Corallobolus Wesener,

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: 7-8

publication ID 10.3897/zookeys.19.221

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Corallobolus Wesener

gen. n.

Corallobolus Wesener  , gen. n.

Type species: Corallobolus cruentus  sp. n., monotypic

Diagnosis: distinguished from all other Malagasy spirobolidan genera by the following combination of characters: male tarsal pads present on legs of anterior body half only. Known specimens of Corallobolus  possess fewer body rings than in any other known large-bodied Malagasy spirobolidan genus, 44–46 body rings only. Gonopods unique for large-bodied Spirobolida  from Madagascar ( Figs 1E, FView Figure 1): telopodite of posterior gonopod of unique shape, relatively large, simple and with a well-rounded, blunt tip ( Fig. 1FView Figure 1). Sperm canal running along mesal margin and discharging just below tip, area surrounded by short membranous folds ( Fig. 2BView Figure 2). Shares a large body size (circa 100 mm) and aposematic red/black colour pattern ( Fig. 1AView Figure 1) with Aphistogoniulus Silvestri, 1897  , Madabolus Wesener & Enghoff, 2008  , Colossobolus  gen. n. and Sanguinobolus  gen. n.. Preanal process sharp-edged as in some Colossobolus  species, not extending beyond anal valves ( Fig. 1BView Figure 1). Male coxae 3 and 4 without processes, similar to Aphistogoniulus  species.

Distribution and ecology: only known from the montane rainforest in Andohahela ( Fig. 5View Figure 5). Sympatric with Aphistogoniulus  at Andohahela.

Etymology: Corallobolus  , masculine, is composed of corallinus  , coral-red, which refers to the blood-red colour pattern of the single constituent species, and - bolus a common suffix for genera in the order Spirobolida  .