(Fig. 4, 5, 88, 144, 145, 228, 271, 330, 392-394)

Etymology. Dedicated to our colleague, Mr. Andreas Weigel, Germany, for his fieldwork and publications on Cerambycidae.

Type material. Holotype M, INDONESIA, New Guinea, Irian Jaya, Papua: Nabire (54km S Ilaga Road, Biological Station of Pusppenssat), IX.1991, P. Hoyois coll. (AWCO). Paratypes (5 F), as follows: INDONESIA, New Guinea, Irian Jaya, Papua: Nabire (54km S Ilaga Road, Biological Station of Pusppenssat), 2 F, IX.1991, P. Hoyois coll. (AWCO); (50 km S Pusppenssat), F, I.1996, A. Weigel coll. (AWCO); (50 km S Flaga, Biological Station of Pusppenssat, 3 o 29’53”S, 135 o 43’83”E), F, II.24.1998, A. Weigel coll. (MZSP); (50km S Biological Station of Pusppenssat), F, V.1998, A. Weigel coll. (DHCO).

Description. Integument shining, chestnut; parts of head and mandibles, margins of pronotum, scutellum, and elytral suture, blackish.

Male (Fig. 392). Dorsal surface of head, on gibbosities, with punctures fine and abundant; central area, between gibbosities and occiput, with punctures sparser than on gibbosities; gibbosities separated by moderately shallow furrow; area between gibbosities and ocular carina barely depressed; ocular carina narrow, with bifurcation in “Y” indicated near posterior edge of eyes; area behind eyes just coarsely, sparsely punctate. Eyes (Fig. 88) narrow; posterior ocular edge (Fig. 392) distinct, with abrupt declivity towards posterior part of head. Central area of clypeus vertical. Central projection of labrum (Fig. 4) narrow and subrounded at apex. Submentum barely depressed, sparsely and shallowly punctate; pilosity short and sparse; anterior margin moderately narrow and elevated. Mandibles sub-falciform; inner margin with two teeth together protracted (completely fused at apex); dorsal carina narrow and clearly elevated. Ventral sensorial area of antennomeres III-XI not visible from side (Fig. 228), and not divided by carina; dorsal sensorial area of antennomere XI small.

Pronotum finely, sparsely punctate in central area, and coarser and more abundant laterally; anterior edge slightly sinuous centrally; anterior angles clearly projected forward. Elytra abundantly and coarsely punctate at basal 3/4, and finer on apical fourth; each elytron with two carinae. Metasternum and metepisterna glabrous, with punctures coarse and abundant (laterally on metasternum). Metafemur (Fig. 393) elongated. Dorsal face of metatibia clearly sulcate only on apical half. Metatarsomere V (without claws) as long as I-III together (Fig. 271).

Female (Fig. 394). Central projection of labrum (Fig. 5). Mandibles as in Fig. 145. Punctation of head, pronotum and elytra as in males.

Dimensions in mm (M / F). Total length (including mandibles), 15.1/15.0-19.0; prothorax: length, 3.4/ 3.0-3.8; anterior width, 4.5/3.5-4.7; posterior width, 4.0/3.3-4.6; humeral width, 4.4/3.9-5.3; elytral length, 8.8/9.4-11.7.

Comments. Papuandra weigeli is similar in general appearance to P. araucariae. It differs by the: mandible of the males sub-falciform; sensorial area of the antennomeres III-XI not visible from the side, and not divided by carina; gibbosities of the dorsal face of the head without a protuberance in the posterior part near the longitudinal furrow. In P. araucariae the mandible of the males is not sub-falciform, the sensorial area of the antennomeres III-XI is visible from the side and are divided by carina, and the gibbosities of the dorsal face of the head have a projection in the posterior part near the longitudinal furrow.