A revision of the New Zealand species of the genus Sagola Sharp (Coleoptera: Staphylinidae: Pselaphinae: Faronitae)
Author
Park, J. - S.
Louisiana State Arthropod Museum, Department of Entomology, LSB 404 Louisiana State University Agric
Author
Carlton, C. E.
Louisiana State Arthropod Museum, Department of Entomology, LSB 404 Louisiana State University Agric
text
The Coleopterists Bulletin
2014
mo 13
2014-12-01
68
1
156
journal article
3079
10.1649/072.068.0mo4.1
62322993-ca80-4b6c-ac95-861cbb236abd
1938-4394
4907735
Sagola pittensis
Park and Carlton
,
new species
(
Figs. 37d
,
38d
,
40
)
Type Material.
Holotype
.
NEW ZEALAND
:
Chatham Islands
:
1♂
(
NZAC
), aedeagus dissected and mounted in balsam on a clear plastic card, “
Pitt Island
, 16–26-I-44,
E.S.Gourlay.
”, “
E.S.Gourlay Acc.
1970 Ent. Div.”, “
N.Z. Arthropod Collection
,
NZAC
Private Bag 92710
AUCKLAND
New Zealand”, “
HOLOTYPE
Sagola pittensis
Park and Carlton 2013
”
.
Paratypes
(
n
=
10:
4 males
;
6 females
).
NEW ZEALAND
:
Chatham Islands
:
1♂
(
NZAC
),
Taiko Camp
,
10 XI 1991
,
J.S. Dugdale
, sifted rotten wood
;
1♂
3♀♀
(
NZAC
),
Awatotara
,
182m
,
21 II 1967
,
G.W. Ramsay
, litter 67/139
;
1♂
(
NZAC
),
North
Coast
,
2 III 1967
,
G.W. Ramsay
;
3♀♀
(
NZAC
),
Pitt Island
,
16–26 I 1944
,
E.S. Gourlay
.
Etymology.
This species is named after the
type
locality, Pitt Island,
Chatham Islands
.
Diagnosis.
This species can be distinguished from the other species of the
auripila
speciesgroup by the following combination of characters: body smaller, length 1.8–2.0 mm; ventral surface of male head transversely depressed with rectangular setose process behind labium; eye small, approximately one-third length of temple; frontal sulcus deep and linear, almost reaching vertexal fovea; anterior frontal fovea round and covered by frontal rostrum; posterior frontal fovea elongate; shape of antennomeres and genitalia unique to species.
Description.
Length 1.8–2.0 mm. Body brown, antennae, maxillary palpi, elytra, and legs paler (
Fig. 37d
).
Head:
Male head as long as wide, widest across eyes (
Fig. 37d
). Ventral surface of male head transversely depressed with rectangular setose process behind mouthparts. Antennomere 1 approximately 1.5 times longer than wide, 2 longer than wide, 3–7 subquadrate, 8–10 weakly transverse. Frontal sulcus deep and linear, almost reaching vertexal fovea. Anterior frontal fovea round and covered by frontal rostrum, posterior frontal fovea elongate. Eye small, approximately one-third length of temple.
Thorax:
Prosternum as long as wide, widest at one-third length. Elytra approximately triangular (
Fig. 37d
). Meso-and metathorax trapezoidal, longer than wide.
Aedeagus:
Median lobe rectangular (
Fig. 38d
). Phallobase of median lobe symmetrical and rectangular (
Fig. 38d
). Parameres symmetrical and weakly curved with 1 seta apically and 3 setae at middle (
Fig. 38d
).
Distribution.
Chatham Islands
(
Fig. 40
: black circle).
Habitat.
Specimens of this species were collected by sifting forest litter.