Caprobolus Wesener, 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 : 72-73

publication ID 10.3897/zookeys.19.221

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Caprobolus Wesener

gen. nov.

Caprobolus Wesener View in CoL , gen. n.

Type species: Caprobolus andringitra View in CoL sp. n., monotypic

Diagnosis: mandible with a very short molar plate ( Fig. 40F View Figure 40 ), so far a unique character (but the shape of the mandible is only known for a few genera of Spirobolida ). Anterior and posterior gonopods of Caprobolus are unique for Spirobolida . Anterior gonopods with a conspicuously enlarged, slender sternite ( Fig. 41A View Figure 41 ), but sternite still much wider than in Spiromimus (Wesener and Enghof, 2009) . Telopodite of anterior gonopods prominently enlarged into unique, long, slender, sabre-like processes ( Fig. 41B View Figure 41 ). Basis of telopodite process projecting into a slender, well-rounded retrorse process ( Fig. 41B View Figure 41 ), which is present in numerous genera of Spirobolida . Telopodite of posterior gonopod longer than, but as wide as, coxite ( Fig. 41C View Figure 41 ). Telopodite basally deeply divided into two branches of almost similar width and length ( Figs 41 View Figure 41 C–E). Sperm canal is free, starting at basis of telopodite, only slightly attached to shorter, lateral main branch ( Fig. 41E View Figure 41 ). Sperm canal projecting as a flagellum above telopodite branches ( Fig. 41D View Figure 41 ). Shares a reddish colour pattern and a yellowish dorsal stripe with Spiromimus de Saussure & Zehntner, 1901 , Alluviobolus gen. n. and Ostinobolus gen. n. Gnathochilarium with a subdivided mentum and a single sclerotized ledge on each stipites ( Fig. 39E View Figure 39 ), like in Flagellobolus , Riotintobolus , Pseudocentrobolus , Granitobolus , Alluviobolus gen. n., Ostinobolus gen. n.

Distribution and ecology: only known from the rainforests of Andringitra, close by Ivohibe and Vevembe, located at the edge of the high plateau towards the east coast in the southern half of Madagascar ( Fig. 30 View Figure 30 ). The only known species of Caprobolus was collected in Andringitra together with a Spiromimus species.

Etymology: Caprobolus , masculine, composed of Capro -, formed after capricornus, which refers to the tropic of Capricorn where this genus was first collected, and -bolus.

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