Baraxina parakoghisiana, 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 : 211-212

Baraxina parakoghisiana sp. n.

(Figs 37–38)

Material studied. Holotype: ♁: NEW CALEDONIA, with one label: “ NEW CALEDONIA 9913 / 22°03’S x 166°28’E / Mt. Dzumac road, 700m / 1 Dec 2000, GB Monteith / Pyrethrum, trunks & logs“ [white, printed] ( MNHN) . Paratypes (5 ♁♁, 5 ♀♀): 3 ♁♁, 1 ♀: same data as for holotype ( QMBA, MNHW, PCPH); 1 ♁, 2 ♀♀: one label: “ NEW CALEDONIA / 22°11’S x 166°01’E / Mt. Koghis , 500 m, 8916 / 27 Jan 2002, GB Monteith

/ Pyreth. Dead koghis tree“ [white printed] ( QMBA, PCPH); 1 ♁, 2 ♀♀: “ NEW CALEDONIA 8736 / 22°03’S x 166°28’E / Mt. Dzumac road, 700 m / 1 Nov 2001, G.B. Monteith / Pyrethrum trees & logs“ [white printed] ( QMBA, PCPH) .

Diagnosis. Profemora in males with straight basal spine; external apical margin of maxillary palpomere 2 evenly rounded, not projecting; antennomeres 9 and 10 each clearly transverse; transverse basal impression of first visible abdominal tergite well-defined, with discal carinae long, reaching basal third of tergite; aedeagus symmetrical, with apex of median lobe appearing as deeply bifurcate, long endophallic sclerites forming single transverse row near middle, parameres with narrowed, subtriangular apices, each with one apical and one mesal subapical seta.

Description. Body bicoloured, head and pronotum brownish-black, elytra, abdomen, maxillary palpi, antennae and legs reddish-brown. Body length 1.82–1.97 mm, maximum width 0.69–0.72 mm.

Head 1.00–1.04 times as long as wide. External apical margin of maxillary palpomere 2 evenly rounded, not projecting; palpomere 3 subrectangular, external margin rounded; palpomere 4 0.26–0.28 mm long, 4.00–4.33 times as long as wide.

Antennae 0.98–1.02mm long, scape 2.14 times as long as pedicel; pedicel 1.00–1.16 times as long as antennomere 3; antennomeres 3, 4 and 7 subequal in length; antennomere 5 1.29–1.38 times as long as 6; antennomere 7 1.33–1.44 times as long as 8; antennomere 9 transverse, 1.21–1.33 times as wide as long; antennomere 10 1.28–1.38 times as wide as long, 1.28–1.38 times as long as 9; antennomere 11 0.22–0.24 mm long, asymmetrical, with basal notch.

Pronotum 1.15–1.25 times as wide as long, 0.92–1.04 times as long as head, and 1.15–1.24 times as wide as head.

Elytra 1.48–1.56 times as long as pronotum, 1.15–1.22 times as wide as long.

First visible abdominal tergite (IV) with well-defined basal impression, discal carinae long, reaching basal third of tergite.

Profemora with basal spine straight; protibiae in apical fourth with spine.

Aedeagus (Figs 37–38) in dorsal view symmetrical, 0.43–0.45 mm long, apex of median lobe appearing as deeply bifurcate; endophallic sclerites long, forming single transverse row near middle; parameres with narrowed, subtriangular apices, each with one apical and one mesal subapical seta.

Etymology: The name parakoghisiana refers to a close similarity to B. koghisiana .

Distribution. New Caledonia, Southern Province.

Remarks. Studied specimens were collected in a tropical forest by fogging trunks and logs with pyrethreum.