--- Revision- -- of- -- the- -- New- -- Zealand- -- species- -- of- -- the- -- Genus- -- Pselaphogenius Reitter- -- (Staphylinidae: --- Pselaphinae: --- Pselaphitae: --- Pselaphini) ---
Author
Owens, Brittany E.
0000-0001-5713-9845
Author
Carlton, Christopher E.
0000-0002-4234-3672
text
Zootaxa
2022
2022-06-21
5155
2
187
220
journal article
78127
10.11646/zootaxa.5155.2.2
bb634c5e-8112-4b30-98be-f4370dc359ef
1175-5326
6673382
FCC44D3F-CFF1-4C59-ADF6-7EAF8E64F3C4
Pselaphogenius gibbus
Owens&Carlton,sp.nov.
(Figs. 5e, 22a–c)
TypeMaterial.
Holotype
:(1male)
NEW ZEALAND
,
ND Unuwhao
,
270m
25 Nov 1982
G. Kuschel
// sifted litter and decayed wood 82/125 (
NZAC
)
.
Paratypes
:(3females)
holotype
locality (
NZAC
);
(1male,1female)
New Zealand
,
ND Kohuronaki
,
270m
24 Nov 1982
G. Kuschel
//
Litter
and decayed wood 82/123 (
NZAC
)
.
Etymology.
The specific epithet refers to the humped form of the median lobe on the aedeagus of males of this species.
Diagnosis.
Externally, the median depression on ventrite II margined by carinae and the presence of a small median projection angled anteriorly at the hind margin of ventrite II distinguishes this species from all others in the genus in
NZ
. The form of the aedeagus with a large dorsal hump at the base of the median lobe is also unique.
Redescription.
MALE.
Integument:
head, pronotum, elytra, abdomen, and appendages light brown, palpi lighter in color.
Head:
width between eyes equal to ½ length of head from base of vertex to apex of rostrum. Eyes rounded, composed of 15 facets. Frontal margin of rostrum rounded in dorsal view. Gular mound modified, as wide as long, broad anteriorly and rounded posteriorly; area of head posterior to gular mound flattened, slightly concave, bearing dense setae. Maxillary palpomere IV shorter than head, narrow, widened at base and distal 1/3, v-shaped sensory patches present.
Thorax:
pronotum basal sulcus absent, lateral antebasal foveae and median antebasal fovea reduced. Mesoventrite with median shield unmodified. Metaventrite afoveate, median flattened area declined posteriorly, margins thickened, metacoxae separated by extension of ventrite I. Legs unmodified. Elytra with single basal foveae and single sutural fovea present; discal stria present, short, sutural striae present.
Abdomen:
tergites of usual form for tribe. Ventrite I covered in dense, shining setae; ventrite II with basal sulcus occupying length of ventrite, sulcus densely setose, circular median depression reaching apex, margined by carinae, apex of ventrite bearing small median projection angled anteriorly.
Genitalia:
aedeagus symmetrical. Median lobe simple, slightly curved dorsally at distal end with large dorsal hump-like process at base. Lateral processes absent. Ventral process simple, gently curved. Parameres short, extending about half the length of the median lobe, bearing elongate distal setae reaching margin of median lobe.
Females.Integument,Head,Thorax,Abdomen:
Females are similar to males except eyes slightly smaller and ventrite II lacking median ovate depression.
Distribution.
This species is only known from the
type
series.