Trigonopterus misellus Riedel

Riedel, Alexander, Taenzler, Rene, Balke, Michael, Rahmadi, Cahyo & Suhardjono, Yayuk R., 2014, Ninety-eight new species of Trigonopterus weevils from Sundaland and the Lesser Sunda Islands, ZooKeys 467, pp. 1-162: 49

publication ID

publication LSID

persistent identifier

taxon LSID

treatment provided by

ZooKeys by Pensoft

scientific name

Trigonopterus misellus Riedel

sp. n.

Taxon classification Animalia Coleoptera Curculionidae

51. Trigonopterus misellus Riedel  sp. n.

Diagnostic description.

Holotype, male (Fig. 51a). Length 2.65 mm. Color of tarsi and antennae ferruginous; remainder black. Body elongate subovate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum in apical half scabrous, in basal half with median and pair of submedian ridges; with elongate, clavate, suberect scales; epistome with transverse, angulate ridge. Pronotum with indistinct subapical constriction; disk coarsely punctate; with median ridge; each puncture containing erect clavate scale inserting at posterior rim; surface dull, microreticulate. Elytra elongate; in profile with slight depression behind middle; with striae deeply impressed, in front of each puncture with claviform, suberect scale; intervals costate, subglabrous. Femora edentate. Metafemur subapically without stridulatory patch. Abdominal ventrite 5 flat, microreticulate, with sparse scales. Penis (Fig. 51b) with apex asymmetrically extended to the left; apical extension long; basal orifice ventrally with rim; apodemes short, 0.5 × as long as body; ductus ejaculatorius with bulbus. Intraspecific variation. Length 2.30-2.65 mm. Female rostrum dorsally in apical half subglabrous, with small punctures; epistome simple. Profile of elytral apex in females more slender than in males, more distinctly curved ventrad.

Material examined.

Holotype (MZB): ARC0263 (EMBL # LM655454), E-Sumatra, Lampung Prov., Bawang, Pedada Bay, Mt. Tanggang, sample 1, S05°43.933', E105°06.598', 579 m, 09-VIII-2006. Paratypes (MZB, SMNK, ZSM): E-Sumatra, Lampung Prov., Bawang, Pedada Bay, Mt. Tanggang: 2 exx, ARC0264 (EMBL # LM655455), ARC0265 (EMBL # LM655456), same data as holotype; 2 exx, sample 2, S05°43.947', E105°06.480', 659 m, 09-VIII-2006.


Lampung Prov. (Pedada Bay). Elevation: 579-744 m.


This epithet is based on the Latin adjective misellus (poor).


Trigonopterus misellus  Riedel, sp. n. was coded as " Trigonopterus  sp. 336".