Trigonopterus dimorphus

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This page should be cited as follows (rationale):
Riedel A, Tänzler R, Balke M, Rahmadi C, Suhardjono Y (2014) Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands. ZooKeys (467) : 1–162, doi. Versioned wiki page: 2017-04-10, version 138523, https://species-id.net/w/index.php?title=Trigonopterus_dimorphus&oldid=138523 , contributors (alphabetical order): Pensoft Publishers.

Citation formats to copy and paste

BibTeX:

@article{Riedel2014ZooKeys,
author = {Riedel, Alexander AND Tänzler, Rene AND Balke, Michael AND Rahmadi, Cahyo AND Suhardjono, Yayuk R.},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands},
year = {2014},
volume = {},
issue = {467},
pages = {1--162},
doi = {10.3897/zookeys.467.8206},
url = {http://zookeys.pensoft.net/articles.php?id=4347},
note = {Versioned wiki page: 2017-04-10, version 138523, https://species-id.net/w/index.php?title=Trigonopterus_dimorphus&oldid=138523 , contributors (alphabetical order): Pensoft Publishers.}

}

RIS/ Endnote:

TY - JOUR
T1 - Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands
A1 - Riedel A
A1 - Tänzler R
A1 - Balke M
A1 - Rahmadi C
A1 - Suhardjono Y
Y1 - 2014
JF - ZooKeys
JA -
VL -
IS - 467
UR - http://dx.doi.org/10.3897/zookeys.467.8206
SP - 1
EP - 162
PB - Pensoft Publishers
M1 - Versioned wiki page: 2017-04-10, version 138523, https://species-id.net/w/index.php?title=Trigonopterus_dimorphus&oldid=138523 , contributors (alphabetical order): Pensoft Publishers.

M3 - doi:10.3897/zookeys.467.8206

Wikipedia/ Citizendium:

<ref name="Riedel2014ZooKeys">{{Citation
| author = Riedel A, Tänzler R, Balke M, Rahmadi C, Suhardjono Y
| title = Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands
| journal = ZooKeys
| year = 2014
| volume =
| issue = 467
| pages = 1--162
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.467.8206
| url = http://zookeys.pensoft.net/articles.php?id=4347
| pmc =
| accessdate = 2019-10-16

}} Versioned wiki page: 2017-04-10, version 138523, https://species-id.net/w/index.php?title=Trigonopterus_dimorphus&oldid=138523 , contributors (alphabetical order): Pensoft Publishers.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus

Name

Trigonopterus dimorphus Riedel sp. n.Wikispecies linkZooBank linkPensoft Profile

Diagnostic description

Holotype, male (Fig. 25a). Length 3.80 mm. Color of tarsi, tibiae and antennae ferruginous, remainder black. Body elongate; in dorsal aspect with marked constriction between pronotum and elytron; in profile dorsally evenly convex. Rostrum with median carina terminating on forehead and pair of submedian ridges; intervening furrows each with row of erect piliform scales; epistome with transverse, angulate ridge. Pronotum anterolaterally projecting, rounded; with subapical constriction; disk densely punctate, interspaces subglabrous; each puncture containing recumbent seta; disk with pair of submedian, shallow impressions. Elytra with striae weakly impressed, partly indistinct; intervals flat; punctation confused, more dense towards base, near basal margin punctures partly confluent; each puncture containing small recumbent seta; interspaces microreticulate; interval 7 swollen subapically, laterally weakly projecting; sutural interval at apex markedly swollen, forming pair of rounded apical protrusions. Anteroventral ridge of femora forming blunt tooth. Metafemur subapically with stridulatory patch. Abdominal ventrite 5 with broad impression, densely punctate, setose with erect setae. Penis (Fig. 25b) with sides of body subparallel; apex broadly rounded; transfer apparatus distinct, compact; apodemes 1.6 × as long as body; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.94–3.80 mm. Integument of males dull, microreticulate; females with punctures sparser and smaller, interspaces polished. Female rostrum dorsally with glabrous median costa bordered by submedian and sublateral pairs of furrows; epistome simple. Female elytra with lateral contour evenly convex to apex; male elytra with lateral contour at humeri subangulate, in straight line to apex. Female abdominal ventrite 5 flat.

Material examined

Holotype (MZB): ARC0211 (EMBL # LM655433), West Java Prov., Mt. Halimun N.P., Citalahab, sample 2, S06°44.503', E106°31.550', 1200 m, 12-IX-2005. Paratypes (ARC, MZB, SMNK): W-Java Prov., Mt. Halimun N.P.: 3 exx, ARC0101, W-Java Prov., Mt. Halimun N.P., Citalahab, S06°44.503', E106°31.550', 1150 m, 20-21-IX-2004; 10 exx, ARC0212 (EMBL # LM655434), ARC0213 (EMBL # LM655435), same data as holotype; 1 ex, Citalahab, sample 1, S06°44.423', E106°31.738', 1100 m, 12-IX-2005; 2 exx, ARC0170, N Ciptarasa, sample 3, S06°49.867', E106°30.085', 1100 m, 19-IX-2005; 2 exx, ARC0216 (EMBL # LM655438), ARC0217 (EMBL # LM655439), Panguyangan, Mt. Talaga, ca.1000 m, 17-IX-2005.

Distribution

W-Java Prov. (Mt. Halimun N.P.). Elevation: 1000–1200 m.

Etymology

This epithet is a combination of the prefix di- (two, double) and the adjective derived from the Greek morphe (gestalt).

Notes

Trigonopterus dimorphus Riedel, sp. n. was coded as “Trigonopterus sp. 293”.

Original Description

  • Riedel, A; Tänzler, R; Balke, M; Rahmadi, C; Suhardjono, Y; 2014: Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands ZooKeys, (467): 1-162. doi

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