Trigonopterus ovatulus

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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 175808, https://species-id.net/w/index.php?title=Trigonopterus_ovatulus&oldid=175808 , 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 175808, https://species-id.net/w/index.php?title=Trigonopterus_ovatulus&oldid=175808 , 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 175808, https://species-id.net/w/index.php?title=Trigonopterus_ovatulus&oldid=175808 , 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 = 2019-10-18

}} Versioned wiki page: 2019-04-20, version 175808, https://species-id.net/w/index.php?title=Trigonopterus_ovatulus&oldid=175808 , 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 ovatulus Riedel sp. n.Wikispecies linkZooBank linkPensoft Profile

Diagnostic description

Holotype, male (Fig. 58a). Length 1.98 mm. Color of antennae and tarsi ferruginous; tibiae and femora dark ferruginous; remainder black. Body subovate; in dorsal aspect with weak constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally with median costa and pair of submedian ridges, weakly microreticulate; intervening furrows with sparse rows of piliform, recumbent scales; epistome in apical 1/3 indistinct, weakly swollen, subglabrous, sparsely setose. Pronotum with disk punctate with small punctures; interspaces subglabrous, weakly microreticulate. Elytra with striae marked by rows of small punctures; intervals subglabrous; near base with few additional, slightly larger punctures. Femora with anteroventral ridge distinct, ending in apical 1/3 with small blunt tooth; anterior surface densely punctate, microreticulate, each puncture with narrow recumbent scale. Metafemur subapically with extensive stridulatory patch. Metatibia with dorsal edge weakly denticulate, with small supra-uncal spine. Abdominal ventrites 1–2 weakly concave, subglabrous; ventrite 5 with shallow impression, densely punctate, covered with suberect scales, scales larger sublaterally. Penis (Fig. 58b) with body subparallel, apex with subangulate extension, without setae; apodemes 2.3 × as long as body of penis; transfer apparatus complex, asymmetrical, with subrotund capsule; ductus ejaculatorius without bulbus. Intraspecific variation. Length 1.75–2.34 mm. Female rostrum dorsally with submedian row of punctures, with sublateral furrow. Femora with anteroventral ridge ending with small blunt tooth or rounded.

Material examined

Holotype (MZB): ARC2990 (GenBank # MK260608), S-Sulawesi Prov., Tanah Toraja, Rantepao, Gn. Karre (= Gn. Wokim), 02°59.021'S 120°02.523'E, 1456 m, beaten, 06-V-2013. Paratypes (MZB, SMNK): S-Sulawesi Prov.: 10 exx, ARC2991 (GenBank # MK260607), ARC2992 (GenBank # MK260624), ARC3000 (GenBank # MK260611), same data as holotype; 1 ex, ARC6027 (GenBank # MK260609), Tanah Toraja, Rantepao, Gn. Karre (= Gn. Wokim), 02°59.021'S 120°02.523'E, 1456 m, sifted, 06-V-2013; 2 exx, Tanah Toraja, Rantepao, Gn. Karre (= Gn. Wokim), 02°59.013'S 120°02.251'E, 1423 m, beaten, 06-V-2013; 3 exx, ARC6037 (GenBank # MK260621), ARC6038 (GenBank # MK260619), ARC6039 (GenBank # MK260618), Tanah Toraja, Rantepao, Gn. Karre (= Gn. Wokim), 02°58.846'S 120°02.158'E, 1396 m, beaten, 06-V-2013; C-Sulawesi Prov.: 46 exx, ARC2856 (GenBank # MK260615), ARC2857 (GenBank # MK260612), ARC2858 (GenBank # MK260616), ARC2859 (GenBank # MK260617), ARC2862 (GenBank # MK260622), Pendolo, Gn. Sampuraga, 02°12.476'S 120°45.506'E, 1050 m, beaten, 31-V-2012; 50 exx, ARC6044 (GenBank # MK260623), ARC6045 (GenBank # MK260620), Pendolo, Gn. Sampuraga, 02°12.165'S 120°45.567'E to 02°12.308'S 120°45.544'E, beaten, 934–1011 m, 13-V-2013; 3 exx, ARC3100 (GenBank # MK260614), ARC3101 (GenBank # MK260613), ARC3102 (GenBank # MK260610), Pendolo, Boe, 02°05.405'S 120°38.551'E to 02°05.446'S 120°38.519'E, 750–950 m, beaten, 15-V-2013.

Distribution

S-Sulawesi Prov. (Tanah Toraja); C-Sulawesi Prov. (Pendolo). Elevation 910–1450 m.

Biology

On foliage in montane forests.

Etymology

This epithet is the diminutive form of the Latin adjective ovatus, -a, -um (egg-shaped) and refers to the species´ body form and small size. It is a variable adjective as well.

Notes

Trigonopterus ovatulus Riedel, sp. n. was coded as “Trigonopterus sp. 535”. This species is very closely related to Trigonopterus pseudovatulus Riedel, sp. n., from which it cannot be separated by morphological characters. It differs by ca. 17.1–17.3% p-distance of cox1, correlated by marked differences in the nuclear genes 28S and CAD. Two allopatric populations occur at Gn. Karre and at the mountains north of Lake Poso. The latter population is sympatric with Trigonopterus pseudovatulus Riedel, sp. n.. In the future, more comprehensive studies could lead to the conclusion that these populations also constitute distinct species.

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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