New data on Limoniinae and Limnophilinae crane flies (Diptera: Limoniidae) of Korea
Author
Podenas, Sigitas
Nature Research Centre, Akademijos str. 2, LT- 08412 Vilnius, Lithuania & Life Sciences Center of Vilnius University, Sauletekio str. 7, LT- 10257 Vilnius, Lithuania
sigitas.podenas@gamtc.lt
Author
Park, Sun-Jae
Animal Resources Division, National Institute of Biological Resources, Incheon 22689, Republic of Korea
Author
Byun, Hye-Woo
Animal Resources Division, National Institute of Biological Resources, Incheon 22689, Republic of Korea
Author
Kim, A-Young
Animal Resources Division, National Institute of Biological Resources, Incheon 22689, Republic of Korea
Author
Klein, Terry A.
Force Health Protection and Preventive Medicine, Medical Department Activity-Korea (MEDDAC-K) / 65 th Medical Brigade, Unit 15281, APO AP 96271
Author
Aukštikalnienė, Heung-Chul Kim and Rasa
text
Journal of Species Research
2020
9
4
492
531
journal article
10.12651/JSR.2020.9.4.492
2713-8615
13139285
Dicranoptycha venosa
Alexander, 1924a
Dicranoptycha venosa
Alexander, 1924a: 561
;
Savchenko,
Krivolutskaya, 1976: 117.
General: Thorax dark gray, abdomen dark brown. Body length of male 10.0 mm, wing length
10.5 mm
.
Head: Dark gray, pruinose. Vertex wide. Male antenna
1.8 mm
long. Scape cylindrical, dark brown at base, turning yellowish brown towards distal end. Pedicel widening distally, obscure yellow. Flagellum 14-segmented (
Fig. 2A
), basal flagellomere widely yellow at base, brown at distal end. Second flagellomere narrowly yellowish at base, remainder brown. Third segment brown, indistinctly yellowish at base. Remainder of flagellum brown to dark brown. Basal flagellomere elongate, narrowed at base. Second to fifth segments short, nearly cylindrical, remaining segments spindle shaped, getting longer towards distal end of antenna. Apical flagellomere elongate, approximately as long as penultimate. Verticils short, twice as short as length of respective segment. Rostrum dark brown to black. Palpus short, black, covered with erect brown setae. Mouth parts pale brown.
Fig. 2.
Dicranoptycha venosa
Alexander, 1924
, male. A. antenna. B. wing. C. male genitalia, dorsal view. Scale bars: 0.5 mm.
Thorax: Generally dark gray. Mesonotal prescutum with four indistinct darker stripes. Scutellum and mediotergite concolorous with prescutum. Pleuron dark brownish gray, areas above second and third coxae indistinctly yellowish. Wing (
Fig. 2B
) yellowish to brownish, unpatterned. Stigma indistinct. Veins brown. Venation:
Sc
long, reaching beyond branching point of
Rs
,
sc-r
close to
Sc
tip.
Rs
long, slightly arched at base.
R
3
and
R
4
long and parallel to each other, slightly arched before wing margin. Discal cell long and narrow, three times as long as wide. Cross-vein
m-cu
distinctly beyond branching point of
M
, at about one-third of discal cell length.
CuP
nearly straight, anal vein slightly arched at apex. Anal lobe medium-wide. Halter
1.4 mm
long, pale, knob slightly infuscate. Fore coxa dark brown, postero-ventral margin yellowish. Medial and posterior coxae obscure yellow. Trochanters yellow with dark brown distal rim, which do not extends onto dorsal surface. First femur dark brown with about the basal third yellow. Second and third femur yellow, distal end narrowly dark brown. Tibia brownish yellow, distal end narrowly darkened. Basal tarsomere brownish yellow, with dark brown distal end, remaining tarsomeres dark brown. Legs covered with short, semi-erect brown setae. Femur III and tibia III:
9.2 mm
long.
Abdomen: Grayish brown with dark brown distal segments. Male terminalia (
Fig. 2C
) obscure yellow. Ninth tergite with widely concave and densely setose posterior margin. Gonocoxite simple, elongate-oval. Outer gonostylus sickle-shaped, wider at base, pointed at apex, posterior margin distinctly serrated. Inner gonostylus fleshy, wider at base, narrower at distal end, blunt-apexed and covered with sparse setae. Lateral process of lateral apodeme of vesica with distinctly arched distal part and small subbasal lobe. Aedeagus bifid at apex.
Elevation range in
Korea
:
Species was found at about
225 m
altitude.
Period of activity:
Species was discovered at the end of May in
Korea
.
Habitats:
Mixed grooves, pine with broad leaved deciduous trees, on slope of nearly dry mountainous stream. Species is attracted to light.
General distribution:
Species is known from Sakhalin and Kuril Islands of the Russian Far East and
Hokkaido
Island,
Japan
. This is the first record from the continent.
Examined material
(
Fig. 16B
):
1 male
(in EtOH), S.
Korea
,
Gyeonggi-do
,
Yangpyeong
,
Cheongun-myeon
,
Dowon-ri
,
N 37.54507
,
E 127.79483
, alt.
224 m
, 2017. 05.28,
S. Podenas
, at light (
NIBR
)
.
Also
compared with
D. venosa
specimens listed in
Podenas
et al.
, 2015
and specimens from
Japan
and the
Russian Far East
:
1 male
(wing slide mounted),
Japan
,
Maoka
,
Saghalien
,
1922.07.28
,
Teiso Esaki
(
USNM
)
;
1 male
(wing slide mounted),
Japan
,
Shikotsu
,
Hokkaido
,
1922.09.24
,
Teiso Esaki
(
USNM
)
;
1 male
,
1 female
(wings, legs and genitalia slide mounted),
Saghalien
,
Ochiai
,
1932.09.08
,
M. Hori
(
USNM
)
;
1 female
(pinned),
Akita
Psn
,
Tamagawa
,
500 m
,
1951.06.18
,
Issiki-Ito
(
USNM
)
;
1 female
,
1 specimen
of unknown sex (broken abdomen) (pinned),
Akita
PW
,
Yuze
,
250 m
,
1951.06.22
,
Issiki-Ito
;
1 male
(pinned),
Alps
,
Nakabusa
,
1951.07.24
,
Inove
(
USNM
)
;
1 female
(pinned),
N. Alps
,
Yoshikiya
,
1951.07.28
,
Inove
(
USNM
)
;
4 females
(pinned),
N. Alps
,
Kamikochi
,
1951.07.29
,
Inove
(
USNM
)
.