Scaphoidella Vilbaste 1968

Key to species (males) of Scaphoidella (modified from Dai & Dietrich, 2011 and Xing & Li, 2015) 1. Pygofer with conspicuous spine on dorsal margin............................................................ 2 – Pygofer without spine on dorsal margin................................................................... 5 2. Pygofer with ventrally directed spine on caudal margin (Viraktamath & Mohan, 2004: fig. 218)............................................................................................... S. zhangi (Viraktamath & Mohan) – Pygofer with caudal margin round, without spine............................................................ 3 3. Pygofer with dorsal spine long (Dai & Dietrich, 2011: fig. 51); aedeagal shaft in lateral view straight (Dai & Dietrich, 2011: fig. 55)........................................................................... S. clavatella Dai & Dietrich – Pygofer with dorsal spine shorter; aedeagal shaft in lateral view with apex curved dorsally........................... 4 4. Crown with submarginal arcuate piceous thin band not interrupted at middle (Dai & Dietrich, 2011: fig. 78); pygofer rounded apically in lateral view (Dai & Dietrich, 2011: fig. 81).................................... S. punctulata (Melichar) – Crown with submarginal arcuate piceous thin band interrupted at middle (Dai & Dietrich, 2011: fig. 6); pygofer tapering posteriorly from midlength in lateral view (Dai & Dietrich, 2011: fig. 47)............... S. viraktamathi Dai & Dietrich 5. Pygofer side with caudal process......................................................................... 6 – Pygofer side without caudal process..................................................................... 10 6. Subgenital plate with lateral macrosetae arranged irregularly.................................................. 7 – Subgenital plate with lateral macrosetae in single row........................................................ 8 7. Pygofer process long; subgenital plate tapered apically; basal processes of aedeagus extending to near apex of shaft (Zhang & Dai, 2006: figs 14–17).............................................................. S. undosa Zhang & Dai – Pygofer process short; subgenital plate rounded apically; basal processes of aedeagus. extending beyond shaft (Zhang & Dai, 2006: figs 4–7)...................................................................... S. arboricola Vilbaste 8. Aedeagal shaft with a pair of lateral processes at apex (Zhang & Dai, 2006: figs 28–29)............ S. stenopaea Anufriev – Aedeagal shaft without apical process..................................................................... 9 9. Style apical process moderately long (Xing & Li, 2015: fig. 18)......................... S. brevissima Dai, Xing & Li – Style apical process very long (Zhang & Dai, 2006: fig. 39).............................. S. unihamata (Li & Kuoh) 10. Aedeagal shaft in ventral view bifid at apex, branches divergent (Dai & Dietrich, 2011: fig. 42). S. bifurcata Dai & Dietrich – Aedeagal shaft not bifid at apex........................................................................ 11 11. Apical margin of aedeagal shaft with many small spines on both sides (Xing & Li, 2015: figs 34–35)... S. dietrichi Xing & Li – Aedeagal shaft without small spinose processes............................................................ 12 12. Subgenital plates short, rounded apically.................................................................. 13 – Subgenital plates long, subequal or longer than pygofer in lateral view, narrowing to rounded apex.................... 16 13. Crown with a broad transverse dark band between ocelli (Fig. 3); style with apical process short, 1/4-1/5 length of style; basal processes of aedeagus slightly exceeding the length of aedeagal shaft in lateral view (Figs 11–13)........... S. lii sp. nov. – Crown with a narrow transverse dark band between ocelli with bordered pale yellow;..style with apical process elongate, 1/2 length of style; basal processes of aedeagus grately exceeding the length of aedeagal shaft in lateral view.............. 14 14. Aedeagus without apical process; aedeagal shaft without distal serration........................................ 15 – Aedeagus with pair of apical processes; distal expansions of aedeagal shaft serrate (Dai & Dietrich, 2011: figs 31–32).................................................................................. S. flangenella Dai & Dietrich 15. Aedeagal shaft with convex projection at midlength of ventral margin in lateral view; style with preapical lobe well developed (Dai & Dietrich, 2011: figs 44–46).................................................. S. cornuta Dai & Dietrich – Aedeagal shaft without convex projection on ventral margin in lateral view; style with. preapical lobe weakly developed (Dai & Dietrich, 2011: figs 61–63)................................................... S. dongnaiensis Dai & Dietrich 16. Style with preapical lobe well developed.................................................................. 17 – Style with preapical lobe weakly developed............................................................... 20 17. Aedeagal shaft compressed laterally, widening towards apex, rounded apically, ventral. margin with some apical teeth (Dai & Dietrich, 2011: figs 68–69)......................................................... S. digitatus Dai & Dietrich – Aedeagal shaft not compressed laterally, gradually tapered to round apex or slider wider at midlength, ventral margin without teeth.............................................................................................. 18 18. Aedeagal shaft in lateral view distinctly broadened near midlength; stem of connective nearly 1/3 length of arms (Zhang & Dai, 2006: figs 47, 50).............................................................. S. wideaedeaga (Wang & Li) – Aedeagal shaft in lateral view slender and not broadened near midlength; stem of connective and arms of approximately equal length............................................................................................. 19 19. Preatrium of aedeagus very long; style apical process with teeth (Xing & Li, 2015: figs 29–30).... S. denticlestyla Xing & Li – Preatrium of aedeagus short; style apical process without teeth (Zhang & Dai, 2006: figs 55–57). S. acaudata Zhang & Dai 20. Forewings bicolor, with basal third white and apical two thirds brown (Dai & Dietrich, 2011: figs 8, 20)............................................................................................. S. dimidiatus Dai & Dietrich – Forewing unicolor, ochraceous with hyaline whitish spots or brownish yellow with distinct white spots................ 21 21. Forewings ochraceous hyaline with whitish spots.......................................................... 22 – Forewings brownish yellow with distinct white spots (Dietrich et al. 2020: figs 5H–I)............................................................................................... S. albopunctata Dietrich & Nguyen & Pham 22. Aedeagal shaft slender distally, with pair of slender, distally directed preapical processes........(in addition to paired basal processes); basal processes S-shaped in lateral view (Dai & Dietrich, 2011: figs 36–37)...... S. coronoida Dai & Dietrich – Aedeagal shaft expanded distally, without slender preapical processes, with paired dorsolateral preapical lamellae; basal processes straight in lateral view (Dai & Dietrich, 2011: figs 27–28, 31–32)................... S. lamella Dai & Dietrich