Riotintobolus, Wesener & Enghoff & Sierwald, 2009

Wesener, Thomas, Enghoff, Henrik & Sierwald, Petra, 2009, Review of the Spirobolida on Madagascar, with descriptions of twelve new genera, including three genera of ' fire millipedes' (Diplopoda), ZooKeys 19 (19), pp. 1-128: 50-51

publication ID

http://doi.org/ 10.3897/zookeys.19.221

publication LSID

lsid:zoobank.org:pub:C473F9F6-1AE7-4B3F-B17F-CA1C2709010C

DOI

http://doi.org/10.5281/zenodo.3791421

persistent identifier

http://treatment.plazi.org/id/1772122E-7836-FFF4-FF01-3B29AB0DEBE6

treatment provided by

Plazi

scientific name

Riotintobolus
status

 

Key to the Riotintobolus  species:

1 Tarsal pads absent ( Fig. 27FView Figure 27). Eyes with 20 or less ocelli ( Figs 26AView Figure 26, 27EView Figure 27). Anal valves with a deep groove between anterior half and sharp-edged lips ( Figs 26BView Figure 26, 27GView Figure 27) ......................................................................................... 2

– At least male legs 3–7 with tarsal pads ( Fig. 29CView Figure 29). Eyes with more than 25 ocelli. Anal valves with neither a groove, nor sharp-edged lips ( Figs 28AView Figure 28, 29AView Figure 29) .......................................................................................................... 3

2 Specimens 35–43 mm long. Colour laterally black, dorsally with a thick, light brown stripe ( Fig. 24AView Figure 24). Telopodite of posterior gonopod laterally with one large and second small finger-shaped process ( Fig. 26MView Figure 26)........ R. mandenensis  sp. n.

– Specimens shorter than 25 mm. Colour laterally black, dorsally with a thick, red stripe ( Fig. 27AView Figure 27). Telopodite of posterior gonopod laterally with two large finger-shaped processes of equal size ( Fig. 27KView Figure 27)................. R. minutus  sp. n.

3 Telson with an elongated, protruding preanal process, lips on anal valves well-developed ( Fig. 28AView Figure 28). Only male legs 3–7 with tarsal pads. Apical mem- brane on posterior gonopod weakly developed ( Fig. 28GView Figure 28). Telopodite at mesal margin with a suspicious horn ( Fig. 28FView Figure 28). Colour brown-blackish with a conspicuously wide light brown stripe.................................. R. aridus  sp. n.

– Telson preanal process not protruding, lips on anal valves weakly developed ( Fig. 29AView Figure 29). Male legs three and beyond with tarsal pads ( Fig. 29CView Figure 29). Apical membrane on posterior gonopod large, widely protruding ( Fig. 29FView Figure 29). Colour light grey, posterior margin of rings dark grey, dorsally with a conspicuous, wide blood-red stripe ..................................................... R. anomalus  sp. n.