Stirellus Osborn & Ball 1902
Creators: name: Shah, Bismillah
name: Naveed, Hassan
name: Duan, Yani
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Cicadellidae
Stirellus

description: Key to species of Stirellus Osborn & Ball from Pakistan
1. Crown more than twice as long as width between eyes (Fig. 1A, 1C)............................... S. capitatus n. rec.
- Crown less than twice as long as width between eyes (Figs 2A, 3A, 4A, 5A)...................................... 2
2. Crown and/or pronotum, mesonotum and scutellum with orange-red to brownish red markings (Fig. 5 A–B)............. 3
- Crown and/or pronotum, mesonotum and scutellum without orange-red to brownish red markings (Figs 2A, 3A, 4A)....... 5
3. Crown and pronotum, mesonotum and scutellum with longitudinal orange-red bands (See Shah et al., 2020: 192, Fig. 1 A–B)........................................................................................ S. kumratensis
- Crown with transverse band, with or without surplus spots, orange-red to brownish-red (Fig. 5 A–B)................... 4
4. Crown anterior margin rounded (Fig. 5 A–E)............................................... S. rubrolineatus n. rec.
- Crown anterior margin acutely angled (See Shah et al., 2020: 194, Fig. 3 A–C).......................... S. neoconvexus
5. Aedeagus small, with apex not curved dorsad (See Shah et al., 2020: 195, Fig. 4H)....................... S. thattaensis
- Aedeagus large, with apex curved dorsad (Figs 2I, 3H, 4H).................................................... 6
6. Subgenital plate with macrosetae not uniseriate laterally (Fig. 3F)............................................... 7
- Subgenital plate with macrosetae uniseriate laterally (Figs 2F, 4F)............................................... 8
7. Crown with anterior margin slightly bulbous (See Shah et al., 2020: 200, Fig. 9A); subgenital plate somewhat concave at near midlength (See Shah et al., 2020: 201, Fig. 10B); connective stem longer than anterior arms (See Shah et al., 2020: 201, Fig. 10C)...................................................................................... S. mankiensis
- Crown with anterior margin not bulbous (Fig. 3A, 3C); subgenital plate not concave at near midlength (Fig. 3F); connective stem equal in length to anterior arms (Fig. 3F).............................................. S. pakhtunensis sp. n.
8. Crown with subapical spots (Fig. 2A, 2C); pygofer lobe with few macrosetae (Fig. 2E).................. S. indrus n. rec.
- Crown without subapical spots (Fig. 4A, 4C); pygofer lobe without macrosetae (Fig. 4E).............................9
9. Crown acutely produced (See Shah et al., 2020: Figs 2A, 5A)................................................. 10
- Crown not acutely produced (Fig. 4A, 4C)................................................................ 11
10. Crown 1.5x longer than breadth between eyes (See Shah et al., 2020: 193, Fig. 2A). Pygofer lobe with caudal region curved (See Shah et al., 2020: 193, Fig. 2E)............................................................. S. lahorensis
- Crown less than 1.5x longer than breadth between eyes (See Shah et al., 2020: 196, Fig. 5A). Pygofer lobe with caudal region smooth (See Shah et al., 2020: 196, Fig. 5C)........................................................ S. viridulus
11. Crown evenly rounded anteriorly (Fig. 4A, 4C)................................................ S. rotundus n. rec.
- Crown angularly rounded anteriorly (See Shah et al., 2020: 192, Figs 6A, 6C, 8A, 8D).......................... S. tolla
description: Published as part of Shah, Bismillah, Naveed, Hassan & Duan, Yani, 2020, A new species and four new records of Stirellus Osborn & Ball (Hemiptera Cicadellidae: Deltocephalinae: Stenometopiini) from Pakistan with a revised key to species, pp. 398-410 in Zootaxa 4895 (3) on pages 399-400, DOI: 10.11646/zootaxa.4895.3.5, http://zenodo.org/record/4326829