Trigonopterus ixodiformis
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus ixodiformis Riedel sp. n. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype, male (Fig. 41a). Length 2.39 mm. Color black; elytral base and legs dark ferruginous, antenna light ferruginous. Body subovate, with shallow constriction between pronotum and elytron; in profile almost evenly convex. Rostrum scabrous, basally with indistinct median ridge; epistome forming angulate ridge. Pronotum moderately densely punctate. Elytra with striae marked by small punctures; interval 4 basally with cluster of few narrow, cream-colored, recumbent scales; interval 7 subapically forming indistinct ridge. Meso- and metafemur with anteroventral ridge distinctly dentate. Meso- and metatibia in basal half widened; dorsal edge basally denticulate; subapically narrowed; uncus large, peg-shaped. Metafemur with serrate dorsoposterior edge, subapically without stridulatory patch. Venter subglabrous, concave. Aedeagus (Fig. 41b) with sides of body in apical third converging, apex rounded; orifice retracted; endophallus weakly granulate; transfer apparatus symmetrical, heart-shaped frame relatively thin; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.75–2.39 mm. Female rostrum dorsally subglabrous, sparsely punctate; epistome simple.
Material examined
Holotype (MZB): ARC0762 (EMBL # HE615445), 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: 23 exx, ARC0763 (EMBL # HE615446), ARC0764 (EMBL # HE615447), same data as holotype; 4 exx, Mt. Meja, S00°51.400', E134°04.918', 225 m, 06-XII-2007, sifted; 16 exx, Mt. Meja, 200 m, 30-XII-2004, sifted; 6 exx, Mt. Meja, 200 m, 30-XII-2000, sifted; 9 exx, Mt. Meja, 22-23-IX-1990, sifted; 6 exx, Mt. Meja, 200 m, 19-IV-1993; 1 ex, ARC0772 (EMBL # HE615455), Arfak Mts, S01°01.465', E133°54.243', 685 m, 08-XII-2007, sifted.
Distribution
Manokwari Reg. (Mt. Meja, Arfak Mts). Elevation: 200–685 m.
Biology
Sifted from leaf litter in lowland forest.
Etymology
This epithet is a combination of the name Ixodidae and the Latin suffix -formis (having the form of) and refers to the species´ superficial resemblance with ticks.
Notes
Trigonopterus ixodiformis Riedel, sp. n. was coded as “Trigonopterus sp. 222” 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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