Holotype, male (Fig. 38a). Length 2.02 mm. Color ferruginous. Body subovate; in dorsal aspect and in profile with distinct constriction between pronotum and elytron. Rostrum irregularly rugose-punctate; epistome with transverse, curved ridge. Pronotum with shallow subapical constriction; disk reticulate-punctate; punctures with flat, apparently elevated bottom; scales abraded; surface dull, microreticulate. Elytra with striae deeply impressed, in front of each puncture with claviform, suberect scale unless abraded; intervals costate; surface dull, microreticulate; interval 7 in apical half forming distinct ridge. Femora edentate. Metafemur subapically without stridulatory patch. Abdominal ventrite 5 flat, microreticulate, with sparse setae. Penis (Fig. 38b) with apex asymmetrically extended on the left; apical extension short; basal orifice ventrally with rim; apodemes short, 0.7 × as long as body; ductus ejaculatorius with bulbus. Intraspecific variation. Length 1.99–2.22 mm. Color light to deep ferruginous. Female rostrum dorsally in apical half subglabrous, with small punctures; epistome simple. Pronotum with erect clavate scale in each puncture if not abraded.

Holotype (MZB): ARC1547 (EMBL # LM655645), Java, Banten-Prov., Ujung Kulon N.P., Tama Jaya, Mt. Honje, sample 4, S06°46.141', E105°31.649', 395 m, 23-IV-2010. Paratypes (MZB, SMNK, ZSM): Java, Banten-Prov., Ujung Kulon N.P., Tama Jaya, Mt. Honje: 6 exx, ARC1542 (EMBL # LM655640), ARC1543 (EMBL # LM655641), ARC1544 (EMBL # LM655642), sample 2, S06°45.973', E105°31.915', 540 m, 23-IV-2010; 16 exx, sample 4, S06°46.141', E105°31.649', 395 m, 23-IV-2010; 2 exx, sample 3, S06°46.009', E105°31.761', 465 m, 23-IV-2010.

Banten Prov. (Ujung Kulon N.P.). Elevation: 395–540 m.

This epithet is based on the type locality, Mt. Honje.

Trigonopterus honjensis Riedel, sp. n. was coded as “Trigonopterus sp. 338”.