Trigonopterus artemis Riedel

Riedel, Alexander & Narakusumo, Raden Pramesa, 2019, One hundred and three new species of Trigonopterus weevils from Sulawesi, ZooKeys 828, pp. 1-153 : 1

9. Trigonopterus artemis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 9a). Length 2.53 mm. Color of antennae and tarsi ferruginous; remainder black with bronze luster. Body subovate; in dorsal aspect with marked constriction between pronotum and elytron; in profile dorsally convex. Rostrum dorsally punctate-rugose, in basal 1/2 with median and pair of indistinct submedian ridges, anteriorly coarsely punctate-rugose, with sparse, erect, subclavate scales; epistome posteriorly with transverse, subangulate ridge. Pronotum with disk densely punctate; anteriorly punctures larger and containing each one suberect, clavate scale; interspaces between punctures subglabrous, anteriorly smaller, posteriorly larger than punctures´ diameter. Elytra with striae marked by fine lines and rows of fine punctures; with suberect, narrow scales, becoming denser towards apex; sutural interval with row of small punctures, other intervals subglabrous; apex laterally swollen, subtruncate. Femora edentate; surface densely coarsely punctate, each puncture with suberect scale, with sparse denticles. Metafemur subapically with stridulatory patch. Abdominal ventrites 1-2 cavernous, subglabrous, lateral rims with sparse erect scales; ventrite 5 dull, microreticulate, at middle with shallow impression. Penis (Fig. 9b) with sides of body subparallel, converging in apical 1/3; median extension with sparse short setae; apodemes 1.4 × as long as body of penis; transfer apparatus spear-shaped, 0.7 × as long as body of penis; ductus ejaculatorius basally sclerotized, with indistinct bulbus. Intraspecific variation. Length 2.53-2.93 mm. Female rostrum slender, dorsally coarsely punctate-rugose with median and pair of submedian ridges; epistome simple. Female abdominal ventrite 5 flat, with sparse erect scales.

Material examined.

Holotype (MZB): ARC2803 (GenBank # MK260270), N-Sulawesi Prov., Airmadidi, Gn. Klabat, 01°26.635'N 125°00.823'E, 1031 m, sifted, 16-V-2012. Paratypes (SMNK): N-Sulawesi Prov.: 2 exx, ARC2779 (GenBank # MK260269), ARC2780 (GenBank # MK260268), same data as holotype.

Distribution.

N-Sulawesi Prov. (Mt Klabat). Elevation ca. 1030 m.

Biology.

In leaf litter of montane forest.

Etymology.

This epithet is the name of the Greek goddess of hunting and nature, Ártemis. It is a noun in apposition.

Notes.

Trigonopterus artemis Riedel, sp. n. was coded as " Trigonopterus sp. 390".