Eurymelinae
Creators: name: VIRAKTAMATH, C. A.
name: YESHWANTH, H. M.
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadellidae

description: Key to tribes and genera of Eurymelinae (excluding Macropsini) known from the Indian subcontinent
1. Forewing with third apical cell pedunculate (Fig. 2F); male style forked distally with ventral surface of inner fork serrate (Fig. 1F)…. …….……tribe Balocerini ........................................................ genus Balocha Distant
- Forewing with third apical cell not pedunculate (Fig. 59B); male style distally not forked (Fig. 8K).................... 2
2. Crown and upper part of face shagreen; apophysis of male style with angular projection in basal 0.33 (Fig. 52J)……………… ..................................................….tribe Megipocerini ......................................................... 3
- Crown and upper part of face striate (except in Idioscopus bimculatus species group); apophysis of male style without such a projection (Fig. 8K) (except in Idioscopus nitidulus species group).................tribe Idiocerini ...........................7
3. Face with lateral frontal sutures extending beyond antennal base and reaching or nearly reaching ocelli (Fig.8G)...........4
- Face with lateral frontal sutures not extending beyond bases of anternnae (Figs 52 CG).................. Busonia Distant
4. Forewing with cross veins before apical cells (Fig. 59B)...................................................... 5
- Forewing without cross veins before apical cells (Fig. 57E).....................................................6
5. Forewing with yellow and brown patches on subcostal area and with three closed subapical cells (Fig. 55A).. Chunra Distant
- Forewing without yellow and brown patches on subcostal area and with two closed subapical cells (Fig. 56F)........................................................................................... Ceylonoscopus Viraktamath
6. Forewing clavus with one vein (Fig. 57E); male pygofer and anal collar without processes (Fig. 57F).................................................................................................... Lankacerus Viraktamath
- Forewing clavus with two veins (Fig. 59F); male pygofer and anal collar with processes (Fig. 58J)...................................................................................................... .. Neoscopus Viraktamath
7. Pronotum transversely striate............................................................................ 8
- Pronotum shagreen, not transversely striate............................................................... 10
8. Clypellus parallel-sided (Fig. 37C)................................................... Nilgiriscopus Viraktamath
- Clypellus either narrowed (Fig. 42C) or widened distally (Fig. 9C).............................................. 9
9. Clypellus narrowed apically (Fig. 42C); aedeagus with poorly developed dorsal apodeme; pygofer without ventral process..................................................................................... Tasnimocerus Ghauri
- Clypellus broad apically (Fig. 29C); aedeagus with well-developed dorsal apodeme (Fig. 29I); pygofer with ventral process (Fig. 29F).......................................................................... Jogocerus Viraktamath
10. Metafemur distal macrosetae 2+0....................................................................... 11
- Metafemur distal macrosetae 2+1....................................................................... 12
11. Male style with two long stout setae at apex (Fig. 36K).................................. Metidiocerus Ossiannilsson
- Male style with one long stout seta at apex (Fig. 17H)............................................ Idiocerus Lewis
12. Style long and curved, apophysis often serrated ventrally, with row of long setae on dorsal margin or short row of long setae near apex (Figs 8K, 24G).............................................................................. 13
- Style short, neither curved, nor serrated ventrally, with short row of long setae at mid length and near apex (Fig. 14J)...................................................................................... Burmascopus Viraktamath
13. Ventral margin of male pygofer with triangular lobe near base (Fig. 15F); aedeagal shaft pustulate............................................................................................. Busoniomimus Maldonado-Capriles
- Ventral margin of male pygofer without triangular lobe (Fig. 20J); aedeagal shaft not pustulate........................14
14. Aedeagus with one or two pairs of fairly long apical or subapical processes directed basad (Figs 20L, 22G)............. 15
- Aedeagus without paired processes (Fig. 8L), if present, very short (Fig.9G) or directed apicad (Fig. 11H)...............17
15. Aedeagus with slender shaft, apex hooked and with one pair of subapical processes at least 0.66 length of shaft (Figs 38 EJN)....................................................................... Paraidioscopus Maldonado-Capriles
- Aedeagal shaft stouter, either with one pair of short processes (at most 0.33 as long as shaft) or two pairs of longer processes but of unequal length, apex not hooked (Figs 19F, 20L)...................................................... 16
16. Style with apex of apophysis dorsally curved, ventral surface not serrate (Fig. 30J).................... Keralus gen. nov.
- Style with apex of apophysis not dorsally curved, ventral surface serrate (Fig. 25G) or with one ventral tooth at midlength 24G)............................................................................ .. Idioscopus Baker (part)
17. Male pygofer with ventral process (Fig. 8J, 34H)........................................................... 18
- Male pygofer without ventral process (Figs 28F, 32F)....................................................... 19
18. Aedeagus with preatrium long, often longer than shaft, dorsal apodeme poorly developed (Figs 8L, 9G). Amritodus Anufriev
- Aedeagus with preatrium short or poorly developed, dorsal apodeme well-developed (Fig. 31H)........................................................................................................ Matangia gen. nov. (part)
19. Aedeagus short and robust in lateral view, shaft laterally sulcate (Fig. 28I)............................ Jogina gen. nov.
- Aedeagus long, slender, shaft not sulcate laterally (Fig. 41J)...................................................20
20. Forewing with three subapical closed cells (Fig. 59H); aedeagus with preatrium poorly developed (Figs 31H, 40K)...... 21
- Forewing with two subapical closed cells (Fig. 59B); aedeagus with preatrium well-developed (Fig. 44H)...............22
21. Style with preapical lobe well-developed, apophysis with lateral longitudinal lamellate extension (Fig. 40J)....................................................................................... Periacerus Viraktamath & Parvathi
- Style without preapical lobe, apophysis without lateral longitudinal lamellate extension (Fig. 31G)...................................................................................................... Matangia gen. nov. (part)
22. Aedeagus with shaft apex attenuated and often whip-like, shaft often strongly sinuate, without apical triangular unpaired process dorsally (Figs 44H, 45G, 48M)............................................................. Ulavius gen. nov.
- Aedeagus with shaft apex not attenuated, with apical unpaired dorsal triangular process (Fig. 13H).... Bellacerus gen. nov.
description: Published as part of VIRAKTAMATH, C. A. & YESHWANTH, H. M., 2024, Arboreal eurymeline leafhoppers (Hemiptera: Cicadellidae: Eurymelinae) of the Indian subcontinent with description of new genera and eight new species, pp. 1-125 in Zootaxa 5462 (1) on pages 10-11, DOI: 10.11646/zootaxa.5462.1.1, http://zenodo.org/record/11610410