Protosticta, Selys

Joshi, Shantanu, Sarkar, Vivek, Sawant, Dattaprasad, Pawar, Ujwala & Kunte, Krushnamegh, 2024, Description of Protosticta khasia sp. nov. and Yunnanosticta siangi sp. nov., with new records of P. samtsensis Gurung & Phan, 2023 from Northeast India (Odonata: Zygoptera: Platystictidae), Zootaxa 5448 (3), pp. 348-370 : 361

Key to male Protosticta species of Northeast India

1. Paraproct simple—not lobed, without basal and median spines ( Fig. 8e–f ), pterothorax unmarked................ P. fraseri

Paraproct lobed, with a basal spine, pterothorax with markings................................................. 2

2. Inwardly pointed spine on paraproct ( Fig. 8g )............................................................... 3

No inwardly pointed spine on paraproct................................................................... 4

3. Inwardly pointed spine on paraproct long and perpendicular to the paraproct; inwardly directed sharp spine on cerci mid-way ( Fig. 8g –h ), S8–9 dorsally blue................................................................ P. himalaiaca

Inwardly pointed spine on paraproct shorter and oblique to the paraproct; small tubercle on mid-way of cerci ( Fig.8i–j ), S8–9 dorsally brown.............................................................................. P. samtsensis

4. Apex of paraproct with two arms of almost equal length; cerci rectangular at apices ( Fig. 8b–d )................. P. khasia

Apex of paraproct with lower lobe longer and sharply pointed; cerci notched, bi-lobed at apices ( Fig. 8a )...... P. damacornu

Figures

FIGURE 8. Caudal appendages of Protosticta spp. All scale bars 0.5 mm. Protosticta damacornu: (a) ventro-lateral view. Protosticta khasia sp. nov.; (b) ventral view; (c) dorsal view; (d) lateral view. Protosticta fraseri: (e) dorsal view; (f) lateral view. Protosticta himalaica (redrawn from Fraser 1933): (g) dorsal view; (h) lateral view. Protosticta samstensis: (i) dorsal view; (j) lateral view.