Potemnemus ennevei De Jong, 1947 : 454,

Wallin, Henrik & Kvamme, Torstein, 2015, A review of the genus Potemnemus Thomson, 1864 (Coleoptera: Cerambycidae) with description of a new species from Papua New Guinea, Zootaxa 4040 (5), pp. 501-542: 503-505

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Potemnemus ennevei De Jong, 1947 : 454


Potemnemus ennevei De Jong, 1947: 454 

Figs. 29, 30View FIGURES 25 – 30, 31View FIGURES 31 – 36, 63, 64, 65, 66View FIGURES 59 – 66, 81View FIGURE 81.

Examined type specimens. HT ♂ ZMA (photo examination), BL = 55.0 mm, BW = 17.5 mm, Indonesia, Papua, Etna Bay (near Jayapura), 1905 / 1906 (New Guinea Expedition); PT ♀ ZMA (photo examination), BL = 51.0 mm, Indonesia, Papua, Sabang, 1907 -07, leg. H.A. Lorentz; PT ♀ ZMA (photo examination), BL = 44.0 mm, Indonesia, Papua, Merauke, 1904 / 1905 (New Guinea Expedition);

Other specimens examined. Indonesia: 1 ♀ CUN, BL = 45.0 mm, Papua (Irian Jaya), Sorong, 2001, leg. P. Suhanda; 1 ♂ CUN, BL = 41.0 mm, Papua (Irian Jaya), Sorong, 2005, leg. P. Suhanda; 1 ♂ CHW, BL = 41.0 mm, Papua, Timika, 2002.09; 1 ♂ CHW, BL = 40.0 mm, Papua, Timika, 2004.06.

Morphological characteristics: a large and slender species ( BL = 40.0–55.0) with body approximately 3.2 x longer than wide ( Figs. 29, 30View FIGURES 25 – 30). Antennae: relatively long in females and very long in males, extending beyond apices by about 4–5 antennomeres in females and by about six antennomeres in males. Thorax: pronotum with a longitudinal, yellowish and narrow band interrupted medially with a dark brown spot. Pronotum is densely granulated apically and below the broadened base at each lateral spine. Pronotum with two tiny tubercles medially. Elytra: sub-parallel, strongly narrowing towards apices in males, but weakly narrowing towards apices in females, with small spines scattered on the entire surface in both sexes. The colour is dark brown with two transverse and oblique, grey bands on elytra ( Figs. 29, 30View FIGURES 25 – 30). Lateral carina on elytra with a series of large granules ( Figs. 29–31View FIGURES 25 – 30View FIGURES 31 – 36). Humeral spine in males extended and pointing forward. Legs: strongly mottled with white and brown pubescence.

Venter: brown and extensively mottled with grey and dark brown pubescence, prosternal process with a large and strongly pointing tubercle anteriorly. Mesosternum and abdominal ventrites are extensively mottled with a mixture of short brownish and greyish pubescence. Male genitalia: aedeagus is about 12.0 mm long, weakly curved towards apex and compressed dorso-ventrally ( Fig. 63View FIGURES 59 – 66), dorsal surface smooth and shining ( Fig. 64View FIGURES 59 – 66). Parameres are about 3.0 mm long, fine and strongly narrowing towards apices. The inner margins well separated and diverging towards apices, with relatively long setae dorsally and ventrally, surface dorsally smooth, and the projection at base (between the two parameres) blunt ( Fig. 65View FIGURES 59 – 66). Tergite VIII (about 3.5 mm long) relatively large and rounded with a posterior margin concave in the middle and covered with relatively fine and short setae ( Fig. 66View FIGURES 59 – 66). The colour of male genitalia is brownish.

Remarks. This species is most similar to P. sepicanus  , but easily separated by the extensively mottled ventral surface with a mixture of brownish and greyish pubescence, the extended humeral spine, and the two oblique, grey bands on elytra. P. ennevei  has, so far, only been found in Indonesia, in the western parts of the island of New Guinea ( Fig. 81View FIGURE 81).


Universiteit van Amsterdam, Zoologisch Museum














Potemnemus ennevei De Jong, 1947 : 454

Wallin, Henrik & Kvamme, Torstein 2015

Potemnemus ennevei

De 1947: 454