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Holotype, male (Fig. 43a). Length 2.68 mm. Color black, elytra in basal third orange. Body slender, ovate; without constriction between pronotum and elytron; in profile evenly convex. Rostrum in apical third smooth; in basal 2/3 with median ridge and pair of sublateral ridges; furrows containing sparse row of setae. Eyes with dorsal margin carinate. Head bordering eye with bean-shaped impression. Pronotum subglabrous, sparsely punctate with minute punctures. Elytra subglabrous, punctation confused with minute punctures; striae hardly visible, impressed as very fine lines; lateral stria behind humeri with row of ca. 5 deep punctures. Femora subglabrous, including dorsum of metafemur without scales. Mesofemur on posterior surface with longitudinal ridge. Metafemur on posterior surface with indistinct longitudinal impression; dorsoposteriorly simple, subapically without stridulatory patch. Meso- and metatibia subapically simple, with uncus, without premucro. Aedeagus (Fig. 43b). Apex symmetrical, with median acute extension; transfer apparatus small, dentiform; endophallus without distinct sclerites; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.50–2.93 mm. Color of elytral base orange in specimens from Goroka, dark ferruginous in specimens from Okapa.
Holotype (SMNK): ARC1052 (EMBL # HE615683), PAPUA NEW GUINEA, Eastern Highlands Prov., Goroka, Mt. Gahavisuka, S06°00.864', E145°24.779', 2150–2250 m, 22-IX-2009. Paratypes (NAIC, SMNK, ZSM): PAPUA NEW GUINEA, Eastern Highlands Prov.: 2 exx, ARC1051 (EMBL # HE615682), ARC1053 (EMBL # HE615684), same data as holotype; 3 exx, Goroka, Mt. Gahavisuka, S06°00.864', E145°24.779', 2150–2280 m, 24-X-2009; 2 exx, ARC1836 (EMBL # HE616113), ARC1837 (EMBL # HE616114), Okapa, Konafi to Isimomo, S06°25.593', E145°34.862', 1911–2131 m, 18-III-2010; 2 exx, ARC1838 (EMBL # HE616115), Okapa, Kimiagomo village, Afiyaleto, S06°25.593', E145°34.862' to S06°25.212', E145°35.498', 1911 m, 18-III-2010.
Eastern Highlands Prov. (Goroka, Okapa). Elevation: 1911–2150 m.
Beaten from foliage of montane forests.
This species is named in honour of our colleague Katayo Sagata (Goroka) who greatly supported our field-work in PNG and who collected some of the specimens.
- 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