Synopsis of the tribe Zolini in New Zealand (Coleoptera: Carabidae)
Author
Larochelle
Author
Larivière, Marie-Claude
Author
Larochelle
Author
Larivière
text
Insecta Mundi
2017
2017-12-29
2017
594
1
110
journal article
10.5281/zenodo.5169575
1942-1354
5169575
89FC75EA-2324-4361-B818-FBA7B7682A00
Zolus unisetosus
new species
Fig. 159, 160, 161
Holotype
: male (
NZAC
) labeled: “
NEW ZEALAND
OL Mt [= Mount] Aspiring NP [= National Park], Blue Pools walk
350m
-44.1623
169.2736
7.III.2017
Larivière, Larochelle (typed) / Wet silver beech forest on river terrace. Under logs and fallen branches. (typed) /
HOLOTYPE
[male symbol]
Zolus unisetosus
Larochelle & Larivière, 2017
(red label; typed).”
Paratypes
:
one female
(NZAC) from Cameron Flat, Mount Aspiring National Park (OL) and
two females
(NZAC) from Mount Kinnaird, Westland National Park (WD), bearing blue
paratype
labels.
Description
. Body length
9.2–10.1 mm
. Head, pronotum, elytra, and abdomen mostly black piceous; abdomen yellow laterally; antennae, palpi, and legs reddish; apical half of femora pale yellow. Microsculpture moderately deep, isodiametric on head, moderately transverse on pronotum, very deep and strongly isodiametric on elytra. Iridescence absent. Very shiny on head and pronotum, dull on elytra, without metallic luster.
Head
. Labrum strongly transverse, slightly emarginate anteriorly. Antennae subfiliform, very long: segment 1 (scape) very long, about 2.5x longer than its maximum width. Frontal furrows wide, deep, convergent. Eyes strongly convex; a single setiferous puncture on inner side of each eye (posteriorly). Tempora not inflated. Mentum: medial tooth entire, acute apically, moderately shorter than lateral lobes. Paraglossae membranous, prominent, about as long as ligula.
Thorax
. Pronotum strongly convex, coarsely punctate across base, wrinkled discally and across base, moderately cordate, widest about middle; apex truncate; anterolateral angles poorly developed, rounded; anterior bead complete; sides strongly rounded, moderately sinuate posteriorly; lateral grooves very deep, very long (longer than adjoining foveae); a single setiferous puncture on each side (anteriorly); posterolateral angles rectangular; posterolateral carinae sharp, very long (longer than adjoining foveae); laterobasal foveae well defined, coarsely punctate, very deep and wide, oblong, prolonged forward, simple; posterior bead absent; base depressed throughout (convex medially in other
Zolus
species
), emarginate, much wider than pronotal apex, about as wide as elytral base.
Legs
. Very long.
Elytra
. Moderately convex, ovate, widest about middle. Basal margin complete, reaching about scutellum. Shoulders slightly rounded. Sides strongly rounded. Scutellar striole present. Striae complete, very deep, impunctate; stria 3 or interval 3 with three setiferous punctures. Recurrent stria long, sharp, directed apically toward stria 5. Intervals moderately convex. Sutural apices broadly rounded.
Abdomen
. Last visible sternum (sternum VII): male with two apical ambulatory setae; female with four apical ambulatory setae.
Aedeagus
. Lateral view (
Fig. 160
): strongly arcuate, moderately widened in apical half; base slightly convex dorsally; middle angulate anteriorly and moderately sinuate dorsally, moderately convex ventrally, with dorsal membranous area very wide and long; apex triangular, strongly convex dorsally, moderately convex ventrally, with extreme tip wide and short. Dorsal view: very wide, asymmetrical (ostium of membranous area deflected to right); apex straight; basal orifice wide, closed anteriorly, moderately distant from membranous area. Parameres with six apical setae.
Material examined
.
12 specimens
(
CMNZ
,
NZAC
).
Geographic distribution
(
Fig. 161
). South Island: OL–Mount Aspiring National Park (Blue Pools Walk; Cameron Flat).
WD
–Jackson Bay. Westland National Park (Mount Kinnaird). Open Bay Islands.
Ecology
. Lowland, montane. Epigean. Wet forests (beech, broadleaf). Shaded. Nocturnal; active at night on trees; hides during the day under logs, fallen branches, and stones.
Biology
. Seasonality: September, December, August. Predacious (based on mouthpart morphology). Occasionally infested with fungi (Laboulbeniales).
Dispersal power.
Subapterous (incapable of flight). Fast runner. Regular climber.
Collecting techniques
. Lifting logs, fallen branches, and stones.
Remarks
. This species is based on the Latin
uni
(one) and
setosus
(setose), referring to the pronotum with a single setiferous puncture on each side (anteriorly).
Zolus unisetosus
is morphologically close to
Z. wongi
. In addition to diagnostic characters of the male genitalia,
Z. unisetosus
has the following distinguishing features: body length
9.2–10.1 mm
; eyes strongly convex; pronotum strongly convex, widest about middle, sides strongly rounded, a single setiferous puncture on each side (anteriorly), base depressed throughout; elytra with intervals moderately convex and sutural apices broadly rounded.
Zolus unisetosus
is restricted to southwestern South Island (OL, WD), while
Z. wongi
occurs mostly in western areas of the South Island (SD to WD).