Baraxina jenisi, Hlaváč & Jałoszyński, 2021

Hlaváč, Peter & Jałoszyński, Paweł, 2021, The Pselaphinae (Coleoptera: Staphylinidae) of New Caledonia and Loyalty Islands. IV. Revision of the genus Baraxina Raffray, 1896, Zootaxa 4941 (2), pp. 193-216 : 209

Baraxina jenisi sp. n.

( Figs 29–30 )

Material examined. Holotype: ♁: NEW CALEDONIA, with one label: “ NEW CALEDONIA / Province south / Sarramea / 27.12.2006 - 10.1.2007 / Ivo Jeniš leg“ [white, printed] ( PCPH) . Paratype: 1 ♀: same data as for holotype ( PCPH) .

Diagnosis. Profemora in males with curved basal spine; palpomere 4 long and slender, over 5 times as long as wide; antennomeres 9 and 10 each clearly transverse; transverse basal impression of first abdominal tergite welldefined, with discal carinae not reaching basal third of tergite; aedeagus with symmetrical median lobe; endophallic sclerites lacking; each paramere conspicuously broad, abruptly narrowed in subapical region, with three long apical and subapical setae and one short mesal subapical seta.

Description. Body bicoloured, head and pronotum pitchy black, elytra, abdomen and appendages reddishbrown. Body length 2.05 mm, maximum width 0.67 mm.

Head 1.08 times as wide as long. External apical margin of maxillary palpomere 2 evenly rounded, not projecting; palpomere 3 subrectangular, external margin rounded; palpomere 4 long and slender, 0.36 mm long, 5.15 times as long as wide.

Antennae 1.04 mm long, scape 2.15 times as long as pedicel; pedicel 1.16 times longer than antennomere 3; antennomeres 3, 4, 8 and 9 subequal in length; antennomere 5 1.29 times as long as 6; antennomere 7 as long as 6, 1.25 times as long as 8, antennomere 9 transverse, 1.75 times as wide as long; antennomere 10 about 1.2 times as wide as long, 1.65 times as long as 9, antennomere 11 0.25 mm long, asymmetrical, with basal notch.

Pronotum 1.22 times as wide as long, 1.13 times as long and 1.27 times as wide as head.

Elytra 1.55 times as long as pronotum, 1.25 times as wide as long.

First visible abdominal tergite (IV) with basal impression well-defined, discal carinae short, not reaching basal third of tergite.

Profemora with basal spine bent outwards; protibiae in apical fourth with spine.

Aedeagus ( Figs 29–30 ) in dorsal view symmetrical, 0.50 mm long, apex of median lobe appears bifurcate; endophallic sclerites lacking; each paramere conspicuously broad, abruptly narrowed in subapical region, apices truncate and oblique, each paramere with three long apical and subapical setae and one tiny mesal subapical seta.

Etymology. This species is named after Ivo Jeniš (Náklo, Czech Republic), a friend of the first author, and collector of the studied specimens.

Distribution. New Caledonia, Southern Province.

Figures

FIGURES 17–30. Aedeagus in dorsal (17, 18, 20, 22–24, 26–29) and lateral (19, 21, 25, 30) views. Baraxina francoisi Raffray (17); B. amieuana sp. n. (18–19); B. grimbacheri sp. n. (20–21); B. kanakorum sp. n. (22); B. rutai sp. n. (23); B. aoupinica sp. n. (24–25); B. asymmetrica sp. n. (26); B. burwelli sp. n. (27); B. dzumacana sp. n. (28); B. jenisi sp. n. (29–30).