On the taxonomy of the genus Sacada Walker, 1862 from India, with descriptions of a new genus and two new species (Pyralinae, Pyralidae, Lepidoptera)
Author
Singh, Navneet
Zoological Survey of India, M-Block New, Alipore, Kolkata 700 053, West Bengal, India
nsgill007@gmail.com
Author
Kirti, Jagbir Singh
Department of Zoology and Environmental Sciences, Punjabi University, Patiala 147 002, Punjab, India
Author
Ranjan, Rahul
Zoological Survey of India, M-Block New, Alipore, Kolkata 700 053, West Bengal, India & Department of Zoology and Environmental Sciences, Punjabi University, Patiala 147 002, Punjab, India
Author
Chandra, Kailash
Zoological Survey of India, M-Block New, Alipore, Kolkata 700 053, West Bengal, India
Author
Speidel, Wolfgang
Museum Witt, Tengster, 33, 80796, Muenchen, Germany
text
ZooKeys
2020
962
139
163
http://dx.doi.org/10.3897/zookeys.962.51194
journal article
http://dx.doi.org/10.3897/zookeys.962.51194
1313-2970-962-139
11F3B46BE8744814B14346ED071C224C
CC46D5421C7B57B3A6C3C3FBBE98E811
Sacada sikkima (Moore, 1879)
Figs 1
, 2
, 19
, 20
Paravetta sikkima
Moore 1879
: 70.
Description.
Male, wingspan 28 mm (Figs
1
,
2
). Adult dark purplish fuscous. Forewing with a dark rufous rectangular patch near base, touching antemedial line which is highly angled in interno-median interspace; postmedial line pale, sinuous, outwardly oblique from costa to vein M2, then very oblique to inner margin; area between antemedial and postmedial line paler and beyond postmedial line darker. Hindwing pale brown; a pale, slightly waved submarginal line crossed by a dark streak at vein Cu1.
Male genitalia
(Figs
19
,
20
). Uncus broad with flaps on lateral side, gnathos reaching up to tip of uncus, tip hooked; valva simple, without any process; tegumen simple; transtilla broad with sclerotised, bifid process originating medially; juxta in form of two long arms, broad medially, spined apically; saccus deeply U-shaped; vesica membranous with fine scobination, without any cornuti.
Diagnosis.
Sacada sikkima
is externally similar to
S. constrictalis
from India, but differs by its larger size, and in having the postmedial line outwardly oblique from the costa to vein M2, whereas, in
S. constrictalis
the postmedial lines is almost straight. In the male genitalia (Figs
19
,
20
), the transtillar processes are longer; the juxta is larger.
Type material examined.
Lectotype (Fig.
2
): BMNH (E) 1626971, male, Darjeeling, Moore coll. 94-106,
Paravetta sikkima
Moore, det. M. Shaffer, 1976.
Other material examined.
India, Sikkim: 1 ♂, Dodak, 24.ix.2014, leg. R. Ranjan (Coll. NZC ZSI). India, Uttarakhand: 1 ♂, Dehradun, 22.v.2014, leg. R. Ranjan (Coll. NZC ZSI). India, Meghalaya: 1 ♂, Umtasor, 15.ix.2014, leg. R. Ranjan (Coll. NZC ZSI). India, Mizoram: 1 ♂, Mamit, 08.ix.2016, leg. R. Ranjan (Coll. NZC ZSI); India, Arunachal Pradesh: 1 ♂, Dibang valley, Italin, 26.x.2017, leg. R. Ranjan (Coll. NZC ZSI).