Rhopalopsole

Stark, Bill P., Sivec, Ignac & Shimizu, Takao, 2012, Notes On Rhopalopsole Klapálek (Plecoptera: Leuctridae), With Descriptions Of Three New Species From Vietnam, Illiesia 8 (13), pp. 134-140 : 139-140

Key to Male Vietnamese Rhopalopsole

1 Abdominal sternum 9 without vesicle ( Fig. 2 in Harrison & Stark 2008) …………….….. R. alobata

1’ Vesicle present on abdominal sternum 9 ( Fig. 2 ) …………………………………………………….... 2

2 Spine-like process on segment 10 forked ( Figs. 6 , 8 in Harrison & Stark 2008) …………………….… 3

2’ Spine-like process on segment 10 unforked ( Fig. 1 ) ……………………………………………………… 4

3 Fused paraprocts deeply notched, posteromedian margin of tergum 9 with a slender, wide sclerotized area ( Fig. 6 in Harrison & Stark 2008) ……….………………………………..… R. sinensis

3’ Fused paraprocts without notch, posteromedian margin of tergum 9 with a minute, triangular sclerotized area (Fig. 20.1 in Sivec et al. 2008) …………………….…………………. R. vietnamica

4 Posteromedian margin of tergum 9 bearing a single dark sclerotized area ( Fig. 1 ) …………… 5

4’ Dark sclerotized area on posteromedian margin of tergum 9 divided or notched ( Fig. 8 ) …..…... 6

5 Posterolateral spine on tergum 10 acute, welldeveloped, cerci with small terminal spine ( Fig. 1 ) ………………………………………………. R. azun

5’ Posterolateral spine on tergum 10 poorly developed, scarcely projecting, cerci without spine (Fig. 40.1 in Sivec et al. 2008) …………………..……….……………….. R. sipang

6 Dark sclerotized areas on posterior margin of tergum 9 widely separated ( Fig. 5 ) …… R. minima

6’ Dark sclerotized areas on posterior margin of tergum 9 separated by a narrow gap or notch ( Fig. 8 , and Fig. 5.1 in Sivec et al. 2008) ……………... 7

7 Dark sclerotized area on posterior margin of tergum 9 upturned and projecting beyond margin ( Fig. 8 ); spine on tergum 10 apically truncate (Figs. 8,10) …………………………………. R. sapa

7’ Dark sclerotized area on posterior margin of tergum 9 flat and not projecting beyond margin ( Fig. 5.1 in Sivec et al. 2008); spine on tergum 10 acute ( Fig. 5.3 in Sivec et al. 2008) …….. R. tamdao

Figures

Figs. 1-4. Rhopalopsole azun structures. 1. Male terminalia, dorsal. 2. Male terminalia, ventral. 3. Male terminalia, lateral. 4. Female terminalia, ventral.

Figs. 5-7. Rhopalopsole minima structures. 5. Male terminalia, dorsal. 6. Male terminalia, ventral. 7. Male terminalia, lateral.

Figs. 8-11. Rhopalopsole sapa structures. 8. Male terminalia, dorsal. 9. Male terminalia, ventral. 10. Male terminalia, lateral. 11. Female terminalia, ventral.