Three new species of Tracholena Common, 1965 (Lepidoptera: Tortricidae: Tortricinae: Schoenotenini) from New Caledonia associated with Araucariaceae
Author
Dugdale, John S.
text
Zootaxa
2005
870
1
16
journal article
10.5281/zenodo.170880
4302257a-8b19-4c5e-ac2e-0256b9294ca1
11755326
170880
Tracholena liparodes
sp. nov.
(
Figs. 2
,
6, 9, 10
,
13
)
Material examined
:
Holotype
.
Male, “NOUVELLE CALEDONIE: Mt Panié,
1380 m
to light,
15 December 1990
, J.S. Dugdale.” “
HOLOTYPE
male/
Tracholena liparodes Dugdale
” [red card],
MNHN
Paratypes
.
New Caledonia
:
1 male
,
1 female
, same data as
holotype
except capture dates span
6–16 December 1990
,
ONNC
Noumea;
1 male
,
1 female
, ditto,
NZAC
.
Description
:
Male, female
(
Fig. 2
): Head with vertex tufts grey brown, scape grey brown; with vom Raths organ less than half length of labial palp apical segment; maxillary palp onesegmented on an inwardly spinulose pedicel, apical palp segment with 1–2 scales and apically with 4 short stiff sensilla. Flagellomeres longer than wide, 1–3 cylindrical, rest tapering apically, and each with a basal whorl of trichomes longest on the basal flagellomeres and at most only slightly longer than flagellomere length, flagellomeres with the paired sensilla coeloconica contiguous, ventroapical; labial palpus second segment scaling evenly greybrown speckled outwardly; prosternal midline scale tuft pale buff contrasting with the brown speckled fore coxae. Forewing: Shape more or less as in
paniense
(
Fig. 2
), length ca. 2.3X width (females), ca. 2.8X width (males); forewing underside with costal cell area dark greyscaled, contrasting with the rest of the wing; forewing upperside (and mesonotum) ochreous grey, with indistinct blackish markings at about ¼, ½, and a series marking apices of veins R1, R2, and R3; an interrupted serrate dark brownscaled line at ¼, and another, even less complete at about ½ wing length; Sc, R and branches with scattered small groups of dark brown scales, 1A+2A; discally with scattered irregular patches of more ochreous scales; areas of raised scales as in
nigrilinea
. Hindwing: Grey buff; the anal tuft over half the length of anal wing margin; venation: veins M3 and Cu1A coincident at base (i.e., “bifid”) and distant from vein M2 (
Fig. 6
, cf.
Fig. 5
).
Wingspan
:
Holotype
male:
15.2 mm
; 2
paratype
males: 14.8 and
15.2 mm
;
paratype
females 15.8, 16.0 and
18.2 mm
, respectively.
Male genitalia
(
Figs. 9, 10
): Uncus long, slender, decurved; uncus base broad, mesal part as in
nigrilinea
, produced anteriorly between the posteriorly extended tegumen apices; socii lobate; gnathos arms forming a U thickened towards apex, with lateral spinules outwardly, and thickened part with dorsal spinules, apex with a pair of ventral “wings; transtilla dorsally with a pair of dorsally and outwardlydirected spinose clavate arms; valva apex oblique (costal margin shorter than saccular margin), and no sclerotised strut below the M2 muscle attachment (
cf.
nigrilinea
); aedeagus (
Fig. 9
) stout, not longer than valva; with a large apical dextral hook (appressed to the vesica in
Fig. 9
); bulbus ejaculatorius entering at ca. half aedeagus length, vesica with a basal spinulose patch and 14 nondeciduous platelike cornuti arranged in 2 arcs; bulbus ejaculatorius tube stout, sinuous, hood not as long as sleeve.
Female genitalia
(
Fig. 13
): Ovipositor lobes axes more or less parallel, unmodified anteriorly. Ovipore on a level with anterior third of lobes, and minutely spinulose; sternite 8 with a raised pair of transverse curved ridges; lamella postvaginalis a broad scobinate field with a narrow, sclerotised, scobinate strip bordering the ostium bursae; lamella antevaginalis a thin sinuous sclerotised bar, ostium bursae laterally produced anteriorly (but no ligament discernible); colliculum short, ventrally split; ductus seminalis arising on a lateroventral papilla; ductus bursae and cestum sinuous, forming one long complete spiral; corpus bursae with a broadmargined, thornlike signum, corpus bursae covered in minute pitlike microsculpture.
Diagnosis:
This species resembles
T. paniense
and
T. lipara
,
being broadwinged (forewing length <2.9X width). It can be distinguished from those two by the forewing with costal cell area darkgrey scaled ventrally (not so in the others); hindwing veins M3 and CuA1 contiguous basally but not stalked (stalked in
lipara
, distant in
paniense
); aedeagus with an apical hooked process; and vesica with 14 chunky, nondeciduous, basal cornuti (a possible species apomorphy).
The unmodified ovipositor lobes, the sinuous cestum/ductus bursae (a single, elongate spiral), and presence of a strong hollow signum are character states shared with the Queensland
T. micropolia
. Other differences are noted in the “Diagnosis” of
T. paniense
below.
General notes
: While most specimens examined have a wingspan of
14–16 mm
, one female of this species exceeds
18 mm
, but it has the same venation and genital conformation as the smaller specimens of
liparodes
.
Similar variation in wingspan was reported for the femalestrobilus/seedeating
T. lipara
(
Common 1973: 302
)
but not for the foliageeating
T. dialeuca
and
T. hedraea
(
Common 1982: 222, 223
), nor for the malestrobiluseating
T. nigrilinea
(see above).
Specimens were collected at light at the same time and at the same site as
T. paniense
, under a stand of
Agathis montana
. No feeding site on any host could be found. Most specimens are greasy, indicating that larvae may be seedeaters.
Common (1973: 303)
noted that
T. lipara
specimens, reared from damaged klinkii pine (
Araucaria hunsteinii
) seeds, can become greasy, and most
T. nigrilinea
specimens, all from male cones, are greasy. Superficially, this species resembles 2 unset
T. lipara
specimens (in ANIC, CSIRO) from Bulolo in the
Papua
New Guinean Highlands, but lacks the transverse lines of orange scales so characteristic of that species.
Etymology:
The name refers to the external resemblance to
T. lipara
.