Trigonopterus aeneipennis 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 : 5

1. Trigonopterus aeneipennis Riedel sp. n.

Diagnostic description.

Holotype, male (Fig. 1a). Length 1.74 mm. Color black; elytra and pronotum with greenish-bronze lustre; antenna and tarsi ferruginous. Body subovate; in dorsal aspect and in profile with weak constriction between pronotum and elytron. Rostrum with indistinct, irregular, longitudinal ridges. Pronotum with weak subapical constriction; densely punctate. Elytra with striae deeply impressed, intervals weakly costate, subglabrous. Meso- and metafemur ventrally weakly dentate. Metafemur subapically without stridulatory patch. Aedeagus (Fig. 1b) with apex extended, pointed; body in profile at middle with marked depression; transfer apparatus relatively complex, symmetrical; ductus ejaculatorius with bulbus. Intraspecific variation. Length 1.50-1.74 mm. Female rostrum dorsally subglabrous.

Material examined.

Holotype (MZB): ARC0530 (EMBL # FN429236), WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, S02°31.912', E140°30.416', 785 m, 02-XII-2007, sifted. Paratypes (SMNK, ZSM): WEST NEW GUINEA, Jayapura Reg., Cyclops Mts, Sentani: 3 exx, ARC0531 (EMBL # FN429237), same data as holotype; 2 exx, ARC0550 (EMBL # FN429256), S02°31.776', E140°30.215', 945 m, 21-XI-2007, sifted; 4 exx, ARC0564 (EMBL # FN429270), S02°31.912', E140°30.416', 785 m, 02-XII-2007, sifted.

Distribution.

Jayapura Reg. (Cyclops Mts). Elevation: 785-945 m.

Biology.

Sifted from leaf litter in montane forest.

Etymology.

This epithet is based on a combination of the Latin adjective aeneus (of bronze) and the noun penna (wing, elytron) and refers to its coloration.

Notes.

Trigonopterus aeneipennis Riedel, sp. n. was coded as " Trigonopterus sp. 50" by Riedel et al. (2010) and Tänzler et al. (2012), respectively " Trigonopterus spax" in the EMBL/GenBank/DDBJ databases.