Sphaeronemoura Shimizu & Sivec 2001
Year: 2024
Type: other
Abstract: 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
Authors: Zhu, Ya-Fei, Du, Yu-Zhou
Institution: Yangzhou University
Language: English
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W6930393653
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