Trigonopterus selayarensis Riedel

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

publication ID

https://dx.doi.org/10.3897/zookeys.828.32200

publication LSID

lsid:zoobank.org:pub:2A63A74D-8B30-4C83-AB74-7BAF6AF6984E

persistent identifier

https://treatment.plazi.org/id/251C9B66-F9E0-42B4-9DEC-9A0C1DE91E5B

taxon LSID

lsid:zoobank.org:act:251C9B66-F9E0-42B4-9DEC-9A0C1DE91E5B

treatment provided by

ZooKeys by Pensoft

scientific name

Trigonopterus selayarensis Riedel
status

sp. n.

88. Trigonopterus selayarensis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 88a). Length 1.98 mm. Color of antennae ferruginous; legs and head dark ferruginous; remainder black. Body subrotund; in dorsal aspect with distinct constriction between pronotum and elytron, in profile with weaker constriction. Rostrum dorsally with distinct median ridge and pair of sublateral ridges; with sparse rows of suberect setae; epistome short, sparsely punctate, posteriorly with transverse, angulate ridge. Pronotum with subapical constriction; disk coarsely punctate, scabrous; each puncture with erect, curved seta. Elytra with striae deeply impressed; with rows of erect, weakly clavate, curved scales; intervals carinate, subglabrous, microreticulate. Meso- and metafemur with minute blunt denticle, profemur edentate. Metafemur subapically without stridulatory patch. Abdominal ventrite 5 flat, microreticulate, punctate, sparsely setose with long setae. Penis (Fig. 88b) hardly asymmetrical; tip medially extended; basal orifice ventrally simple; apodemes subequal to body of penis (1.0 ×); ductus ejaculatorius with distinct bulbus. Intraspecific variation. Length 1.68-2.14 mm. Body subrotund in larger specimens to subovate in smaller specimens. Female rostrum more slender, dorsally punctate-rugose, epistome indistinct.

Material examined.

Holotype (MZB): ARC3186 (GenBank # MK260407), S-Sulawesi Prov., Selayar Is, Pagarangan, 06°18.334'S 120°30.794'E, 545 m, sifted, 24-IV-2013. Paratypes (MZB, SMNK): 7 exx, ARC3185 (GenBank # MK260409), ARC3187 (GenBank # MK260408), same data as holotype.

Distribution.

S-Sulawesi Prov. (Selayar Is). Elevation ca. 545 m.

Biology.

In leaf litter of lowland forest.

Etymology.

This epithet is a Latinized adjective based on the type locality Selayar Island.

Notes.

Trigonopterus selayarensis Riedel, sp. n. was coded as " Trigonopterus sp. 467".