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Holotype, male (Fig. 101a). Length 2.06 mm. Color of antenna, tarsi, tibiae, and apex of femora ferruginous; head and pronotum black; elytra black, with ferruginous patches near base of intervals 3–4, transverse irregular band near middle and indistinct patches near apex. Body subovate; with weak constriction between pronotum and elytron; in profile with distinct constriction. Eyes large. Rostrum with median ridge and pair of submedian ridges, lateral furrow with row of overlapping almond-shaped white scales. Pronotum densely punctate, subapically squamose. Elytra with striae deeply impressed, intervals costate, sparsely squamose. Femora ventrally weakly dentate. Tibial uncus simple, curved. Metafemur subapically with stridulatory patch. Aedeagus (Fig. 101b) with sides of body bisinuate, converging; apex extended, pointed, curved ventrad; orifice well-defined, ovate; transfer apparatus flagelliform, subequal to body of aedeagus; ductus ejaculatorius basally swollen, without bulbus. Intraspecific variation. Length 1.68–2.16 mm. Ferruginous patches on elytra more or less numerous, in some specimens absent. Female rostrum dorsally subglabrous, punctate, with longitudinal ridges, only basally with scales.
Holotype (MZB): ARC0516 (EMBL # FN429222), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani, S02°32.031', E140°30.412', 710 m, 02-XII-2007, sifted. Paratypes (ARC, SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani: 3 exx, ARC0517 (EMBL # FN429223), ARC0687 (EMBL # FN429332), ARC0688 (EMBL # FN429333), same data as holotype; 4 exx, ARC0533 (EMBL # FN429239), ARC0615 (EMBL # HE615336), ARC0617 (EMBL # FN429274), Doyo, S02°32.478', E140°28.835', 365 m, 27-XI-2007, sifted; 8 exx, ARC0618 (EMBL # FN429275), ARC0619 (EMBL # FN429276), ARC0620 (EMBL # FN429277), Sentani, S02°31.594', E140°30.407', 1065 m, 21-XI-2007, sifted; 2 exx, ARC0643 (EMBL # HE615355), ARC0644 (EMBL # FN429292), Sentani, S02°32.221', E140°30.526', 575 m, 19-XI-2007, sifted; 1 ex, ARC0648 (EMBL # FN429296), Sentani, S02°32.291', E140°30.505', 515 m, 19-XI-2007, sifted; 5 exx, S02°32.031', E140°30.412', 710 m, 02-XII-2007, sifted; 3 exx, S02°31.912', E140°30.416', 785 m, 02-XII-2007, sifted; 1 ex, ARC0668 (EMBL # FN429315), Sentani, S02°31.603', E140°30.434', 1095 m, 28-XI-2007, sifted; 6 exx, S02°31.683', E140°30.281', 960 m, 21-XI-2007, sifted; 4 exx (1 marked ARC00116), Sentani, 1100 m, 23-XII-2004, sifted; 2 exx, Sentani, 1000 m, 23-XII-2004, sifted; 4 exx, Sentani, S02°32.221', E140°30.526', 575 m, 19-XI-2007, sifted; 3 exx, Sentani, S02°31.776', E140°30.215', 945 m, 21-XI-2007, sifted.
Jayapura Reg. (Cyclops Mts). Elevation: 365–1095 m.
Sifted from leaf litter in primary forest.
This epithet is a noun in apposition and refers to the generic name Zygops Schoenherr, a group with similar large eyes.
Trigonopterus zygops Riedel, sp. n. was coded as “Trigonopterus sp. 48” by Riedel et al. (2010) and Tänzler et al. (2012), respectively “Trigonopterus spav” in the EMBL/GenBank/DDBJ databases. The holotype and one paratype exhibit a relatively high divergence (5–13% uncorrected p-distance) from the other specimens. So far, we could not find other indications that they represent a cryptic species different from the remainder of paratypes, but the possibility cannot be ruled out.
- 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