The Pselaphinae (Coleoptera: Staphylinidae) of New Caledonia and Loyalty Islands. IV. Revision of the genus Baraxina Raffray, 1896
Author
Hlaváč, Peter
Department of Entomology, National Museum, Natural History Museum, Cirkusová 1740, CZ- 193 00 Praha 9 - Horní Počernice, The Czech Republic.
Author
Jałoszyński, Paweł
Museum of Natural History, University of Wrocław, Sienkiewicza 21, 50 - 335 Wrocław, Poland.
text
Zootaxa
2021
2021-03-08
4941
2
193
216
journal article
10.11646/zootaxa.4941.2.3
1175-5326
4594979
66C25CDA-E2C1-4B38-8EB8-9CC7E4AB982D
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.