Trigonopterus punctulatus Riedel

Riedel, Alexander, Sagata, Katayo, Surbakti, Suriani, Rene Taenzler, & Michael Balke,, 2013, One hundred and one new species of Trigonopterus weevils from New Guinea, ZooKeys 280, pp. 1-150 : 60-61

publication ID

https://dx.doi.org/10.3897/zookeys.280.3906

persistent identifier

https://treatment.plazi.org/id/CD823972-2007-28D2-9DD3-5E6E16688CA3

treatment provided by

ZooKeys by Pensoft

scientific name

Trigonopterus punctulatus Riedel
status

sp. n.

67. Trigonopterus punctulatus Riedel   ZBK sp. n.

Diagnostic description.

Holotype, male (Fig. 67a). Length 3.72 mm. Color black, legs and antenna deep ferruginous. Body ovate; almost without constriction between pronotum and elytron; in profile evenly convex. Rostrum dorsally tricarinate, with distinct median and pair of lateral carinae to shortly before apex. Pronotum densely punctate. Elytra densely punctate; strial punctures slightly larger than minute punctures on intervals; striae impressed as fine lines; lateral stria behind humeri simple, not deepened. Femora edentate. Metafemur with denticulate dorsoposterior edge; subapically with stridulatory patch. Mesotibia subapically narrow, subbasally widened, dorsal contour with angulation. Metatibia without premucro; with small suprauncal projection. Aedeagus (Fig. 67b) apically subangulate; dorsum sublaterally sparsely setose; transfer apparatus spiniform, curved; ductus ejaculatorius with bulbus. Intraspecific variation. Length 2.92-3.92 mm. Female rostrum basally punctate, towards apex rugose-punctate.

Material examined.

Holotype (MZB): ARC419 (EMBL # FN429130), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani, S02°31.7', E140°30.3', 900-1150 m, 21-XI-2007, beaten, marked "stridul. 2". Paratypes (ARC, NHMB, SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani: 10 exx, ARC0424 (EMBL # FN429135), ARC0482 (EMBL # FN429189), S02°31.3', E140°30.5', 1200-1420 m, 30.XI.2007; 1 ex, ARC0664 (EMBL # FN429311), S02°31.8', E140°30.2', 630-800 m, 21-XI-2007; 8 exx, S02°31.794', E140°30.190', 800-860 m, 21-XI-2007, “Mim2”, beaten; 8 exx, S02°31.7', E140°30.3', 860-1150 m, 21-XI-2007, beaten; 7 exx, S02°31.6', E140°30.4', 900-1100 m, 28-XI-2007, beaten; 3 exx, ARC0680 (EMBL # FN429325), ARC0681 (EMBL # FN429326), S02°31.2', E140°30.5', 1420-1520 m, 30-XI-2007; 1 ex, ARC0696 (EMBL # FN429340), S02°32.2', E140°30.4', 545-700 m, 02-XII-2007; 5 exx, S02°31.7', E140°30.3', 850-1000 m, 30-XI-2007, beaten; 5 exx, S02°31.6', E140°30.4', 1000-1200 m, 30-XI-2007, beaten; 1 ex, S02°31.603', E140°30.434', 1095 m, 28-XI-2007, sifted; 14 exx [1 marked "ARC 041"], 950-1450 m, 03-X-1992; 4 exx, 1100-1600 m, 05-X1991; 7 exx, 1200-1400 m, 09-VIII-1992; 10 exx, 1100-1600 m, 05-X-1991; 5 exx, 1400 m, 10-VIII-1991; 5 exx, 950-1450 m, 03-X-1992; 5 exx, Lake Sentani, 300 m, III-1992.

Distribution.

Jayapura Reg. (Cyclops Mts). Elevation: 300-1420 m.

Biology.

Collected by beating foliage in primary forests.

Etymology.

This epithet is based on the Latin participle punctulatus (provided with little punctures) and refers to the species´ surface scattered with small punctures.

Notes.

Trigonopterus punctulatus Riedel, sp. n. was coded as " Trigonopterus sp. 2" by Riedel et al. (2010) and Tänzler et al. (2012), respectively " Trigonopterus spb" in the EMBL/GenBank/DDBJ databases.