Trigonopterus angulatus
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus angulatus Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 7a). Length 2.63 mm. Color black; antenna light ferruginous; tarsi and tibiae deep ferruginous. Body subovate-hexa-goniform; in dorsal aspect with shallow constriction between pronotum and elytron; in profile evenly convex. Rostrum in basal half with median and pair of submedian carinae; laterally somewhat flattened; with sparse suberect scales; epistome with transverse, angulate ridge. Pronotum with anterior margin curved dorsad, forming lateral angles; disk subglabrous, anteriorly densely coarsely punctate, towards sides forming edges; laterally in front and behind procoxa with cavity. Elytra subglabrous; intervals flat, with minute punctures; striae weakly incised on disk, towards glabrous sides forming edges; interval 7 subapically forming edge, apex angulate. Femora edentate. Metafemur dorsally squamose with indistinct suberect scales; in apical third without transverse row of setae, subapically with stridulatory patch. Aedeagus (Fig. 7b) apically subangulate, median tip truncate; with complex, symmetrical transfer apparatus; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 2.60–2.63 mm. No female specimen available.
Material examined
Holotype (SMNK): ARC1088 (EMBL # HE615718), PAPUA NEW GUINEA, Simbu Prov., Karimui Dist., Haia, S06°41.216', E145°00.945', 965 m, 27-IX-2009, sifted. Paratype (NAIC): 1 ex, ARC1098 (EMBL # HE615727): PAPUA NEW GUINEA, Simbu Prov., Karimui Dist., Haia, S06°40.976', E145°00.979', 1135 m, 27-IX-2009, sifted.
Distribution
Simbu Prov. (Haia). Elevation: 965–1135 m.
Biology
. Sifted from leaf litter in primary forest.
Etymology
This epithet is based on the Latin adjective angulatus (with angles) and refers to the outline of its body in dorsal aspect.
Notes
Trigonopterus angulatus Riedel, sp. n. was coded as “Trigonopterus sp. 194” by Tänzler et al. (2012)[1].
Original Description
- 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
Other References
- ↑ 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
Images
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