Iassinae Amyot & Serville 1843
Creators: name: Wang, Xian-Yi
name: Wu, Yun-Fei
name: Dai, Ren-Huai
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadellidae

description: Key to genus and tribe of Iassinae (males) from China
1. Anterior margin of head well delimited, transition from crown to face distinctly angulate, ocelli on margin [Krisnini]...... 4
- Anterior margin of head usually not well delimited, but if so, then ocelli on face below crown margin.................. 2
2. Pronotum strongly convex and declivous anteriorly; male subgenital plate short and concealed by pregenital sternite [Hyalojassini].............................................................................................. 5
- Pronotum slightly convex; male subgenital plate slender and extended beyond pregenital sternite [Iassini]............... 3
3. Style apophysis short and broad; apex of subgenital plate curved to middle............................ Iassus Fabricius
- Style apophysis slender, elongate; apex of subgenital plate straight............................. Batracomorphus Lewis
4. Forewings with extra crossveins in distal half (Figs. 3, 6); eighth sternite wide, with many longfine setae (Figs. 59–62); subgenital plates without setae laterally........................................................... Krisna Kirkaldy
- Forewings without extra crossveins in distal half; eighth sternite wide, without setae; subgenitalplate with many short spinelike setae laterally......................................................................... Gessius Distant
5 Subgenital plates with mesal margins convergent distally, apices strongly bent or with toothlike ventral projection................................................................................. Trocniassus Dai, Dietrich & Zhang
- Subgenital plates with mesal margins strongly divergent distally, apices unmodified................................ 6
6. Connective well delimited, joint with aedeagus flexible (Figs. 36)................... Decliviassus Dai, Dietrich & Zhang
- Connective membranous or immovably fused to aedeagus..................................................... 7
7. Sclerotized connective absent; apodeme of male style longer than apophysis (Fig. 14)...... Siniassus Dai, Dietrich & Zhang
- Sclerotized connective present; apodeme of male style shorter than pophysis....................................... 8
8. Forewing appendix well developed, more than half width of inner apical cell; subgenital plates close together at base or absent...................................................................................... Trocnadella Pruthi
- Forewing appendix weakly developed, less than half width of inner apical cell; subgenital plates well separated from each other at base.......................................................................................... 9
9. Ventral pygofer process well developed; aedeagus with bidentate distal processes..................... Coriojassus Evans
- Ventral pygofer process absent; aedeagus with distal processes, if present, without teeth................ Hyalojassus Evans
description: Published as part of Wang, Xian-Yi, Wu, Yun-Fei & Dai, Ren-Huai, 2018, Three new species of the leafhopper subfamily Iassinae (Hemiptera: Cicadellidae) from China, pp. 378-388 in Zootaxa 4442 (3) on page 380, DOI: 10.11646/zootaxa.4442.3.2, http://zenodo.org/record/1303707