Trigonopterus impressicollis

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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: 2019-04-19, version 175546, https://species-id.net/w/index.php?title=Trigonopterus_impressicollis&oldid=175546 , 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: 2019-04-19, version 175546, https://species-id.net/w/index.php?title=Trigonopterus_impressicollis&oldid=175546 , 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: 2019-04-19, version 175546, https://species-id.net/w/index.php?title=Trigonopterus_impressicollis&oldid=175546 , 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 = 2019-10-15

}} Versioned wiki page: 2019-04-19, version 175546, https://species-id.net/w/index.php?title=Trigonopterus_impressicollis&oldid=175546 , 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 impressicollis Riedel sp. n.Wikispecies linkZooBank linkPensoft Profile

Diagnostic description

Holotype, male (Fig. 31a). Length 2.26 mm. Color of antennae, legs, and elytral humeri ferruginous; remainder black. Body subovate; in dorsal aspect with moderate constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally with median carina and pair of submedian ridges; intervening furrows with sparse, erect scales; epistome short, posteriorly with transverse ridge. Pronotum with lateral edges weakly converging, with weak subapical constriction; disk with pair of distinct longitudinal impressions, lined with yellow elongate scales; medially broadly swollen, densely punctate, interspaces subglabrous, with narrow median costa. Elytra sparsely punctate with minute punctures; striae marked by impressed lines; in basal 1/3 and subapically with sparse yellow recumbent scales. Femora dentate, with acute tooth; anteroventral ridge of metafemur crenate. Metafemur with dorsoposterior edge weakly denticulate; subapically with stridulatory patch. Meso- and metatibia subbasally slightly widened, dorsal edge serrate. Metatibia curved. Abdominal ventrites 1–2 concave, subglabrous, sparsely punctate, with few scattered piliform scales; ventrite 5 concave, punctate, with sparse erect setae. Penis (Fig. 31b) with sides of body subparallel; apex subtruncate, laterally with tufts of long curly setae; apodemes 4.0 × as long as body of penis; transfer apparatus flagelliform, 3.5 × longer than body of penis; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 1.90–2.38 mm. Color of elytra ferruginous, partly ferruginous, or black. Female rostrum slender, dorsally in apical 1/2 subglabrous, with submedian row of punctures and with pair of sublateral furrows.

Material examined

Holotype (MZB): ARC3222 (GenBank # MK260468), S-Sulawesi Prov., Mangkutana, 02°20.203'S 120°46.878'E, 903 m, sifted, 14-V-2013. Paratypes (MZB, SMNK): S-Sulawesi Prov.: 14 exx, ARC3223 (GenBank # MK260472), ARC3224 (GenBank # MK260471), ARC6042 (GenBank # MK260470), ARC6043 (GenBank # MK260469), same data as holotype.

Distribution

S-Sulawesi Prov. (Mangkutana). Elevation ca. 900 m.

Biology

In leaf litter of montane forest.

Etymology

This epithet is an adjectival combination of the Latin participle impressus, -a, -um (imprinted), the noun collum (neck), and the second adjectival declension ending -is, and refers to the pair of impressions on the pronotum.

Notes

Trigonopterus impressicollis Riedel, sp. n. was coded as “Trigonopterus sp. 491”.

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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