Signoretia Stål

Viraktamath, C. A. & Webb, M. D., 2016, Review of the genus Signoretia (Hemiptera: Cicadellidae: Signoretiinae) of the Oriental region with description of nine new species, Zootaxa 4193 (3), pp. 486-516 : 488

Key to species of Signoretia Stål from the Oriental region

1. Orange yellow and red ( Figs 29–30 ) or chocolate brown species ( Figs 12–13 , 43–45 )................................ 2

- Creamy white or pale green species with or without black or dark brown markings ( Figs 1 –11,14–28, 31–42, 46–48)....... 4

2. Orange yellow species with black spots on head and thorax, basal 0.75 of forewing red ( Figs 29–30 ) ( Thailand).................................................................................................... S. rubra sp. nov.

- Pale or dark chocolate brown species ( Figs 12–13 , 43–45 )..................................................... 3

3. Head and pronotum with dorsal median longitudinal pale stripe ( Fig. 12 ); clypellus in profile angularly raised ( Fig. 68 , arrowed) (Sri Lanka)....................................................................... S. greeni Distant

- Head and pronotum without dorsal median longitudinal pale stripe ( Fig. 43 ); clypellus in profile not angularly raised ( Fig. 45 ) ( Indonesia: Sumatra).................................................................. S. sumatrana Schmidt

4. Crown in profile horizontal not declivous, frontoclypeus gently convex ( Figs 69, 77, 78 ).............................5

- Crown in profile declivous, frontoclypeus strongly swollen ( Figs 67, 73, 74 )...................................... 14

5. Crown narrowed beyond ocelli and strongly produced in front ( Figs 23 , 33, 41 )....................................6

- Crown broadly rounded and weakly produced in front ( Figs 1 , 14,16)............................................ 8

6. Male pygofer ventral process long, extending beyond dorsal margin (Figs 133,176)................................. 7

- Male pygofer ventral process short, not reaching dorsal margin (see Fig. 2 , Li, 1995) ( China: Fujian. Taiwan) ... .. S. yangi Li

7. Atrial process of aedeagal shaft bifid ( Figs 180, 181 ) ( India: Darjeeling)............................ S. sinuata sp. nov.

- Atrial process of aedeagal shaft simple, not bifid ( Figs 136 –137 ) ( India: Arunachal Pradesh, Myanmar, Mishmi Hills)........................................................................................ S. mishmiensis sp. nov.

8. Male pygofer ventral process length beyond pygofer longer than height of posterior pygofer lobe in lateral view ( Figs 98 , 121 ).................................................................................................... 9

- Male pygofer ventral process length beyond pygofer shorter than height of posterior pygofer lobe in lateral view ( Figs 113 , 162 ) or not reaching pygofer dorsal margin ( Fig. 169 )........................................................ 10

9. Aedeagal shaft about 0.70 as long as atrium, latter about twice as wide as shaft in posterior view ( Fig. 104 ) ( India: Arunachal Pradesh. Myanmar)...................................................................... S. aureola Distant

- Aedeagal shaft about 0.60 as long as atrium, latter about four times as wide as shaft in posterior view ( Fig. 129 ) ( India: Arunachal Pradesh. Myanmar)............................................................. S. maculata Baker

10. Pygofer ventral process exceeding dorsoposterior margin ( Figs 113 , 162 ).........................................11

- Pygofer ventral process short, internal, not reaching dorsoposterior margin ( Fig. 169 ) (Vietnam: Fyan)... S. similaris sp. nov.

11. Ventral process arms of aedeagus in dorsal view acutely pointed ( Figs 116 , 187 )................................... 12

- Ventral process arms of aedeagus in dorsal view bluntly rounded apically ( Fig. 165 )................................ 13

12. Ventral process arms of aedeagus in ventral view divergent from base, dorsal margin setose ( Fig. 187 ) ( India: Andaman Islands).............................................................................. .. S. takiyae sp. nov.

- Ventral process arms of aedeagus in ventral view close together and divergent only distally, without setae ( Fig. 116 ) ( India: Mizoram)............................................................................... S. lunglei sp. nov.

13. Ventral process arms of aedeagus in lateral view more or less parallel sided, apically slightly broadened ( Fig. 166 ) ( India: Western Ghats)..................................................................... .. S. sahyadrica sp. nov.

