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Holotype, male (Fig. 2a). Length 2.30 mm. Color of antennae ferruginous; legs and basal 1/2 of elytra dark ferruginous; remainder black. Body subovate; in dorsal aspect and in profile with moderate constriction between pronotum and elytron. Rostrum dorsally with median and pair of submedian ridges; intervening furrows with sparse, erect scales; epistome weakly swollen, simple. Pronotum with lateral edges weakly converging, with weak subapical constriction; disk with pair of distinct longitudinal impressions, lined with sparse yellow almond-shaped scales; medially broadly swollen, densely punctate with coarse punctures, with narrow subglabrous midline. Elytra punctate with small punctures; near base and at humeral angles more densely punctate with coarse punctures; striae hardly marked by hairlines; with patches of sparse yellow recumbent scales. Femora dentate, with acute tooth; anteroventral ridges crenate. Metafemur dorsally denticulate; subapically with stridulatory patch. Dorsoposterior edge of tibiae subbasally denticulate. Metatibia weakly curved. Abdominal ventrites 1–2 concave, subglabrous, with sparse scales; ventrite 5 concave, with sparse punctures. Penis (Fig. 2b) with sides of body subparallel, apex subtruncate, with few short setae; apodemes 1.6 × as long as body of penis; transfer apparatus flagelliform, subequal to length of body of penis; ductus ejaculatorius without distinct bulbus.
Holotype (MZB): ARC3146 (EMBL # LN884965), SE-Sulawesi Prov., Kendari, road from Wawotobi to Lasolo, 03°44.142'S 122°13.670'E, 482 m, sifted, 17-IV-2013.
SE-Sulawesi Prov. (Kendari). Elevation ca. 480 m.
In leaf litter of lowland forest.
This epithet is based on the Latin participle adspersus (sprinkled, strewn on) and refers to the species´ integument with scattered scales.
Trigonopterus adspersus Riedel, sp. n. was coded as “Trigonopterus sp. 489”.
- Riedel, A; Narakusumo, R; 2019: One hundred and three new species of Trigonopterus weevils from Sulawesi ZooKeys, (828): 1-153. doi