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Holotype, male (Fig. 1a). Length 1.74 mm. Color black; elytra and pronotum with greenish-bronze lustre; antenna and tarsi ferruginous. Body subovate; in dorsal aspect and in profile with weak constriction between pronotum and elytron. Rostrum with indistinct, irregular, longitudinal ridges. Pronotum with weak subapical constriction; densely punctate. Elytra with striae deeply impressed, intervals weakly costate, subglabrous. Meso- and metafemur ventrally weakly dentate. Metafemur subapically without stridulatory patch. Aedeagus (Fig. 1b) with apex extended, pointed; body in profile at middle with marked depression; transfer apparatus relatively complex, symmetrical; ductus ejaculatorius with bulbus. Intraspecific variation. Length 1.50–1.74 mm. Female rostrum dorsally subglabrous.
Holotype (MZB): ARC0530 (EMBL # FN429236), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, S02°31.912', E140°30.416', 785 m, 02-XII-2007, sifted. Paratypes (SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani: 3 exx, ARC0531 (EMBL # FN429237), same data as holotype; 2 exx, ARC0550 (EMBL # FN429256), S02°31.776', E140°30.215', 945 m, 21-XI-2007, sifted; 4 exx, ARC0564 (EMBL # FN429270), S02°31.912', E140°30.416', 785 m, 02-XII-2007, sifted.
Jayapura Reg. (Cyclops Mts). Elevation: 785–945 m.
Sifted from leaf litter in montane forest.
This epithet is based on a combination of the Latin adjective aeneus (of bronze) and the noun penna (wing, elytron) and refers to its coloration.
Trigonopterus aeneipennis Riedel, sp. n. was coded as “Trigonopterus sp. 50” by Riedel et al. (2010) and Tänzler et al. (2012), respectively “Trigonopterus spax” in the EMBL/GenBank/DDBJ databases.
- 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