- Ventral process arms of aedeagus in lateral view gradually narrowed towards apex and pointed ( Takiya et al. 2013: Fig. 39 ) ( Malaysia: Malacca, Penang. Philippines, Singapore)............................................ .. S. malaya (Stål)

14. Pronotum longer than wide ( Fig. 7 )...................................................................... 15

- Pronotum as wide as long ( Fig. 7 a, Baker, 1923) ( Philippines: Benguet, Luzon).................... S. benguetensis Baker

15. Median pronotal carina complete ( Figs 7 , 46 )..............................................................16

- Median pronotal carina not complete, either confined to pronotal foveae or extend only slightly beyond ( Fig. 6, 8–10 , 25 )....................................................................................................... 17

16. Crown with median carina ( Fig. 7 ) ( Philippines: Mindanao)....................................... S. carinata Baker

- Crown without median carina ( Fig. 46 ) ( Philippines: Luzon)...................................... S. tagalica Baker

17. Pronotum with narrow dark brown stripe on either side of median carina in anterior half ( Fig. 6 ) ( Malaysia: Borneo)............................................................................................... S. bilineata Baker

- Pronotum without such stripe........................................................................... 18

18. Aedeagus ventral process arms diverging posteriorly from base ( Takiya et al. 2013: Fig. 32 )... S. delicata Takiya & Dietrich

- Aedeagus ventral process arms not divergent from base ( Figs 111 , 149 ).......................................... 19

19. Aaedeagus ventral process arms with inner margins straight ( Fig. 111 ) ( Malaysia: Sarawak).......... S. dulitensis sp. nov.

- Aedeagus ventral process arms with inner margins straight in basal half and divergent in apical half ( Fig. 149 ) ( Malaysia: Quoin Hill)......................................................................... S. quoinensis sp. nov.

Figures

FIGURES 16 – 30. Habitus of species of Signoretia. 16 – 17. S. lunglei sp. nov., female; 18 – 22. S. maculata Baker: 18 – 19. Female; 20. Male; 21 – 22. S. maculata, holotype female; 23 – 24. S. mishmiensis sp. nov. holotype male; 25 – 26. S. quoinensis sp. nov. holotype male; 27 – 28. S. quoinensis, paratype female; 29 – 30. S. rubra sp. nov. holotype male. Figs 16, 18, 21, 23, 25, 27, 29. Dorsal aspect. Figs 17, 19, 20, 22, 24, 26, 28, 30. Lateral aspect.

FIGURES 1 – 15. Habitus of species of Signoretia. 1 – 4. S. aureola Distant: 1 – 2. Type, female; 3 – 4, Male from Hunli; 5. S. benguetensis Baker, syntype; 6. S. bilineata Baker, syntype; 7. S. carinata Baker, syntype; 8 – 11. S. dulitensis sp. nov., holotype and paratype; 12 – 13. S. greeni Distant, holotype; 14 – 15. S. lunglei sp. nov., holotype. Figs 1, 3, 6 – 8, 10, 12, 14. Dorsal aspect; Figs 2, 4, 5, 9, 11, 13, 15, lateral aspect.

FIGURES 31 – 46. Habitus and wings of species of Signoretia. 31 – 36. S. sahyadrica sp. nov., 31 – 32 holotype male; 33 – 34. Paratype female. 35 – 36. Paratype male; 37 – 38. S. similaris sp. nov., holotype male; 39 – 40. S. sinuata sp. nov., holotype male; 41 – 42. S. sinuata, paratype female; 43 – 45. S. sumatrana Schmidt, holoype male; 46. S. tagalica Baker, syntype. Figs 31, 33, 35, 37, 39, 41, 43, 46. Dorsal aspect. Figs 32, 34, 36, 38, 40, 42, 45. Lateral aspect. 44. Fore and hind wings.

FIGURES 66 – 79. Profile of head and thorax of species of Signoretia. 66. S. aureola Distant; 67. S. dulitensis sp. nov.; 68. S. greeni Distant; 69. S. lunglei sp. nov.; 70 – 71. S. maculata Baker; 72. S. mishmiensis sp. nov.; 73. S. quoinensis sp. nov.; 74. S. rubra sp. nov.; 75 – 76. S. sahyadrica sp. nov.; 77. S. similaris sp. nov. 78. S. sinuata sp. nov.; 79. S. takiyae sp. nov.

