One hundred and three new species of Trigonopterus weevils from Sulawesi
Author
Riedel, Alexander
Author
Narakusumo, Raden Pramesa
text
ZooKeys
2019
828
1
153
http://dx.doi.org/10.3897/zookeys.828.32200
journal article
http://dx.doi.org/10.3897/zookeys.828.32200
1313-2970-828-1
2A63A74D8B304C83AB747BAF6AF6984E
2A63A74D8B304C83AB747BAF6AF6984E
30.
Trigonopterus idefix Riedel
sp. n.
Diagnostic description.
Holotype, male (Fig. 30a). Length 1.60 mm. Color of antennae yellowish; legs and rostrum dark ferruginous; remainder black. Body subovate; in dorsal aspect with weak constriction, in profile with distinct constriction between pronotum and elytron. Rostrum long; subapically slightly widened; dorsally with median costa and pair of sublateral ridges; intervening furrows with rows of punctures containing each one indistinct seta; epistome simple, subglabrous. Pronotum with disk densely, coarsely punctate; interspaces between punctures reticulate, subglabrous. Elytra with striae deeply impressed, intervals subglabrous, costate; punctures each with short, suberect seta; sutural interval basally curving laterad. Legs long. Profemur with anteroventral ridge simple; meso- and metafemur with indistinct denticle at middle; anterior surface of femora coriaceous, punctate. Metafemur subapically with stridulatory patch. Abdominal ventrite 1 dull, microreticulate, weakly concave, with coarse punctures; ventrite 5 subglabrous, weakly microreticulate, with shallow concavity. Penis (Fig. 30b) with sides subparallel in basal 1/2, towards apex converging in sinuate line; apex with long, pointed, downwardly curved extension, laterally with sparse setae; basal orifice with well-sclerotized ventral rim; apodemes 1.6
x
as long as body of penis; transfer apparatus dentiform, directed basad in repose; ductus ejaculatorius with indistinct bulbus. Intraspecific variation. Length 1.60-1.88 mm. Female rostrum in apical 1/2 subglabrous, with lateral and sublateral rows of punctures. Female abdominal ventrite 5 flat, sparsely punctate.
Material examined.
Holotype (MZB): ARC2842 (GenBank # MK260327), S-Sulawesi Prov., Pc. Palopo, Gn. Sampuna,
02°56.539'S
120°05.320'E
, 1038 m, sifted, 29-V-2012. Paratypes (MZB, SMNK): S-Sulawesi Prov.: 5 exx, ARC3087 (GenBank # MK260329), ARC3088 (GenBank # MK260330), ARC3089 (GenBank # MK260331), Pc. Palopo, Gn. Sampuna,
02°56.545'S
120°05.595'E
, 1101 m, sifted, 02-V-2013; 28 exx, ARC3016 (GenBank # MK260326), ARC6022 (GenBank # MK260332), ARC6023 (GenBank # MK260328),Tanah Toraja, Rantepao, Gn. Karre (= Gn. Wokim),
02°59.021'S
120°02.523'E
, 1456 m, sifted, 06-V-2013.
Distribution.
S-Sulawesi Prov. (Tanah Toraja, Pc. Palopo). Elevation 1040-1460 m.
Biology.
In leaf litter of montane forest.
Etymology.
This epithet is based on a character of the French Asterix comics. It is a noun in apposition.
Notes.
Trigonopterus idefix
Riedel, sp. n. was coded as "
Trigonopterus
sp. 406".