Review of the genus Cratyna Winnertz (Diptera: Sciaridae) in Korea, including the description of a new species
Author
Shin, Seunggwan
Author
Menzel, Frank
Author
Heller, Kai
Author
Lee, Heungsik
Author
Lee, Seunghwan
text
Zootaxa
2014
3794
3
344
354
journal article
45855
10.11646/zootaxa.3794.3.2
e5cc8ff5-60ed-4566-a543-c21dbbba9842
1175-5326
228814
FCE5BD44-353F-49B7-B268-636032D4669F
Cratyna
(
Diversicratyna
)
salomonis
(
Mohrig & Mamaev, 1985
)
(
Fig. 5
)
Literature
:
Plastosciara
(
Dezembrina
)
salomonis
Mohrig & Mamaev
[correctly
Decembrina
; incorrect spelling]—Mohrig & Mamaev in
Mohrig
et al
. (1985)
: 301.
Cratyna
(
Diversicratyna
)
salomonis
(Mohrig & Mamaev)
—
Menzel & Mohrig (2000)
: 291.
FIGURE 5
. Male of
Cratyna
(
Diversicratyna
)
salomonis
(Mohrig & Mamaev, 1985)
(A–G) A: Genitalia, ventral. B: Gonostylus, ventral. C: Wing, dorsal. D: Maxillary palpus, anterior. E: 4th flagellomere, lateral. F: Apical portion of foretibia, anterior. G: Thorax, lateral.
Redescription
.
Male
.
Head
: eye bridge 3–4 facets wide. Antenna rough and brown; 4th flagellomere (
Fig. 5
E) about 2.0–2.5X as long as wide, with unicolored distinct neck, setae 2/3–3/
4X
as long as width of neck. Maxillary palpus (
Fig. 5
D) three-segmented, basal segment with 3–5 setae and a patch of sensilla, sensillae fine; third segment about 1.5X as long as second.
Thorax
(
Fig. 5
G): dark, with coarse, long and dark setae. Posterior pronotum with setae. Scutum with sparse dark setae. Scutellum with 2–3 long and strong lateral setae.
Wing
(
Fig. 5
C) pale brown; posterior veins and wing membrane clearly without macrotrichia; stem of M as long as M-fork; x = 0.8–1.0X length of y, both bare; stem of CuA = 1/
3X
length of x; vein R1 = 4/
5X
length of R; R4+5 with macrotrichia dorsally and apicoventrally; vein C = 3/
4X
length of w. Halter short stemmed and dark brown.
Leg
pale yellow; apex of foretibia with dense group of setae (
Fig. 5
F); claws untoothed.
Abdomen
: genitalia (
Fig. 5
A) about 1.5X wider than high and without basal lobe or ventral group of setae. Gonostylus (
Fig. 5
B) narrow, about twice as long as wide with strong apical spines; apex with strong and long tooth and three spines. Tegmen wider than high and flattened apically with very short and fine teeth; with heartshaped overlapping structure. Aedeagus short and thick.
Body length:
2.5–2.8 mm
.
Female
. Unknown.
Material examined
.
KOREA
: Gangwon-do, Yangyang-gun, Seo-myeon, Osaek-ri, Mt. Seorak, Osaek fountain, yellow pan trap,
28.vi.2002
, leg. H. Lee (
2♂
).
Habitats
. Adult specimens have been collected in peat bogs and along stream shores (
Mohrig
et al
. 1992
).
Distribution
. Previously known from
Austria
,
Germany
,
Latvia
,
Korea
, and
Slovakia
(
Mohrig
et al
. 1985
;
Mohrig
et al
. 1992
;
Röschmann & Mohrig 1993
; Heller & Menzel 2013). Also known from
Russia
Far East, Primorsk region, Kedrovaya Pad (
1 male
in SDEI; unpublished record).
Remarks
. This species easily recognized by its relatively long legs, the shape of the maxillary palpus, and the strong apical spines on the gonostylus.