Hylekobolus anjanaharibe 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 : 118-119

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

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scientific name

Hylekobolus anjanaharibe Wesener

sp. nov.

Hylekobolus anjanaharibe Wesener View in CoL , sp. n.


Material examined: 1 ♂, 1 ♀ Holotype: 1 ♂ (52 mm long), BLF CAS 8152, Madagascar, Province Toamasina, Montagne d’Anjanaharibe , 19.5 km 27° NNE Ambinanitelo, montane rainforest, 1100 m, 15°10’42” S, 049°38’06” E, leg. Fisher, Griswold et al., 12–16.III.2003 GoogleMaps Paratype: 1 ♀, BLF CAS 8152, same data as holotype GoogleMaps .

Differential diagnosis: the posterior gonopods of H. anjanaharibe sp. n. are very wide, unique for Hylekobolus . The apical membranous area (y) is greatly enlarged, forming two large lobes ( Fig. 66B View Figure 66 ).

Description. Measurements: male with 50 rings, circa 52 mm long, 3.8 mm wide. Female (with eggs) with 50 rings, 54 mm long, 4.2 mm wide.

Coloration: faded in alcohol. Central part of collum, anterior parts of rings, head and anal valves dark green, appendages, posterior margin of rings and preanal process light brown. Eyes with 32–34 ocelli.

Anterior gonopod sternite wide, with a well-rounded tip ( Fig. 66A View Figure 66 ). Mesal coxite process slender and elongated ( Fig. 66A View Figure 66 ). Apical process of telopodite large and wellrounded. Retrorse margin wide, slightly projecting above telopodite ( Fig. 66C View Figure 66 ); margin basally of process not projecting ( Fig. 66C View Figure 66 ).

Posterior gonopods telopodite always straight ( Fig. 66D View Figure 66 ). telopodite of posterior gonopod only 1.5 times longer than wide ( Fig. 66B View Figure 66 ). Projection absent from lateral margin (w, Fig. 66B View Figure 66 ), but area and tip completely covered by a whitish membranous area. Apical process (x) absent ( Fig. 66B View Figure 66 ). Membranous lobe (y) bilobed, very large, covering whole tip ( Fig. 66B View Figure 66 ). Projection of sperm canal (z) long and slender ( Fig. 66D View Figure 66 ).

Distribution and ecology: H. anjanaharibe sp. n. is currently only known from Anjanaharibe, a mountain in north Madagascar ( Fig. 54 View Figure 54 ).

Etymology: anjanaharibe , noun in apposition, refers to the type locality, Anjanaharibe.

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