Robber flies of South Korea — II. South Korean species of the Subfamily Asilinae Latreille, 1802 (Diptera, Asilidae)
Author
Young, Charles L.
text
Zootaxa
2006
1132
1
30
journal article
10.5281/zenodo.171900
8aa3eeaf-16f9-4873-9a41-c364014ae96a
11755326
171900
Eutolmus brevistylus
(
Coquillett, 1898
)
(
Figs 4
,
16
,
32, 33
&
61
)
Asilus brevistylus
Coquillett, 1898
Coquillet (1898: 314)
. =
Eutolmus ussuriensis
Engel, 1928
: 148
.
Medium to large sized brown flies,
20 to 27mm
. 46 strong, stout ventral spines on the anterior femur. Tibia reddish yellow. Male sternite 8 greatly elongated medially with long yellow or black hair. Gonostylus with a medioventral arch (
Fig.16
) (more pronounced than in
E. koreanus
). Aedeagus long and slender, trifid apices flared and tapered (
Figs. 32, 33
). Female sternite 8 angled upwards; cercus embedded into tergite 9, sharp at distal apex (
Fig. 61
).
Head
: Mystax with long yellowish white hair below, shorter black hair along facial grooves.
Thorax:
Chaetotaxy with 1 posthumeral bristle; 2 notopleural; 3 supraalar; 3 postalar, 5 dorsocentral bristles. Scutellum yellow pollinose with black or yellow short erect hair; 4 marginal bristles. Pleura yellow gray pollinose, yellow and black hair.
Legs:
Femora black with yellow and black hair and black bristles, fore femur with 4 6 conspicuous stout, sharp ventral spines; tibia reddish orange, black at apices with yellow and black hair, black bristles.
Wings:
Entire wing tinged brown.
Abdomen:
Tergites gray, fine appressed gold and black tomentose; post lateral bristles on tergites 14. Gonostylus with a medioventral arch (
Fig. 16
) (more pronounced than in
E. koreanus
).
South Korean distribution. Ch
ǒ
llabuk Do Province.
IksanShi. Mirŭksan.
36°01’12”N
,
127°01’52”E
. Kunsan. Umpa Lake.
35°57’93”N
,
126°41’78”E
. Kunsan. Wolmyong Park.
35°57’93”N
,
126°41’78”E
. Sŏnyudo Is. OktoMyon.
35°49’18”N
,
126°24’47”E
.
Ch’ungch’
ǒ
ngbukDo Province.
Okcheon. SaesanLi.
36°16’36”N
,
127°36’42”E
.
Ch’ungch’
ǒ
ngnamDo Province.
Chungnam. Kŭmsan. YangsanMyon (no coordinates available).
KangwonDo Province.
Ch’unchŏn. NamMyon. HudongLi.
37°44’31”N
,
128°35’41”E
.
Ky
ǒ
ngsangnamDo Province.
SamjeongLi. Macheon.
Chiri
Mt.
6–
800m
.
35°21’36”N
,
127°38’25”E
. Pijindo Is. (no coordinates available).
Material examined.
1Ψ:
25/VI/2004
, ChŏllabukDo Province, Iksan Shi, Mirŭksan; 1ɗ, 1Ψ (in cop):
15/VI/2000
, ChŏllabukDo Province, Kunsan, Umpa Lake; 1ɗ, 1Ψ (in cop): same data except
14/VII/1999
; 13ɗ, 13Ψ: same data except 6/VI–14/VII
1999–2000
; 5ɗ, 5Ψ (in cop.):
22/VI/1998
, ChŏllabukDo Province, Kunsan, Wolmyong Park; 17ɗ, 11Ψ: same data except
22/VI–17/VII/1998
; 3ɗ, 3Ψ:
1/VIII/2003
, ChŏllabukDo Province, Sŏnyudo Is. OktoMyon; 3Ψ:
14/VI/2003
, P. Tripotin coll., Ch’ungch’ŏngbukDo Province, Okcheon, SaesanLi; 2ɗ, 1Ψ:
30/VI/2002
, P. Tripotin coll., Ch’ungch’ŏngnam Do Province, Chungnam, Kŭmsan, YangsanMyon; 1Ψ: same data except
4/VIII/1998
; 1ɗ: same data except
12–14/VIII/1998
, Malaise trap; 1Ψ:
6–31/VII/2003
, P. Tripotin coll., Kang won Do Province, Chunchŏn, NamMyon, HudongLi, Malaise trap; 2Ψ:
25/V/ 2003
, P. Tripotin coll., Kyŏngsangnam Do Province, SamjeongLi, Macheon,
Chiri
Mt.
