Triceratomerus Jeannel, 1960

Hlaváč, Peter & Nakládal, Oto, 2016, The Pselaphinae (Coleoptera: Staphylinidae) of Madagascar. VI. Description of Ambohitantella banari gen. et sp. n. with notes on Nearticerodes Jeannel, 1954 and Triceratomerus Jeannel, 1960, Zootaxa 4189 (1), pp. 183-188 : 187

Triceratomerus Jeannel, 1960

( Figs. 3, 6–7 )

Triceratomerus Jeannel, 1960: 195 . Type species: Triceratomerus sparsepunctatus Jeannel , original designation.

Diagnosis. Body ( Fig. 3 ) entirely reddish-brown, length 1.75 mm, maximum width 0.78 mm. Head and pronotum glabrous with sparce well-defined puncturation. Antennae 3-segmented, terminal segment 9.5 times as long as pedicel, not pedunculate, narrowed at base and expanded apicaly. Pronotum lacking foveae and sulci. Elytra lacking basal foveae, sharply oblique and with three setae at posterior corners. Composite tergite (IV–VI) glabrous, with entire transverse groove, lacking trichomes. First paratergites projecting, bearing small trichome. Metaventrite glabrous, with small sharp facing forward spine on anterior metaventral process, with large impression in front of posterior metaventral process. Legs long, mesofemora with long, median spine, mesotibiae with preapical spur. Aedeagus ( Figs. 6–7 ) about 0.34 mm long, symmetrical, parameres fused to median lobe, basal bulb elongate, longer and well-delimited from shorter and at apex narrow and rounded apical lobe, dorsal diaphragm large, oval. The genus is monospecific.

Figures

FIGURES 1 – 7. Ambohitantella banari gen. et sp. nov. Hlaváč & Nakládal, male: 1, habitus, dorsal view; 4, aedeagus, dorsal view; 5, aedeagus, lateral view; Nearticerodes laevis Raffray, male: 2, habitus, dorsal view; Triceratomerus sparsepunctatus Jeannel, male: 3, habitus, dorsal view; 6, aedeagus, dorsal view; 7, aedeagus, lateral view.