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Holotype, male (Fig. 76a). Length 1.40 mm. Color black; head, antenna, tarsi and tibiae ferruginous. Body subovate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum with indistinct, median ridge, sparsely setose. Eyes in subdorsal position, approximate. Pronotum with weak subapical constriction; disk with median ridge; densely punctate with large punctures; each puncture with curved, suberect, yellowish scale. Elytra with striae deeply impressed; each puncture with curved, suberect, yellowish scale; intervals weakly costate, subglabrous. Meso- and metafemur ventrally dentate. Metafemur subapically with stridulatory patch. Aedeagus (Fig. 76b) with apex extended, pointed, curved ventrad; transfer apparatus spiniform; ductus ejaculatorius with bulbus. Intraspecific variation. Length 1.40–1.60 mm. Female rostrum dorsally slightly flattened, in apical half subglabrous, weakly punctate.
Holotype (MZB): ARC0536 (EMBL # FN429242), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, S02°31.594', E140°30.407', 1065 m, 21-XI-2007, sifted. Paratypes (ARC, SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani: 2 exx, ARC0535 (EMBL # FN429241), ARC0537 (EMBL # FN429243), same data as holotype; 17 exx, S02°31.383', E140°30.490', 1275 m, 30-XI-2007, sifted; 20 exx, ARC0678 (EMBL # FN429323), ARC0679 (EMBL # FN429324), S02°31.281', E140°30.535', 1420 m, 30-XI-2007, sifted; 67 exx, ARC0684 (EMBL # FN429329), ARC0685 (EMBL # FN429330), S02°31.182', E140°30.542', 1510 m, 30-XI-2007, sifted; 6 exx, S02°31.425', E140°30.474', 1265 m, 30-XI-2007, sifted; 1 ex, S02°31.683', E140°30.281', 960 m, 21-XI-2007, sifted; 14 exx, 1000 m, 23-XII-2004, sifted; 5 exx, S02°31.594', E140°30.407', 1065 m, 21-XI-2007, sifted; 2 exx, Sentani, S02°31.603', E140°30.434', 1095 m, 28-XI-07, sifted; 5 exx, 1100 m, 23-XII-2004, sifted; 6 exx, 1200–1400 m, 09-VIII-1991, sifted; 44 exx, 300–1400 m, 10-VIII-1991, sifted; 2 exx, S02°31.516', E140°30.436', 1150 m, 21-XI-2007, sifted.
Jayapura Reg. (Cyclops Mts). Elevation: 960–1510 m.
Sifted from leaf litter in montane forest.
This species is named in honor of Stefan Scharf (Karlsruhe), who has spent months creating a 3D computer model of one of the paratypes.
- Riedel, A; Sagata, K; Surbakti, S; Rene Tänzler, ; Michael Balke, ; 2013: One hundred and one new species of Trigonopterus weevils from New Guinea ZooKeys, 280: 1-150. doi
- Riedel A, Daawia D, Balke M (2010) Deep cox1 divergence and hyperdiversity of Trigonopterus weevils in a New Guinea mountain range (Coleoptera, Curculionidae). Zoologica Scripta, 39 (1): 63-74. doi: 10.1111/j.1463-6409.2009.00404.x
- Tänzler R, Sagata K, Surbakti S, Balke M, Riedel A (2012) DNA barcoding for community ecology - how to tackle a hyperdiverse, mostly undescribed Melanesian fauna. PLoS ONE 7 (1): e28832. doi: 10.1371/journal.pone.0028832