Trigonopterus tridentatus
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus tridentatus Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 92a). Length 2.90 mm. Color black; antenna light ferruginous, legs dark ferruginous. Body subovate, with marked constriction between pronotum and elytron; in profile almost evenly convex. Rostrum in basal half with median carina continued to forehead; with pair of shorter submedian costae; at middle with anteriorly hollowed, heart-shaped protuberance; between protuberance and epistome relatively flat, with sparse erect setae; epistome with transverse, angulate ridge provided with three teeth, median tooth shorter than lateral ones. Pronotum with subapical constriction; disk densely punctate-rugose, lower parts microreticulate, median line subglabrous; laterally above procoxa with cavity. Elytra with striae deeply incised, intervals costate, densely punctate. Femora edentate. Metafemur with denticulate dorsoposterior edge, subapically with stridulatory patch. Abdominal ventrite 2 projecting dentiform over elytral edge in profile. Aedeagus (Fig. 92b) before angulate apex widened; transfer apparatus small, spiniform; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.14–2.90 mm. Female rostrum dorsally with low median costa bearing double-row of punctures, with lateral pair of furrows; epistome simple.
Material examined
Holotype (MZB): ARC0765 (EMBL # HE615448), WEST NEW GUINEA, Manokwari, Mt. Meja, S00°51.497', E134°04.949', 220 m, 05-XII-2007, sifted. Paratypes (ARC, SMNK, ZSM): WEST NEW GUINEA, Manokwari, Mt. Meja: 2 exx, ARC0606 (EMBL # HE615332), ARC0607 (EMBL # HE615333), same data as holotype; 11 exx, S00°51.400', E134°04.918', 225 m, 06-XII-2007, sifted; 1 ex, 22-23-IX-1990, sifted; 9 exx, 200 m, 19-IV-1993, sifted; 2 exx, 200 m, 30-XII-2000, sifted; 8 exx, 200 m, 30-XII-2004, sifted.
Distribution
Manokwari Reg. (Mt. Meja). Elevation: 200–225 m.
Biology
Sifted from leaf litter in lowland forest.
Etymology. This epithet is composed of the Latin prefix tri- (three) and the participle dentatus (toothed) and refers to the three apical teeth of the male rostrum.
Notes
Trigonopterus tridentatus Riedel, sp. n. was coded as “Trigonopterus sp. 265” 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
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