. A, E, I, M. Connective processes; B, F, J, N. Style, dorsal view; C, G, K, O. Aedeagus, ventral view; D, H, L, P. Aedeagus, lateral view. (A – D. from Shandong Prov.; E – H. from Shaanxi Prov. I – L. from Hubei Prov.; M – P. from Guangxi Prov.)

FIGURE 8. Scaphoideus rostratus sp. nov. A. Male genital, lateral view; B. Pygofer, ventral view; C. Subgenital plates, styles, connective in dorsal view; D. Style, dorsal view; E. Connective processes, lateral view; F. Aedeagus, lateral view; G. Aedeagus, ventral view.

FIGURE 9. Scaphoideus coniceus Li. A. Male genital, lateral view; B. Pygofer, ventral view; C. Subgenital plates, styles, connective in dorsal view; D. Style, dorsal view; E. Connective processes, lateral view; F. Aedeagus, lateral view; G. Aedeagus, ventral view.

FIGURE 10. Scaphoideus kumamotonis Matsumura. A. Male genital, lateral view; B. Pygofer, ventral view; C. Subgenital plates, styles, connective in dorsal view; D. Style, dorsal view; E. Connective processes, lateral view; F. Aedeagus, lateral view; G. Aedeagus, ventral view.

FIGURE 11. Scaphoideus maai Kitbamroong & Freytag. A. Male genital, lateral view; B. Pygofer, ventral view; C. Subgenital plates, styles, connective in dorsal view; D. Style, dorsal view; E. Connective processes, lateral view; F. Aedeagus, lateral view; G. Aedeagus, ventral view.

FIGURE 12. Scaphoideus yuani sp. nov. A. Male genital, lateral view; B. Pygofer, ventral view; C. Subgenital plates, styles, connective in dorsal view; D. Style, dorsal view; E. Connective processes, lateral view; F. Aedeagus, lateral view; G. Aedeagus, ventral view.

FIGURE 13. Scaphoideus sagittatus sp. nov. A. Male genital, lateral view; B. Pygofer, ventral view; C. Subgenital plates, styles, connective in dorsal view; D. Style, dorsal view; E. Connective processes, lateral view; F. Aedeagus, lateral view; G. Aedeagus, ventral view.

FIGURE 6. A – D. Valve, Subgenital plates, styles, connective of Scaphoideus albovittatus Matsumura, dorsal view. A. from Shandong Prov.; B. from Shaanxi Prov.; C. from Hubei Prov.; D. from Guangxi Prov.

FIGURE 5. A – H. Scaphoideus albovittatus Matsumura. A, C, E, G, Male pygofer, lateral view; B, D, F, H, Male pygofer, ventral view. (A – B, from Shandong Prov.; C – D, from Shaanxi Prov.; E – F, from Hubei Prov.; G-H, from Guangxi Prov.)