Sphaeronemoura Shimizu & Sivec 2001
Creators: name: Zhu, Ya-Fei
name: Du, Yu-Zhou
Publisher: name: Zenodo
Year: 2024
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Plecoptera
Nemouridae
Sphaeronemoura

description: Key to Sphaeronemoura males (modified from Sivec & Stark 2010)
1. Tergum 10 unmodified................................................................................. 2
- Tergum 10 with a projection on either side near epiproct...................................................... 3
2. Epiproct flagellum in dorsal aspect shaped like a question mark; outer lobe of paraproct apically swollen; cerci without apical or subapical spine......................................................................... S. paraproctalis
- Epiproct flagellum in dorsal aspect long, slender and hooked at tip; outer lobe of paraproct narrowed at tip; cerci with apical and subapical spines......................................................................... S. spinacercia
3. Tergum 8 unmodified.................................................................................. 4
- Tergum 8 modified, protruding posteriorly................................................................ 11
4. Cercus unmodified.................................................................................... 5
- Cercus large and elongate, with a medial finger-like projection...................................... S. grandicauda
5. Epiproct flagellum apex curved.......................................................................... 6
- Epiproct flagellum apex straight.................................................................. S. elephas
6. Apex of flagellum acute................................................................................ 7
- Apex of flagellum blunt................................................................................ 9
7. Inner paraproct lobe longer than median lobe............................................................... 8
- Inner paraproct lobe shorter than median lobe, outer lobes thumb shaped................................. S. malickyi
8. Inner paraproct lobe finger-like, apex blunt............................................................ S. siveci
- Inner paraproct lobe slender and triangular, apex acute................................................. S. hainana
9. Outer paraproct lobe slightly wider than inner lobe.................................................. S. hamistyla
- Outer paraproct lobe not wider than inner lobe............................................................. 10
10. Outer paraproct lobe thumb shaped,............................................................... S. shimizui
- Outer paraproct lobe slender, apex of flagellum foot shaped............................................... S. poda
11. Legs brown with wide yellow femoral band............................................................... 12
- Legs uniformly brown................................................................................ 13
12. Inner paraproct lobe apex bifurcate and pointed.................................................. S. kunmingensis
- Inner paraproct lobe simple, without apex bifurcate................................................ S. inthanonica
13. Tergum 8 process bilobed.............................................................................. 14
- Tergum 8 process entire............................................................................... 17
14. Tergum 8 process asymmetrical................................................................ S. asymmetria
- Tergum 8 process symmetrical.......................................................................... 15
15. Cercus with four knobs at apex................................................................. S. tetragona
- Cercus without four knobs at apex....................................................................... 16
16. Epiproct flagellum with an acute apex............................................................. S. separata
- Epiproct flagellum without an acute tip; cercus truncate................................................ S. plutonis
17. Tergum 8 process barely projecting beyond posterior margin of tergum 8................................ S. formosana
- Tergum 8 process projecting well beyond posterior margin of tergum 8.......................................... 18
18. Tergum 8 process recurved and bow-shaped or subquadrate................................................... 19
- Tergum 8 process nearly trapezoidal..................................................................... 20
19. Tergum 8 process recurved and bow-shaped; cercus bilobed, swollen like crab claws.............. S. fanjingshana sp. nov.
- Tergum 8 process subquadrate.................................................................. S. songshana
20. Flagellum with multiple distinct curves......................................................... S. multicurvata
- Flagellum without multiple distinct curves................................................................ 21
21. Median paraproct lobe bilobed.................................................................. S. acutispina
- Median paraproct lobe entire; cercus apex slightly trifurcate.......................................... S. campylura
description: Published as part of Zhu, Ya-Fei & Du, Yu-Zhou, 2024, A new species of Sphaeronemoura (Plecoptera: Nemouridae) from Guizhou, China with a revised key to males of this genus, pp. 373-380 in Zootaxa 5529 (2) on page 379, DOI: 10.11646/zootaxa.5529.2.8, http://zenodo.org/record/14022545