Revision Of The Palaearctic And Oriental Species Of The Genus Naarda (Lepidoptera: Erebidae, Hypeninae) Part 2. Description Of Ten New Species From Asia
Author
Tóth, Balázs
Author
Ronkay, László
text
Acta Zoologica Academiae Scientiarum Hungaricae
2015
2015-04-30
61
1
3
23
http://dx.doi.org/10.17109/azh.61.1.3.2015
journal article
101165
10.17109/AZH.61.1.3.2015
779ae168-3c95-49a5-a890-342248548e92
2064-2474
5734508
Naarda furcatella
sp. n.
(
Figs 6
,
18
, 32, 35)
Holotype
. m,
Thailand
: KanchannaburibyRiverKwaiResotel,
19–22.VII.2003
, leg.
M. Fibiger
; slide
No. TB
447m
(coll.
MF
,
ZMUC
).
Paratypes
.
Thailand
:
3 m
, 2 f, withthesamedataastheholotype; slideNosTB
419m
, TB422f, TB659f, TB675f (coll.
MF
,
ZMUC
and
HNHM
); 1 f, Prov.
Chiang Mai
,
500 m
, Mae Suai, CharinGardenResort,
99°35’E
,
19°47’N
,
2.XI.2002
, leg.
B. Herczig
&
G. Ronkay
; slide
No. TB
682f (coll.
HNHM
)
.
Indonesia
: 4 f, West-
Sumatra
,
Bukittinggi
,
980 m
00°15’30S
/
100°21’13E
19.-23. II.2002
. leg.
M. Fibiger
&
K. Larsen
; slide
Nos TB
415f, TB650f, TB680f (coll.
MF
,
ZMUC
)
;
1 f, West-
Sumatra
,
BatangPalupuh
,
880 m
,
7 km
.
N. Bukittinggi
,
00°14’34S
/
100°09’13E
;
21.II.2002
; leg.
M. Fibiger
&
K. Larsen
(coll.
MF
,
ZMUC
)
;
1 f, North-
Sumatra
,
HutuPadang
(Asahan),
RiverSilau
, 48 kmSEP.
Siantar
,
NearSialangoman
,
220 m
,
13.II.2002
. leg.
M. Fibiger
&
K. Larsen
; slide
No. TB
417f (coll.
MF
,
ZMUC
)
.
Cambodia
: 1 f, Mondolkiriprov.; SeimaBiodiversityConservationArea, road
Seima–O’Rang
;
12°15’44”N
107°03’49”E
,
360 m
;
No.
88,
27-29.I.2006
, atlight; leg.
G. Csorba
&
G. Ronkay
; slideNo. TB798f (coll.
HNHM
)
.
Taxonomy. Thisspeciesisverysimilarexternallyto
N. atrata
, butthemale genitaliashowconspicuoussimilaritiestocertainundescribedAfricanspecies.
Description. Wingspan
10.5–12 mm
, lengthofforewing
5–6 mm
. Thisisoneofthe smallest
Naarda
species.
Antennaefiliform, ciliatewithsetae. Ciliationuniquely (slightly) moredenseinfemalethaninmale. Lengthofcilia 1.5 timesthediameterofflagellumin male, halfthediameterinfemale. Setaealsolongerinmale; 2.5 timeslongerthandiameter offlagellum, infemaleonly 1.5 timeslonger. Labialpalpsfourtimesdiameterofeyesin male, nearly 2.5 timesinfemale; 3rdsegmentsmall, itstiplight; 2ndsegmentbroad, dorsal scaleslong, theirdorsaledgeconvex, inmalenearlydomed. Scale-hoodofvertexnarrowbasedandrelativelylonginmale, broad-basedandshortinfemale. Characteristicwing patternfeatures: patternandgroundcoloursimilarinbothsexes (butthefemalespecimens areworn); forewingcostanotconcaveinmale; groundcolourdarkgrey; subterminalline hardlyvisible, sinuouswithsmall, equalstreaksdirectedinwards; postmediallinedarker thangroundcolour, moresinuousthansubterminalline, stronglyangledinwardsbelow cell; antemedialandmediallinesalsopresent. Reniformstigmaflask- orpear-shaped, brightyellow, bottomthirdwithbig, blackishdot, darkedgeofreniformfragmentedinto shortsections; orbicularstigmawell- marked, asyellowasreniformstigmaandfullyencircledwithdarkline. Groundcolourofhindwinglikethatofforewinginfemale, palerin male; tracesoffasciaepresentatinnermarginonly.
Malegenitalia (
Fig. 6
). Uncusrelativelylong, slightlydilatedtowardsapex, itstip abruptlypointedtoahook- likestructure. Scaphiumaslongasuncus, slightlysinuous. Vinculumaslongastegumen. Saccusnarrow-basedbutlong, slightlytapering, itstip rounded. Juxtarounded. Valvarelativelyshort, edgesofmedialhalfparallel, basalpartrelativelybroad; costalprocesslarge, biggestinthislineage, broadlytriangularwithpointed andslightlydistallycurvedtip. Apicalfusedstructureaswideascostalprocess, verylong (1/3rdofthewholevalvallength), slightlytapering, itstipslightlycurvedupwards. Sacculusverybroadatbase, apicallytapering. Aedeagusthick, straight, withwell- developed carinalprocess. Vesica (partiallyeverted) withtwo, strongandcurvedcornuti, butwithout scobination.
Femalegenitalia (
Fig. 18
). Ovipositorlobesrounded. Apophysesthick, especially apophysesanteriores. Apophysesposteriores 1.6 timeslongerthanapophysesanteriores. LobesofsternumA7 long, rounded. Sinuslong, itsbaseextremelynarrow, slightlydilated distally. Posteriorendofductusbursaebroad, butgraduallytaperingtowardscorpusbursae. Colliculumwelldeveloped, sclerotised, funnel- shaped, coveringposteriortwo- thirds ofductusbursae. Corpusbursaeglobular, withseveralwide, curved, denselyscobinate bands; anteriorlywithbroad, verylong, slightlycurvedcervixbursaebeingtwiceaslong asrestofthecorpusbursae.
Diagnosis. Themalegenitaliaofthisnewspeciesaresomewhatsimilar to those of
N. glauculalis
, but the uncus is narrower in
N. furcatella
than in
N. glauculalis
, thesaccusismuchlonger, thedistalfusedstructureofthevalva islongerandprocess- like, theaedeagusislesscurved, thevesicaisarmedby twostrongcornuti, andastrikinglylongcostalprocessispresentinthevalva.
Thefemalegenitaliaof
N. furcatella
arereminiscenttothoseof
N. ineffectalis
sensuHolloway (
Figs 20–21
), butinthenewspeciesthesternumA7 is longer, thecorpusbursaeislesselongate, globular, andmorescobinatethan in
N. ineffectalis
.
Etymology. Thespeciesnamewasinspiredbythebifurcatevalvaofthemalegenitalia.
Distribution. ThisspeciesisfoundinthecentralpartofThailand, inCambodiaand onSumatraIsland.