New data on geometroid moths (Lepidoptera: Geometroidea: Uraniidae and Geometridae) from Sakhalin and Moneron islands with notes on their taxonomy distribution and ecology
Author
Beljaev, Еvgeniy A.
Federal Scientific Center of the East Asia Terrestrial Biodiversity, Far Eastern Branch of the Russian Academy of Sciences, Vladivostok, Russia.
Author
Titova, Olga L.
Sakhalin Territory Department of Hydrometeorology and Environmental Monitoring, Sakhalinskaya oblast, Yuzhno-Sakhalinsk, Russia.
text
Zootaxa
2023
2023-11-08
5369
1
1
41
https://www.mapress.com/zt/article/download/zootaxa.5369.1.1/52227
journal article
10.11646/zootaxa.5369.1.1
1175-5326
10147411
B39D176D-381C-4F77-8A5F-F7992335930D
Ecliptopera pryeri
(Butler)
(
Fig. 41
)
?
Diactinia pryeri
:
Viidalepp 1977: 574
(
Sakhalin
).
?
Ecliptopera pryeri
:
Viidalepp 1996: 25
(
Sakhalin
).
Ecliptopera pryeri
:
Vasilenko & Dubatolov 2021: 258
(Yasnomorskoe).
Material examined.
4 ♂,
2 ♀
,
S
Kholmsk,
5.X.2008
,
28.VII.2018
,
30.VIII.2019
,
08.IX.2019
, 13–17.VII.2021,
30.VIII.2021
; 1 ♂, Yasnomorskoe,
23.VII.2019
.
Distribution.
Russia
(S RFE: SW
Sakhalin
, S Kurils—Kunashir and?Iturup),
Japan
(
Hokkaido
, Honshu, Shikoku),?
South Korea
.
Remarks.
T The finding of
E. pryeri
in
Sakhalin
significantly expands its distribution range to the north. The larval hostplant is unknown. In
Sakhalin
the moths fly from late July to early October, possibly in one generation.
Viidalepp (1977
,
1996
) first reported
E. pryeri
from
Sakhalin
, the Kurils, and the continental part of the south of RFE, without indicating
Ecliptopera silaceata
([Denis & Schiffermüller] on these territories. Subsequent studies did not discover
E. pryeri
in RFE, but reveal
E. silaceata leuca
(Djakonov)
, which is widely distributed here, including
Sakhalin
(for details see
Beljaev 2016: 616-617
). This put under question the cited indication of
E. pryeri
for
Russia
(
Mironov
et al.
2008: 339
, note 7543). However, the finding of a true
E. pryeri
in
Sakhalin
, flying together with
E. s. leuca
, raises the question, whether Viidalepp’s reports of
E. pryeri
from
Sakhalin
and the Kurils are correct; relevant specimens have to be re-examined.
The data on
E. pryeri
in the
GBIF (2022)
need to be revised. All specimens from the localities on continental RFE, adopted from IZBE, evidently, should be associated with
E. s. leuca
(
Table 2
). Most likely, the specimens from the extreme north of Sakhalin (Okhinskii district:
Kurina 2022d
) should be
E. s. leuca
. But the specimen from SW Sakhalin from Pyatirechye (“Pjatiretšje”:
Kurina 2022e
) might be
E. s. leuca
or the true
E. pryeri
. In view of the described situation, the indications of
E. pryeri
from Iturup Island (
Bryk 1942: 73
;
Kurina 2022f
) also require revisions. The specimens in the GBIF from
Korea
are also doubtful to be
E. pryeri
, since the distribution of this species in
Korea
needs to be confirmed (
Kim
et al
. 2016: 376–377
). So, currently
E. pryeri
should be considered endemic to
Japan
and neighbouring islands.
In comparison with typical West Palaearctic
E. silaceata
,
E. s. leuca
is similar to
E. pryeri
in narrower transverse lines on the forewing and in possessing a more straight portion of the postmedial line ahead of the vein M3, whereas in typical
E. silaceata
this portion is usually clearly arched outward. This resemblance, apparently, served as a source for the misidentification mentioned above. In addition, both,
E. s. leuca
and
E. pryeri
, are similar to the sympatric taxon,
Ecliptopera capitata capitulata
(Staudinger)
. To avoid the misidentifications, we give a key to these geometrids by appearance.