A review of the genus Cyana Walker, 1854 from India, with descriptions of five new species and three new subspecies (Lepidoptera: Erebidae: Arctiinae: Lithosiini)
Author
Singh, Navneet
Author
Volynkin, Anton V.
Author
Kirti, Jagbir Singh
Author
Datta, Harvinder Singh
Author
Ivanova, Maria S.
text
Zootaxa
2020
2020-02-18
4738
1
1
93
journal article
23994
10.11646/zootaxa.4738.1.1
f0ba3254-67ac-4d33-a341-c71ff16c05f0
1175-5326
3672439
B29D53CB-4E0D-4A25-97EC-ED983730E8B2
Cyana flavicincta
(
Hampson, 1903
)
(
Figs 44, 45
,
187
,
258
)
Chionaema flavicincta
Hampson, 1903
,
The Annals and magazine of natural history
(7) 11 (64): 345 (
Type
locality: [
India
,
Meghalaya
, Khasi Hills] “
Assam
, Khásis”).
Type material examined.
Holotype
(by monotypy) (
Fig. 44
):
♂
, printed label “Khasis. Nat. Coll.” / handwritten label “
Chionaema flavicincta
type
♂
. Hmpsn.” / handwritten label “
1903-66
” / printed round label with a red circle “Type” / printed label with a unique identifier “NHMUK010402076” (Coll.
NHMUK
).
Other material examined
.
ASSAM
:
1 ♂
, NE
India
,
Assam
,
Nameri Nat. Park
,
40 km
N Tezpur
,
150 m
,
27°20’N
,
93°15’E
,
24.VII–2.VIII.1997
, leg.
Sinjaev
&
Murzin
(
Coll.
MWM
/
ZSM
)
;
MEGHALAYA
:
1 ♂
,
Khasis
,
VIII.1896
,
Nat. Coll.
/
Rothschild Bequest B.M.
1939–1. / 505 (
Coll.
NHMUK
)
;
1 ♀
,
Khasia Hills
(
Coll.
NHMUK
)
;
7 ♂
,
2 ♀
, NE
India
,
Assam
, W
Meghalaya
,
Garo Hills
,
Nokrek National Park
,
25°40’N
,
91°04’E
,
1150 m
,
2– 13.VII 1997
, leg.
Afonin
&
Sinajev
, slides MWM 35721 (
♂
), MWM 35722 (
♀
), MWM 35748 (
♀
)
Volynkin
(
Coll.
MWM
/
ZSM
)
;
1 ♀
, NE
India
,
Meghalaya
,
Cherrapunji
,
5.IX.2014
, leg.
H.S. Datta
(
Coll.
NZCZSI
)
;
1 ♂
,
Meghalaya
,
Pynursla
,
10.IX.2014
, leg.
H.S. Datta
(
Coll.
NZCZSI
)
;
2 ♀
,
Meghalaya
,
Pynursla
,
11.IX.2014
, leg.
H.S. Datta
(
Coll.
NZCZSI
)
;
1 ♀
,
Meghalaya
,
Jowai
,
29.IX.2014
, leg.
H.S. Datta
(
Coll.
NZCZSI
)
;
1 ♀
,
Meghalaya
,
Cherrapunji
,
12.IX.2015
, leg.
Devinder Pal Singh
(
Coll.
NZCZSI
)
;
3 ♂
,
3 ♀
,
Meghalaya
,
Cherrapunji
,
13.IX.2015
, leg.
Devinder Pal Singh
(
Coll.
NZCZSI
)
;
1 ♀
,
Meghalaya
,
Umran
,
25.IX.2015
, leg.
Devinder Pal Singh
(
Coll.
NZCZSI
)
.
Diagnosis.
Forewing length is
14.5–15 mm
in males and
18–18.5 mm
in females.
Cyana flavicincta
morphologically well differentiated from other
Cyana
species. Externally it slightly resembles
C. peregrina
, but differs clearly by its much larger size and larger black discal spots. In addition, the male of
C. flavicincta
differs from that of
C. peregrina
by the absence of an elliptical dark brown spot at hindwing costa, the discal black spots forming a more elongated triangle, the postmedial line perpendicular to the forewing costa (that is oblique in
C. peregrina
), the additional red stroke at costa situated in the medial area (whereas in
C. peregrina
that is situated in the postmedial area). The male genital capsule of
C. flavicincta
is similar to that of
C. peregrina
, but the distal section of valva is slightly broader and the distal saccular process is slightly narrower. The vesica structure of
C. flavicincta
is very different from that of
C. peregrina
and most resembles those of not related
C. puer
and
C. neopuer
, but differs from them clearly by the presence of a hook-like curved ventral subbasal diverticulum, the presence of a cluster of very short spinules on the subbasal ventral diverticulum, and the absence of small medio-lateral diverticula bearing dense clusters of numerous short spinules (whereas in
C. puer
and
C. neopuer
there are two and one such diverticula respectively). The configuration of the female genitalia of
C. flavicincta
also resembles those of
C. puer
and
C. neopuer
, but
C. flavicincta
can be easily distinguished from them by its narrower ductus bursae, weakly sclerotized and rugose posterior section of the corpus bursae (similar to that of
C. peregrina
), and less elongate corpus bursae with a band-like signum (whereas in
C. puer
and
C. neopuer
corpus bursae is more elongate and bears two signa, round and elliptical ones).
Distribution.
North East
India
(
Assam
,
Meghalaya
) (
Hampson 1903
).