Trigonopterus arachnobas

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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 175522, https://species-id.net/w/index.php?title=Trigonopterus_arachnobas&oldid=175522 , 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 175522, https://species-id.net/w/index.php?title=Trigonopterus_arachnobas&oldid=175522 , 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 175522, https://species-id.net/w/index.php?title=Trigonopterus_arachnobas&oldid=175522 , 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 = 2019-10-17

}} Versioned wiki page: 2019-04-19, version 175522, https://species-id.net/w/index.php?title=Trigonopterus_arachnobas&oldid=175522 , 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 arachnobas Riedel sp. n.Wikispecies linkZooBank linkPensoft Profile

Diagnostic description

Holotype, male (Fig. 7a). Length 2.04 mm. Color of antennae yellowish; legs and rostrum dark ferruginous; remainder black. Body subovate; in profile with distinct constriction between pronotum and elytron. Rostrum long; dorsally with median ridge and pair of sublateral somewhat irregular ridges; intervening furrows with punctures and sparse rows of setae; epistome simple, subglabrous. Pronotum with disk densely, coarsely punctate; interspaces between punctures reticulate, wrinkled. Elytra with striae deeply impressed, intervals costate, subglabrous; punctures each with short, suberect seta. Legs long. Femora edentate. Anteroventral ridges indistinct, simple; anterior surface of femora coriaceous, punctate. Metafemur subapically with stridulatory patch. Abdominal ventrite 1 weakly concave, microreticulate, with coarse punctures; ventrite 5 subglabrous, with subquadrate depression. Penis (Fig. 7b) with sides subparallel in basal 1/2; in apical 1/3 converging in sinuate line forming long, pointed, downwardly curved extension, laterally with sparse setae; basal orifice with well-sclerotized ventral plate; apodemes 2.4 × as long as body of penis; transfer apparatus dentiform, directed basad in repose; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 1.98–2.04 mm.

Material examined

Holotype (MZB): ARC3014 (GenBank # MK260543), S-Sulawesi Prov., Tanah Toraja, Rantepao, Gn. Karre (= Gn. Wokim), 02°59.013'S 120°02.251'E, 1423 m, sifted, 06-V-2013. Paratypes (MZB, SMNK): 2 exx, ARC3015 (GenBank # MK260546), same data as holotype; 2 exx, ARC6024 (GenBank # MK260544), ARC6025 (GenBank # MK260545), Tanah Toraja, Rantepao, Gn. Karre (= Gn. Wokim), 02°59.021'S 120°02.523'E, 1456 m, 06-V-2013, sifted.

Distribution

S-Sulawesi Prov. (Tanah Toraja). Elevation 1420–1460 m.

Biology

In leaf litter of montane forest.

Etymology

This epithet is based on the genus name Arachnobas Boisduval and is treated as a noun in apposition. It refers to the superficial resemblance of the species´ habitus.

Notes

Trigonopterus arachnobas Riedel, sp. n. was coded as “Trigonopterus sp. 517”.

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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