Revision of the New Caledonian genus Pseudonthobium Paulian, 1984 (Coleoptera: Scarabaeidae: Epilissini) Author Montreuil, Olivier Author Théry, Thomas text Zootaxa 2011 2863 49 62 journal article 10.5281/zenodo.277392 8244ec23-791f-4ef0-b5ff-051bd2aaddee 1175-5326 277392 Key to species of Pseudonthobium 1. Length 3.5–4.5 mm .................................................................................... 2 - Length 6.0– 10.5 mm ................................................................................... 4 2. Length 4.5 mm . Male unknown. Side of elytra evenly curved along base, then straighter, convergent; elytra appearing elongated. Protibia bidentate on outer margin, basal tooth not visible. Female elytral lateral depression deep, affecting a large part of the 4th and 7th interstriae............................................................... P. foveolatum n. sp. - Length 3.5–4.0 mm. Side of elytra evenly curved, elytra of normal shape. Protibia tridentate on outer margin, basal tooth small but well developed; elytra of female without depression or with superficial lateral depression not affecting the 4th and 7th interstriae............................................................................................... 3 3. Female without any depression on elytra................................................. P. monteithianum n. sp. - Female with a deep depression at the middle on the side of elytra, affecting at least the 5th and 6th interstriae.................................................................................................. P. fracticolle (Fauvel) 4. Apical margin of 8th tergite strongly enlarged; lobes of basal margin of pronotum strongly projected ( Fig. 27 ); elytra with numerous setae, setae short or long but always densely distributed on the surface of the disc......................... 5 - Apical margin of 8th tergite not particularly enlarged; lobes of basal margin of pronotum feebly projected ( Fig. 26 ); elytra glabrous or with sparse setae, mostly distributed on odd interstriae, near apex....................................... 8 5. Tegument bearing strong coppery or metallic reflections; inner margin of male protibia straight, deeply notched, hook-shaped before apex ( Fig. 23 ); posterior margin of mesofemora angulate at the middle; patches of setae distributed on odd interstriae........................................................................................ P. paniense n. sp. -..Tegument completely black without any metallic reflections; inner margin of protibia sinuate, largely notched, with a strong lamella ( Figs. 18, 21, 22 ); posterior margin of mesofemora normal; setae evenly distributed on odd interstriae........... 6 6. Hind margin of male metafemora straight; right paramere straight in dorsal view ( Fig. 10 )........ P. fracticolloides Paulian - Hind margin of male metafemora more-or-less notched close to the base ( Fig. 28 ); right paramere curved outward in dorsal view ( Figs. 13, 14 )..................................................................................... 7 7. Length 6.0–8.0 mm; elytra normal, external margin evenly curved ( Fig. 5 ); base of posterior margin of metafemora feebly notched; metatibia normal, shorter than metafemora, feebly curved; parameres: Fig. 14 ............. P. humboldtense n. sp. - Length 8.0– 10.5 mm ; elytra elongated, external margin distinctly sinuate after middle ( Fig. 4 ); base of posterior margin of metafemora distinctly notched; metatibia as long as metafemora, straight; parameres: Fig. 13 ........ P. sinuatotibiale n. sp. 8. Apex of left paramere strongly projected laterally ( Fig. 12 ); inner margin of protibia strongly notched before apex, hookshaped ( Fig. 20 )........................................................................... P. genieri n. sp. - Apex of left paramere elongate, feebly projected laterally ( Fig. 11 ); inner margin of protibia simply notched before apex ( Fig. 19 )........................................................................................ P. doense n. sp.