Trigonopterus viduus

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This page should be cited as follows (rationale):
Riedel A, Narakusumo R (2019) One hundred and three new species of Trigonopterus weevils from Sulawesi. ZooKeys (828) : 1–153, doi. Versioned wiki page: 2019-04-20, version 175851, https://species-id.net/w/index.php?title=Trigonopterus_viduus&oldid=175851 , contributors (alphabetical order): Pensoft Publishers, Alexander Riedel.

Citation formats to copy and paste

BibTeX:

@article{Riedel2019ZooKeys,
author = {Riedel, Alexander AND Narakusumo, Raden Pramesa},
journal = {ZooKeys},
publisher = {Pensoft Publishers},
title = {One hundred and three new species of Trigonopterus weevils from Sulawesi},
year = {2019},
volume = {},
issue = {828},
pages = {1--153},
doi = {10.3897/zookeys.828.32200},
url = {https://zookeys.pensoft.net/articles.php?id=32200},
note = {Versioned wiki page: 2019-04-20, version 175851, https://species-id.net/w/index.php?title=Trigonopterus_viduus&oldid=175851 , contributors (alphabetical order): Pensoft Publishers, Alexander Riedel.}

}

RIS/ Endnote:

TY - JOUR
T1 - One hundred and three new species of Trigonopterus weevils from Sulawesi
A1 - Riedel A
A1 - Narakusumo R
Y1 - 2019
JF - ZooKeys
JA -
VL -
IS - 828
UR - http://dx.doi.org/10.3897/zookeys.828.32200
SP - 1
EP - 153
PB - Pensoft Publishers
M1 - Versioned wiki page: 2019-04-20, version 175851, https://species-id.net/w/index.php?title=Trigonopterus_viduus&oldid=175851 , contributors (alphabetical order): Pensoft Publishers, Alexander Riedel.

M3 - doi:10.3897/zookeys.828.32200

Wikipedia/ Citizendium:

<ref name="Riedel2019ZooKeys">{{Citation
| author = Riedel A, Narakusumo R
| title = One hundred and three new species of Trigonopterus weevils from Sulawesi
| journal = ZooKeys
| year = 2019
| volume =
| issue = 828
| pages = 1--153
| pmid =
| publisher = Pensoft Publishers
| doi = 10.3897/zookeys.828.32200
| url = https://zookeys.pensoft.net/articles.php?id=32200
| pmc =
| accessdate = 2019-10-20

}} Versioned wiki page: 2019-04-20, version 175851, https://species-id.net/w/index.php?title=Trigonopterus_viduus&oldid=175851 , contributors (alphabetical order): Pensoft Publishers, Alexander Riedel.</ref>

See also the citation download page at the journal.


Taxonavigation

Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus

Name

Trigonopterus viduus Riedel sp. n.Wikispecies linkZooBank linkPensoft Profile

Diagnostic description

Holotype, male (Fig. 100a). Length 2.18 mm. Color of antennae and tarsi ferruginous; legs dark ferruginous; remainder black. Body subovate; in profile dorsally convex. Rostrum dorsally with median and pair of submedian carinae widening posteriorly, extending as glabrous costae onto forehead; intervening furrows with sparse rows of recumbent setae; epistome at middle with denticle. Pronotum with disk densely punctate; interspaces between punctures subglabrous, subequal or smaller than punctures´ diameter; laterally punctures coarse. Elytra with striae marked by small punctures, weakly impressed; intervals subglabrous, with rows of minute punctures; stria 8 in basal 1/2 with larger punctures, externally bordered by costa. Femora with anteroventral ridge crenate, in mesofemur and metafemur ending with tooth; anterior surface coarsely punctate, microreticulate. Metafemur with dorsoposterior edge simple; subapically with stridulatory patch. Abdominal ventrites 1–2 concave, markedly microreticulate, weakly punctate; ventrite 5 at middle with shallow pit, markedly microreticulate, punctate, subapically with squamose scales. Penis (Fig. 100b) with sides of body subparallel; apex subangular, medially extended into small tooth; with few long setae; apodemes 2.3 × as long as body of penis; transfer apparatus S-shaped, basally held by capsule; ductus ejaculatorius with distinct bulbus. Intraspecific variation. Length 1.78–2.28 mm. Female rostrum more slender, epistome indistinct. Female abdominal ventrite 5 flat.

Material examined

Holotype (MZB): ARC3135 (GenBank # MK260581), C-Sulawesi Prov., Pendolo, Boe, 02°05.405'S 120°38.551'E, 857 m, sifted, 15-V-2013. Paratypes (MZB, SMNK): C-Sulawesi Prov.: 9 exx, ARC6014 (GenBank # MK260579), ARC6015 (GenBank # MK260582), ARC6016 (GenBank # MK260580), same data as holotype; 6 exx, Pendolo, Boe, 02°05.440'S 120°38.537'E, 901 m, sifted, 15-V-2013; 4 exx, Pendolo, Boe, 02°05.446'S 120°38.519'E, 915 m, sifted, 15-V-2013.

Distribution

C-Sulawesi Prov. (Pendolo). Elevation 860–915 m.

Biology

In leaf litter of lower montane forest.

Etymology

This epithet is the Latin adjective viduus, -a, -um (widowed).

Notes

Trigonopterus viduus Riedel, sp. n. was coded as “Trigonopterus sp. 527”.

Original Description

  • Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi

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