Ambohitantella banari, Hlaváč, Peter & Nakládal, Oto, 2016

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 : 185-186

Ambohitantella banari sp. nov.

( Figs 1, 4–5 )

Material studied. Holotype, ♂: [p] ABT / Sept. 2011/02, 1.IX.2011, MADAGASCAR, 1608m, AMBOHITANTELY Spec. Res., S18°11’44.2’’ E47°17’12.2’’, sifting forest litter under Pandanus, Winkler app. extr., L. S. Rahanitriniaina lgt . CPH. 3♀♀: [p] ABT / Sept. 2011/01, 1.IX.2011, MADAGASCAR, 1604m, AMBOHITANTELY Spec. Res., S18°11’45.1’’ E47°17’13.4’’, sifting forest litter under Pandanus, Winkler app.

extr.; L. S. Rahanitriniaina lgt. CPH. 4♀♀: [p] ABT / Sept. 2011/19, MADAGASCAR, AMBOHITANTELY Spec. Res.; 4.ix.2011; S18°11’21.6‘‘ E47°17’09.0‘‘, 1626m, sifting forest litter under Pandanus ; Winkler app. Extraction, L.S. Rahanitriniaina . CPH.

Description. Body ( Fig. 1 ) entirely yellowish-brown. Length 1.55–1.60 mm, maximum width 0.63–0.65 mm.

Head widest across eyes, as long as wide or slightly elongate, rostrum rectangular, slightly longer than wide. Antennae long, segment III pedunculate at base and strongly clavate at apex, about five times wider at apex than at base, scape and pedicel small, ratio of antennomeres 1.0: 1.0: 6.9.

Pronotum as long as wide, 1.10–1.20 times as long as head. Elytra 0.7 0–0.75 times as long as wide, 1.40–1.50 times as long as pronotum, humeral calli reaching basal third of elytral length, posterior corner of each elytron sharply oblique, ratio posterior margin / maximumu width of elytra 1.25.

Abdomen 1.20–1.30 times as long as elytra. Second visible sternite (IV) 3 times as long as first (III) and 1.70 times as long as third (V), with short median keel in basal third, basolateral foveae present. Midlegs with femora bearing minuscule median spine, apical spur on mesotibiae small, apical third of tibiae with abristle setae.

Aedeagus ( Figs. 4–5 ) about 0.28 mm long, symmetrical in dorsal view, about 3 times as long as wide, basal part about 2.50 times longer than apical lobe, lacking internal structures, dorsal diaphragm large, elliptical.

Sexual dimorphism. Midlegs of female unmodified.

Biology. Unknown, all specimens were collected by sifting forest litter under Pandanus in the altitude about 1600 m above s. l.

Host ant. Unknown.

Distribution. Madagascar (Ambohitantely Special Reserve).

Etymology. Patronymic, named after Petr Baňař, Brno, Czech Republic, collector of type serie and many other beautifull Pselaphines in Madagascar.

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.