6 –
800m
.; 1ɗ: same data except
21–2/VI/2002
; 1ɗ:
7/VI/1997
, P. Tripotin coll., KyŏngsangnamDo Province, Pijindo Is.
Field notes.
Both species of
Eutolmus
are widespread in
South Korea
and occupy sympatric and allopatric habitats. In addition, there is a seasonal overlap.
Eutolmus koreanus
Hradsk
ý
&
Hüttinger, 1985
(
Fig 17
)
Eutolmus koreanus
Hradskÿ & Hüttinger 1985
—
Hradskÿ & Hüttinger (1985:170)
.
Medium to large sized brown flies,
20 to 28mm
. Long ventral hair on anterior femur. Tibia black. Male gonostylus with a slight medial arch (
Fig. 17
) (less pronounced than in
E. brevistylus
). External genitalia of male and female almost identical to
E. brevistylus
.
Similar to
E. brevistylus
except:
Legs:
Femora black with yellow and black hair and black bristles; anterior femur with long black and yellow ventral hair; tibia black with yellow and black hair and black bristles.
South Korean distribution. Ch
ǒ
llabuk Do Province.
ImpiMyŏn. KunsanShi.
35°37’93”N
,
126°41’78”E
. Sŏngsusan Mt. Resort area. SŏngsuMyŏn.
35°38’26”N
,
127°24’42”E
. Pyŏngsanbando N. P. PuanGun.
37°44’57”N
,
128°34’19”E
. Taedunsan Prov. P.
36°05’00”N
,
127°20’00”E
.
Ch
ǒ
llanamDo Province.
Chirisan N.P. Piagol Valley.
Chiri
Mt.
570 m
.
35°16’39”N
,
127°33’91”E
.
Chungch
ǒ
ngbukDo Province.
Okcheon. SaesanLi.
36°16’36”N
,
127°36’42”E
.
Chungch
ǒ
ngnamDo Province.
KŭmsanGun. Kŭmsan. Posoksa (no coordinates available).
KangwonDo Province.
Chunchŏn. Nam Myon. HudongLi.
37°44’31”N
,
128°35’41”E
.
Ky
ǒ
nggiDo Province.
Seoul. Pukansan N. P. (no coordinates available).
Ky
ǒ
ngsangbukDo Province.
KimchŏnShi. Kimchŏn
400m
.
(no coordinates available).
Ky
ǒ
ngsangnamDo Province.
SamjeongLi. Macheon. Chirisan Mt.
6–
800m
.
35°21’36”N
,
127°38’25”E
.
Material examined.
3ɗ:
30/VII/1998
, ChŏllabukDo Province, ImpiMyŏn, Kunsan Shi; 6ɗ, 5Ψ:
24/VI–10/VII/2004
, ChŏllabukDo Province, IksanShi, Mirŭksan; 6ɗ, 10Ψ:
26/VII–21/VIII/1998
2000, ChŏllabukDo Province, Sŏngsusan Mt. Resort area, Sŏngsu Myŏn; 3ɗ, 5Ψ:
20/VII/2001
, ChŏllabukDo Province, Pyŏngsanbando N. P., PuanGun; 6ɗ, 4Ψ: same data except
3/VIII/2000
; 7ɗ, 2Ψ: same data except
5/VIII/1999
; 2ɗ, 2Ψ:
6/ VIII/1999
, ChŏllabukDo Province, Taedunsan Prov. P.; 11ɗ, 7Ψ:
16/VII–1/IX/1999
2004, Chŏllanam Do Province, Chirisan N.P., Piagol Valley,
Chiri
Mt.
570 m
.
; 1ɗ:
28/VI/ 2002
, P. Tripotin coll., ChungchŏngbukDo Province, Okcheon, SaesanLi; 1Ψ: same data except
14/VI/2003
; 1ɗ:
29/IX/2002
, P. Tripotin coll., ChungchŏngnamDo Province, KŭmsanGun, Kŭmsan, Posoksa; 12ɗ, 1Ψ:
6–31/VII/2003
P. Tripotin coll., KangwonDo Province, Chunchŏn, NamMyon, HudongLi, Malaise trap; 4ɗ, 3Ψ: same data except
31/VII–16/VIII/2003
; 4ɗ, 1Ψ:
15/VI/1995
, KyŏnggiDo Province, Seoul, Pukansan N. P.; 3ɗ:
28/VI/2002
, KyŏngsangbukDo Province, KimchŏnShi, Kimchŏn
400m
.
, 13ɗ, 1Ψ:
2/VIII–15/IX/2002
, KyŏngsangnamDo Province, SamjeongLi, Macheon, Chirisan Mt.
6–
800m
.
Field notes.
Both species of
Eutolmus
are widespread in
South Korea
and occupy sympatric and allopatric habitats. In addition, there is a seasonal overlap.