Carabdytes upin tindige
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Ordo: Coleoptera
Familia: Dytiscidae
Genus: Carabdytes
Name
Carabdytes upin Skale & Tänzler & Hendrich & Balke, 2012 ssp.n. – Wikispecies link – Pensoft Profile
Type locality
West Papua, Arfak Mountains, Siyoubrig , 01°06.26'S, 133°54.41'E.
Description
Holotype: ♂ (MZB): Indonesia, West Papua, Arfak Mountains, stream near Siyoubrig 01°06.26'S, 133°54.41'E, 1400–1800 m, 24. –28.II.2007, leg. A. Weigel. Paratypes: 2♂♂ 1 ♀ (CSH, ZSM): same locality data as holotype (the female was sequenced).
Habitus as in Fig. 3; total length: 11.6–12.0 mm; total width: 5.3–5.5 mm. Dark brown to almost black; labrum, lateral margin of pronotum and all body appendages paler reddish brown; elongate.
Colour
Head black, labrum reddish brown, clypeus with indistinctly reddish colour almost reaching eyes; head with indistinctly reddish patch on frons. Pronotum black, with indistinctly median reddish patch, posterior angles reddish. Ventral surface blackish. Venter dark brown.
Structures. Head with fine, sparse punctation interspersed with coarser punctures between eyes and behind anterior clypeal margin. Pronotum shining, posterior angles with irregular, coarse punctures, lateral margin very strongly. Elytra shining with very indistinctly punctures; each elytra with four rows of coarser, moderately arranged punctures. Lateral wing of metaventrite broad and tongue-shaped; outer margin slightly sinuate; last abdominal ventrite medially emarginate. Legs long and slender.
Male. Pro- and mesotarsal claws of similar structure; anterior and posterior claws moderately long and evenly curved; Median lobe of aedeagus relatively slender (Fig. 3, shape in Carabdytes upin upin is identical); paramere slender, with distinctly longitudinal striation; setation more or less long (Fig. 3), the setation might be basally shorter in some specimens of Carabdytes upin upin (Fig. 3), but this difference does not appear constant.
Diagnosis
Distinguished from Carabdytes upin upin through the molecular and morphological characters mentioned in the results section under “morphology”. With Carabdytes upin upin there is no overall size difference (10.1–12.2 mm).
Habitat
Two individuals collected with an aquatic net from the rough gravel at the edge of a stream bed, the stream was rather dry at the time of collection (Fig. 4). The species co-occured with Platynectes spp., Exocelina (=Papuadytes) spp. and Hydraena cristatigena Jäch & Diaz. Two exemplars were collected with the help of a light trap, approx. 50 m away from the stream.
Distribution
So far known only from the type locality (Figs 1, 4).
Etymology
In loving memory of Samkris “Kris” Tindige, relentless conservationist in Papua, who left us too early. The beetles were collected in the stream bed very close to a birdwatching guesthouse set up by Kris and Shita Prativi above Siyoubrig village.
Taxon Treatment
- Skale, A; Tänzler, R; Hendrich, L; Balke, M; 2012: High mitochondrial DNA sequence divergence in New Guinea Carabdytes stream beetles and the taxonomist’s dilemma when other evidence is kind of subtle… (and collecting localities are far far away) ZooKeys, 247: 31-43. doi
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