Hylekobolus analavelona 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 : 112-114

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

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scientific name

Hylekobolus analavelona Wesener

sp. nov.

Hylekobolus analavelona Wesener View in CoL , sp. n.


Material examined: 4 ♂, 6 ♀, 3 imm. Holotype: 1 ♂ (56 mm long), FMMC 5429, Province Toliara, Forêt de Analavelona, near spring of Manasay River , undisturbed mid-elevation forest with dry and humid elements, 1250 m, 22°38.6’ S, 44°10.3’ E, leg. S. Goodman, 2–8.XI.2000, pitfall trap GoogleMaps . Paratypes: 4 ♀, 2 imm., FMMC 5429, same data as holotype GoogleMaps .

Other material examined: 3 ♂, 2 ♀, 1 imm., CAS BLF 7819 (kmp-fm-068), Province Toliara, Forêt de Analavelona , montane rainforest, 1100 m, 22°40’30’’ S, 44°11’24’’ E, leg. Griswold, Fisher et al., 18–22.XI.2003 GoogleMaps .

Differential diagnosis: H. analavelona has a unique green/brown colour pattern ( Figs 62A, B View Figure 62 ). The colour pattern and gonopods clearly identify this species. The gonopods feature a unique combination of characters: the anterior gonopods carry a short

mesal coxite process ( Fig. 62D View Figure 62 ), the retrorse telopodite process is wide and projecting ( Fig. 62F View Figure 62 ), the apical process (x) of the posterior gonopods is 4–5 times wider than the sperm canal ( Fig. 62E View Figure 62 ).

Description. Measurements: male holotype with 45 rings, 56 mm long, 3.6 mm wide. Females with 45 rings, 49–56mm long, 4.65–5.1 mm wide.

Coloration: collum and posterior half of body rings light brown ( Fig. 62A View Figure 62 ). Body rings in anterior half only laterally with dark green colour, dorsally light brown. Each body ring dorsally with an isolated dark green spot. Legs and antennae light brown ( Fig. 62B View Figure 62 ). Eyes with 32–34 ocelli ( Fig. 62A View Figure 62 ).

Anterior gonopod sternite basally wide, apically elevated into a wide, well-rounded rectangular process ( Fig. 62D View Figure 62 ). Mesal process of coxite wide and only slightly protruding ( Fig. 62D View Figure 62 ). Apical telopodite process large and well-rounded. Retrorse margin wide, projecting above telopodite margin ( Fig. 62F View Figure 62 ); margin basally of apical process not projecting ( Fig. 62F View Figure 62 ).

Posterior gonopods telopodite bent 90° ( Fig. 62G View Figure 62 ). Projection absent from lateral margin (w, Fig. 62E View Figure 62 ). Tip of apical process (x) sharp-edged, basally slender, 4–5 times as wide as sperm canal ( Fig. 62E View Figure 62 ). Membranous lobe (y) large and well-rounded ( Fig. 62E View Figure 62 ). Projection of sperm canal (z) long and slender, running parallel to apical process ( Fig. 62E View Figure 62 ).

Distribution and ecology: only known from the Analavelona Mountain ( Fig. 54 View Figure 54 ), an isolated hilltop with rainforest in the otherwise dry southwestern region of Madagascar (DuPuy and Moat 2007).

Etymology: analavelona , noun in apposition, after the only place where this species can be found, the Analavelona Mountain ( Fig. 54 View Figure 54 ).



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