Signoretia Stal
Creators: name: Viraktamath, C. A.
name: Webb, M. D.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadellidae
Signoretia

description: 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.
description: Published as part of 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, pp. 486-516 in Zootaxa 4193 (3) on page 488, DOI: 10.5281/zenodo.167191