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 nunni
Park and Carlton
,
new species
(
Figs. 15e
,
16e
,
18
)
Type Material.
Holotype
.
NEW ZEALAND
:
Northland
:
1♂
(
NZAC
), aedeagus dissected and mounted in balsam on a clear plastic card, “
NEW ZEALAND
ND Whangae Stm Kawakawa, 14.11.94”, “
HOLOTYPE
Sagola nunni
Park and Carlton 2013
”
The
original label does not mention who collected this specimen, but the collector is J.
T
.
Nunn
.
Paratypes
(
2 males
).
NEW ZEALAND
:
Northland
:
1♂
(
NZAC
),
Waipoua SF
,
Four Sisters
,
4 II 1975
,
S.E. Nicols
, litter 75/93
;
1♂
(
AMNZ
),
Waima Forest
,
Hauturu Tr.
,
220–360m
,
25 III 1993
,
J.W. Early
, kauribroadleaf-nikau forest, screen sweep
.
Etymology.
This species is named for the collector of the
holotype
, John T. Nunn, who also provided many valuable specimens for this study.
Diagnosis.
This species can be distinguished from the other species of the
baiknami
speciesgroup by the following combination of characters: smaller body, length
2.5–2.8 mm
; male head bluntly triangular, widest across eyes, ventral surface of head with short carina from hind-point of eyes; male mid-femur weakly depressed at base and mid-tibia bent; shape of antennomeres and genitalia unique to species.
Description of Male.
Length
2.5–2.8 mm
. Body brown, antenna, elytra, legs, and maxillary palpi paler (
Fig. 15e
).
Head:
As long as wide, widest across eyes, ventrally with short carina from hind point of eyes, as long as eye (
Fig. 15e
). Antennomere 1 approximately 2 times longer than wide, 2–3 subquadrate, 4 elongate, 5–9 longer than wide, 9–10 subquadrate. Frontal sulcus reaching midpoint of eye from end of frontal rostral lobes. Anterior frontal fovea round. Posterior frontal fovea elongate. Eye large and prominent, onethird length of temple.
Thorax:
Prosternum as long as wide, widest at midpoint. Elytra rectangular (
Fig. 15e
). Hind wings well-developed. Meso-and metathorax trapezoidal, longer than wide. Male mid-femur weakly depressed at base. Male mid-tibia bent.
Abdomen:
Tergite IV with a pair of transverse patches of microtrichia reaching middle.
Aedeagus:
Median lobe elongate with acute minor lobe at base (
Fig. 16e
). Apical lobe of genitalia umbrella-shaped (
Fig. 16e
). Phallobase of median lobe asymmetrical and triangular. Parameres asymmetrical, right paramere with minor lobe apically (
Fig. 16e
).
Distribution.
Northland
(
Fig. 18
: black circles).
Habitat.
Specimens of this species were collected by sweeping and sifting leaf litter in kauri, broadleaf, and nikau forests.