Stirellus Osborn & Ball, 1902

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, Zootaxa 4895 (3), pp. 398-410 : 399-400

publication ID	https://doi.org/ 10.11646/zootaxa.4895.3.5
publication LSID	lsid:zoobank.org:pub:5702A0E3-325C-4FDF-8C77-6846E2DE952D
DOI	https://doi.org/10.5281/zenodo.4326819
persistent identifier	https://treatment.plazi.org/id/C253A769-5F73-FF92-FF68-11302980FE9F
treatment provided by	Plazi
scientific name	Stirellus Osborn & Ball
status

Treatment

Key to species of Stirellus Osborn & Ball View in CoL from Pakistan

1. Crown more than twice as long as width between eyes ( Fig. 1A, 1C View FIG )............................... S. capitatus View in CoL n. rec.

- Crown less than twice as long as width between eyes ( Figs 2A View FIG , 3A View FIG , 4A View FIG , 5A View FIG )...................................... 2

2. Crown and/or pronotum, mesonotum and scutellum with orange-red to brownish red markings ( Fig. 5 View FIG A–B)............. 3

- Crown and/or pronotum, mesonotum and scutellum without orange-red to brownish red markings ( Figs 2A View FIG , 3A View FIG , 4A View FIG )....... 5

3. Crown and pronotum, mesonotum and scutellum with longitudinal orange-red bands (See Shah et al., 2020: 192, Fig. 1 View FIG A–B)........................................................................................ S. kumratensis View in CoL

- Crown with transverse band, with or without surplus spots, orange-red to brownish-red ( Fig. 5 View FIG A–B)................... 4

4. Crown anterior margin rounded ( Fig. 5 View FIG A–E)............................................... S. rubrolineatus View in CoL n. rec.

- Crown anterior margin acutely angled (See Shah et al., 2020: 194, Fig. 3 View FIG A–C).......................... S. neoconvexus View in CoL

5. Aedeagus small, with apex not curved dorsad (See Shah et al., 2020: 195, Fig. 4H View FIG )....................... S. thattaensis View in CoL

- Aedeagus large, with apex curved dorsad ( Figs 2I View FIG , 3H View FIG , 4H View FIG ).................................................... 6

6. Subgenital plate with macrosetae not uniseriate laterally ( Fig. 3F View FIG )............................................... 7

- Subgenital plate with macrosetae uniseriate laterally ( Figs 2F View FIG , 4F View FIG )............................................... 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 View in CoL

- Crown with anterior margin not bulbous ( Fig. 3A, 3C View FIG ); subgenital plate not concave at near midlength ( Fig. 3F View FIG ); connective stem equal in length to anterior arms ( Fig. 3F View FIG ).............................................. S. pakhtunensis View in CoL sp. n.

8. Crown with subapical spots ( Fig. 2A, 2C View FIG ); pygofer lobe with few macrosetae ( Fig. 2E View FIG ).................. S. indrus n. rec.

- Crown without subapical spots ( Fig. 4A, 4C View FIG ); pygofer lobe without macrosetae ( Fig. 4E View FIG ).............................9

9. Crown acutely produced (See Shah et al., 2020: Figs 2A View FIG , 5A View FIG )................................................. 10

- Crown not acutely produced ( Fig. 4A, 4C View FIG )................................................................ 11

10. Crown 1.5x longer than breadth between eyes (See Shah et al., 2020: 193, Fig. 2A View FIG ). Pygofer lobe with caudal region curved (See Shah et al., 2020: 193, Fig. 2E View FIG )............................................................. S. lahorensis View in CoL

- Crown less than 1.5x longer than breadth between eyes (See Shah et al., 2020: 196, Fig. 5A View FIG ). Pygofer lobe with caudal region smooth (See Shah et al., 2020: 196, Fig. 5C View FIG )........................................................ S. viridulus View in CoL

11. Crown evenly rounded anteriorly ( Fig. 4A, 4C View FIG )................................................ S. rotundus View in CoL n. rec.

- Crown angularly rounded anteriorly (See Shah et al., 2020: 192, Figs 6A, 6C, 8A, 8D).......................... S. tolla View in CoL