Deltocephalini
Creators: name: Duan, Yani
name: Dietrich, Christopher H.
name: Webb, Michael D.
name: Zhang, Yalin
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadellidae

description: Key to Deltocephalini from Thailand
1. Forewing with extra cross veins (Figs 1A–B; 3A–B; 5A–B).................................................... 2
- Forewing without extra cross veins........................................................................ 8
2. Crown more than 2x as long as width between eyes (Fig. 3A).................. Phetchabunia janteabi gen. nov., sp. nov.
- Crown at most as long as broad between eyes................................................................ 3
3. Crown shorter medially than next to eye, anterior and posterior margins sub-parallel (Fig. 1A)..................................................................................................... Loeia tampti gen. nov., sp. nov.
- Crown distinctly longer medially than next to eye............................................................ 4
4. Aedeagal shaft needle-like................................................................ Polyamia acicularis
- Aedeagal shaft not as above.............................................................................. 5
5. Crown conspicuously marked with brown, lower half of face completely brown, markings on anterior margin forming three yellow transverse spots and on crown forming subapical central yellow spot........................... Maiestas scripta
- Crown not marked as above.............................................................................. 6
6. Forewing marked with dark brown spots (Fig. 5A)............................................................ 7
- Forewing not marked with dark brown spots............................................ Matsumuratettix jaruphani
7. Subgenital plate macrosetae marginal (Fig. 6C); aedeagal shaft cylindrical (Fig. 6F)............. Maiestas subsirii sp. nov.
- Subgenital plate macrosetae central on plate; aedeagal shaft laterally compressed............ Matsumuratettix hiroglyphicus
8. Forewing marked with a zig-zag brown marking................................................ Maiestas dorsalis
- Forewing not marked as above............................................................................ 9
9. Crown not or only very slightly produced medially, with a dark brown transverse band on disc............ Paramesodes sp.
- Crown distinctly produced medially, without a transverse dark brown band on disc................................. 10
10. Anterior margin of crown dark brown with transverse row of white spots............................ Maiestas distincta
- Crown not marked as above............................................................................. 11
11. Face marked with dark brown spot below antennae and central brown spot on crown, or if spot on crown absent then crown without marking.......................................................................... Maiestas portica
- Face and crown not marked as above...................................................................... 12
12. Subgenital plates fused to valve......................................................... Miradeltaphus sanogae
- Subgenital plates not fused to valve....................................................................... 13
13. Aedeagal shaft curved dorsally with apical gonopore......................................................... 14
- Aedeagal shaft at most shallowly curved dorsally with gonopore apical on dorsal surface (Fig. 6F).................... 15
14. Aedeagal shaft with an apical notch...................................................... Deltocephalus vulgaris
- Aedeagal shaft without an apical notch................................................... Deltocephalus infirmus
15. Aedeagal shaft very elongate, bifurcate apically............................................... Yuanamia producta
- Aedeagal shaft short to moderately long not bifurcate apically (Figs 6E–F)....................................... 16
16. Aedeagus with well-developed basal heel................................................... Maiestas dinghuensis
- Aedeagus without developed basal heel........................................................ Maiestas serrata
description: Published as part of Duan, Yani, Dietrich, Christopher H., Webb, Michael D. & Zhang, Yalin, 2017, New taxa and new records of Deltocephalini leafhoppers from Thailand (Hemiptera: Cicadellidae: Deltocephalinae), pp. 363-373 in Zootaxa 4350 (2) on pages 364-365, DOI: 10.11646/zootaxa.4350.2.10, http://zenodo.org/record/1053068