Trigonopterus agilis 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 : 7-8

4. Trigonopterus agilis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 4a). Length 2.55 mm. Color black with slight bluish lustre; legs deep ferruginous, antenna light ferruginous. Body ovate; without constriction between pronotum and elytron; in profile evenly convex. Rostrum dorsally in basal half with median ridge, coarsely punctate and with sparse cream-colored scales; apically smooth, with small punctures. Eyes large. Pronotum dorsally densely punctate with minute punctures; laterally with larger punctures, anteriorly above procoxa squamose with subtriangular cream-colored scales. Elytra dorsally subglabrous, punctures minute, striae hardly visible; laterally strial punctures deep, lateral 5 striae distinct. Femora elongate, edentate. Profemur converging from base to apex. Metafemur with simple dorsoposterior edge; subapically without stridulatory patch. Tibiae simple, without rows or brushes of long setae. Metathoracic and abdominal venter with sparse cream-colored scales. Aedeagus (Fig. 4b) symmetrical, apically pointed; ductus ejaculatorius without bulbus. Intraspecific variation. Length 2.54-2.84 mm. Female rostrum dorsally subglabrous, in apical half with minute punctures.

Material examined.

Holotype (MZB): ARC0488 (EMBL # FN429195), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani, S02°31.7', E140°30.3', 850-1000 m, 30-XI-2007, beaten. Paratypes (ARC, SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani: 4 exx, ARC0489 (EMBL # FN429196), ARC0490 (EMBL # FN429197), same data as holotype; 2 exx, S02°31.7', E140°30.3', 860-1150 m, 21-XI-2007, beaten; 3 exx, S02°31.6', E140°30.4', 900-1100 m, 28-XI-2007, beaten; 5 exx, S02°31.6', E140°30.4', 1000-1200 m, 30-XI-2007, beaten; 5 exx, 950-1450 m, 03-X-1992; 1 ex, 1100-1600 m, 05-X-1991; 1 ex, 700-1400 m, 23-XII-2004; 5 exx, 300-1400 m, 10-VIII-1991.

Distribution.

Jayapura Reg. (Cyclops Mts). Elevation: 700-1100 m.

Biology.

Collected by beating foliage in montane forests.

Etymology.

This epithet is based on the Latin adjective agilis (quick) and refers to the behavior of this species and its close relatives.

Notes.

Trigonopterus agilis Riedel, sp. n. was coded as " Trigonopterus sp. 14" by Riedel et al. (2010) and Tänzler et al. (2012), respectively " Trigonopterus spm" in the EMBL/GenBank/DDBJ databases.