The Elachistidae (Lepidoptera: Gelechioidea) of Caucasus, with description of three new species
Author
Sruoga, Virginijus
Author
Sinev, Sergey Yu.
Author
Rocienė, Agnė
text
Zootaxa
2017
2017-10-25
4338
2
241
262
journal article
31747
10.11646/zootaxa.4338.2.2
16138ece-e897-47f9-a3e7-7bece81dde92
1175-5326
1036093
2B56C761-348D-40AF-8EB9-80FEFB792719
Elachista candidella
Sruoga & Sinev
,
sp. nov.
(
FIGS 27–32
)
Type material.
HOLOTYPE: ♂, KRASNODARSKII KRAI, SEVERSKII R-N (DISTRICT), KHR.[EBET] (MOUNTAIN RANGE) PAPAI, H=700–800 M.,
19.VI.1998
, V. SHCHUROV LEG. GEN. PREP. VS460.
PARATYPE
:
1♂
,
KRASNODARSKII KRAI
,
SEVERSKII R-N
(DISTRICT), OKR.[ESNOSTI] (ENVIRONS) ST.[ANITSA] (VILLAGE), UBINSKAYA, G.[
ORA
] (
MOUNTAIN
) SOBER-OASHKH,
07.
VI.2003
, V. SHCHUROV LEG. GEN.
PREP
.
VS450
(
ZIN
).
Diagnosis.
IN WING PATTERN AND MALE GENITALIA, THIS SPECIES CLOSELY RESEMBLES
Elachista distigmatella
FREY, 1859
(fOR ILLUSTRATIONS REfER TO KAILA
et al
. 2015: fIGS 12, 13, 64, 65). HOWEVER, THE fOREWING IN THE NEW SPECIES IS SPOTLESS. IT DIffERS fROM
E. distigmatella
IN MALE GENITALIA MAINLY BY THE WIDER GROUP Of CORNUTI WITH APICAL CORNUTUS MUCH LONGER THAN BASAL ONES.
Male
(
FIGS 27, 28
). FOREWING LENGTH 4.0–4.5 MM; WINGSPAN 8.5–9.5 MM (N=2). HEAD: FRONS, VERTEX AND NECK TUfT WHITE; LABIAL PALPUS WHITE, SECOND SEGMENT PALE fUSCOUS BELOW, SLIGHTLY LONGER THAN DIAMETER Of HEAD; SCAPE AND PECTEN WHITE; BASALLY fLAGELLUM WHITISH, OTHERWISE PALE OCHREOUS GREY. THORAX, TEGULAE AND fOREWING WHITE; fRINGE WHITE. HINDWING WHITE, fRINGE WHITE WITH SLIGHT YELLOWISH TINGE.
Female.
UNKNOWN.
Male genitalia
(
FIGS 29–32
). UNCUS LOBE SHORT AND WIDE, MESIAL MARGIN CONVEX, APEX POINTED, DIRECTED OUTWARD. SPINOSED KNOB Of GNATHOS LARGE, OVAL-SHAPED, 1.5 TIMES
AS
LONG
AS
WIDE. VALVA ALMOST PARALLEL SIDED, 5 TIMES
AS
LONG
AS
BROAD IN ITS MEDIAN AREA. JUXTA LOBES DEVOID Of SETAE, MESIAL AND DISTAL MARGIN ROUNDED WITHOUT DISTINCT LIMIT. DIGITATE PROCESS TONGUE-SHAPED, 0.2 TIMES
AS
LONG
AS
VALVA, MEDIALLY AND DISTALLY WITH STOUT SETAE. VINCULUM WITH BROAD SACCUS. PHALLUS ABOUT 0.8 TIMES
AS
LONG
AS
VALVA, BENT, DISTALLY TAPERED TOWARDS APEX; CORNUTUS CLUSTER fORMED Of fEW SMALL AND CLOSELY SET SPINES AND ONE VERY LONG, STOUT AND STRAIGHT APICAL SPINE, WIDTH Of CLUSTER ABOUT 0.4 TIMES
AS
WIDTH
AS
DIAMETER Of PHALLUS IN ITS MIDDLE.
Biology.
UNKNOWN.
Flight period.
BASED ON THE SPECIMENS AVAILABLE, ADULTS fLY IN JUNE.
Distribution.
SO fAR THIS SPECIES IS KNOWN ONLY fROM NORTH-WESTERN CAUCASUS (
KRASNODAR KRAI
,
RUSSIA
).
Etymology.
THE SPECIES NAME IS DERIVED fROM THE LATIN
candidus
(DAZZLING WHITE) IN REfERENCE TO THE WHITE, SPOTLESS fOREWING.