Trigonopterus gundala
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Ordo: Coleoptera
Familia: Curculionidae
Genus: Trigonopterus
Name
Trigonopterus gundala Narakusumo & Riedel, 2021 sp. nov. – Wikispecies link – ZooBank link – Pensoft Profile
Diagnostic description
Holotype. Male (Fig. 8a). Length 2.75 mm. Color of antennae, elytra and legs ferruginous; head and thorax black. Body elongate subovate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum dorsally with subglabrous median costa and pair of submedian ridges; intervening furrows with coarse punctures and subrecumbent setae; apical 1/3 subglabrous, with few punctures and with sparse suberect setae. Pronotum with disk reticulate-punctate; ridges between punctures subglabrous; laterally in basal 1/3 with sparser punctures. Elytra with striae deeply impressed; intervals costate, each with one row of greyish punctures containing minute seta; suture at middle weakly carinate. Femora edentate; with distinct anteroventral and posteroventral ridges simple; anterior surface densely coarsely punctate, each puncture with recumbent scale. Metafemur dorsally with row of confluent punctures, bordered by subglabrous line; subapically with stridulatory patch. Metatibia slender, with sparse suberect setae. Abdominal ventrites 1 and 2 flat with coarse punctures; ventrite 5, weakly concave towards apex, with dense small punctures. Penis (Fig. 8b) with sides of body subparallel; apex with median angulate extension and sparse long setae; apodemes 1.5× as long as body of penis; transfer apparatus spiniform, directed basad in repose; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.55–2.76 mm. Female rostrum slender, subglabrous. Female ventrite 1 and 2 flat with dense small punctures. Female ventrite 5 flat.
Material examined
Holotype (MZB, Cole.173.061): MZB0079 (GenBank OK481938), Indonesia, C-Sulawesi, Toli-Toli, Gn. Dako, 01°03.389'N, 120°55.524'E to 01°03.567'N, 120°56.032'E, 1900–2200 m, 10-VII-2018, beaten. Paratypes (MZB, SMNK): Indonesia, C-Sulawesi, Toli-Toli, Gn. Dako: 2 exx, MZB0080 (GenBank OK481937), MZB0190 (GenBank OK481860), same data as holotype; 4 exx, MZB0082 (GenBank OK481935), MZB0186 (GenBank OK481864), MZB0187 (GenBank OK481863), MZB0188 (GenBank OK481862), 01°03.174N, 120°55.272'E to 01°03.389N, 120°55.524'E, 1800–1900 m, 10-VII-2018, beaten.
Distribution
C-Sulawesi Prov. (Mt Dako). Elevation ca. 1900–2200 m.
Biology
On foliage in montane forest.
Etymology
This epithet is a noun in apposition based on the fictional character of Indonesian comic superhero “Gundala, Son of Thunder”. The black and ferruginous colors of this species resemble Gundala’s movie costume.
Notes
Trigonopterus gundala sp. nov. was coded as “Trigonopterus sp. 1194”. It belongs to the T. satyrus-group and is closely related to T. mons sp. nov., but differs by the deeply striate elytra and a 8.2–8.7% cox1 p-distance.
Original Description
- Narakusumo, R; Riedel, A; 2021: Twenty-eight new species of Trigonopterus Fauvel (Coleoptera, Curculionidae) from Central Sulawesi ZooKeys, 1065: 29-79. doi
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