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Holotype, male (Fig. 80a). Length 1.98 mm. Color black; antenna and tarsi light ferruginous; tibiae, femora, and head deep ferruginous. Body subovate; in dorsal aspect with distinct constriction between pronotum and elytron; in profile evenly convex. Rostrum rugose-punctate; epistome weakly, transversely swollen. Pronotum deeply rugose-punctate, each puncture containing one scale; majority of scales narrow, ochre; few scales almond-shaped, white. Elytra with striae deeply impressed; strial punctures with same set of scales as pronotum; intervals costate, largely subglabrous, but with scattered scales. Femora dentate. Metafemur with simple dorsoposterior edge, subapically with stridulatory patch. Aedeagus (Fig. 80b) complex, laterally incised, with dorsolateral well-sclerotized flanges; apex subtruncate, sparsely setose. Endophallus with various sclerites. transfer apparatus drop-shaped, apically pointed; ductus ejaculatorius with weak bulbus. Intraspecific variation. Length 1.86–2.28 mm. Color ferruginous in some possibly teneral specimens. Scattered scales on elytra more or less numerous.
Holotype (MZB): ARC0736 (EMBL # HE615419), WEST NEW GUINEA, Jayawijaya Reg., Jiwika, Kurulu, S03°57.161', E138°57.357', 1875 m, 24-XI-2007, sifted. Paratypes (ARC, SMNK, ZSM): WEST NEW GUINEA, Jayawijaya Reg., Jiwika, Kurulu: 1 ex, ARC1715 (EMBL # HE615995), S03°57.161', E138°57.357', 1875 m, 12-VII-2010, sifted; 2 exx (1 marked ARC0080), ca. 1700–2300 m, 02-IX-1991, sifted; 9 exx, 1900–2000 m, 23-IX-1992, sifted; 2 exx, 1900–2050 m, 24-X.1993.
Jayawijaya Reg. (Jiwika). Elevation: 1875–1900 m.
Sifted from leaf litter in montane forest.
This epithet is based on the Latin adjective sordidus (dirty) and refers both to the occurrence of incrustations and the species´ general appearance making it hard to distinguish from a grain of dirt.
- 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
- 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