FIGURES 176 – 182. Signoretia sinuata sp. nov. 176. Male genital capsule, lateral view; 177. Subgenital plate, ventral view; 178. Style, lateral view; 179. Connective and ventral process of aedeagus, ventral view; 180. Aedeagus and ventral process, lateral view; 181. Aedeagus, anterodorsal view; 182. Female seventh sternite, ventral view.

FIGURES 133 – 139. Signoretia mishmiensis sp. nov. 133. Male genital capsule, lateral view; 134. Subgenital plate, ventral view; 135. Style, dorsal view; 136. Aedeagus and ventral process, lateral view; 137. Aedeagus, dorsal view; 138. Connective, dorsal view; 139. Ventral process of aedeagus, ventral view.

FIGURES 98 – 104. Signoretia aureola Distant. 98. Male genital capsule except subgenital plates, lateral view; 99. Process of segment X; 100. Connective, dorsal view; 101. Style, dorsal view; 102. Aedeagus, lateral view; 103. Ventral process of aedeagus, posterior view; 104. Adeagus, posterior view.

FIGURES 121 – 132. Signoretia maculata Baker. 121. Male pygofer and segment X, lateral view; 122. Segment X and XI, lateral view; 123. Process of segment X; 124. Connective, dorsal view; 125. Style, dorsal view; 126. Apex of subgenital plate, lateral view; 127. Ventral process of aedeagus, posterior view; 128. Connective, aedeagus and ventral process, lateral view; 129. Aedeagal shaft and atrium, posterior view; 130. Fore femur, chaetotaxy, mesal view; 131. Metabasitarsomere, chaetotaxy, ventral view; 132. Female seventh sternite, ventral view.

FIGURES 113 – 120. Signoretia lunglei sp. nov. 113. Male genital capsule, lateral view; 114. Aedeagus, posterior view; 115. Style, dorsal view; 116. Ventral process of aedeagus, posterior view; 117. Connective, ventral view; 118. Apices of ventral processes of aedeagus, magnified view; 119. Aedeagus, lateral view; 120. Female seventh sternite, ventral view.

FIGURES 162 – 168. Signoretia sahyadrica sp. nov. 162. Male genital capsule, lateral view; 163. Connective, dorsal view; 164. Style, dorsal view; 165. Ventral process of aedeagus, ventral view; 166. Aedeagus and ventral process, lateral view; 167. Aedeagus, dorsal view; 168. Female seventh sternite, ventral view.

FIGURES 169 – 175. Signoretia similaris sp. nov. 169. Male genital capsule; 170. Pygofer ventral process, lateral view; 171. Style, lateral view; 172. Connective, dorsal view; 173. Aedeagus, anterodorsal view; 174. Ventral process of aedeagus, ventral view; 175. Aedeagus and ventral process, lateral view.

FIGURES 183 – 190. Signoretia takiyae sp. nov. 183. Male genital capsule, lateral view; 184. Style, dorsal view; 185. Style apex, ventral view, magnified; 186. Connective, ventral view; 187. Ventral process of aedeagus, ventral view; 188. Aedeagus, anterodorsal view; 189. Apex of arm of ventral process of aedeagus, lateral view; 190. Aedeagus and ventral process, lateral view.

FIGURES 105 – 112. Signoretia dulitensis sp. nov. 105. Male genital capsule and segment VIII, lateral view; 106. Subgenital plate and valve, ventral view; 107. Aedeagus and ventral process, lateral view; 108. Style and its articulation with subgenital plate, dorsal view; 109. Style, lateral view; 110. Connective, dorsal view; 111. Ventral process and dorsal apodeme of aedeagus, ventral view; 112. Aedeagus, posterior view.

FIGURES 140 – 150. Signoretia quoinensis sp. nov. 140. Male genital capsule, lateral view; 141. Pygofer ventral process, lateral view; 142. Valve and subgential plate, ventral view; 143. Connective, dorsal view; 144. Sternite and processes of segment X, ventral view; 145. Aedeagus, anterodorsal view; 146 – 147. Style, lateral and dorsal view; 148. Aedeagus and ventral process, lateral view; 149. Ventral process of aedeagus, ventral view; 150. Female seventh sternite, ventral view.