• Title/Summary/Keyword: New speices

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A New Species of the Genus Cavernocypris Hartmann, 1964 (Crustacea, Ostracoda) from Gosu cave in Korea

  • Kim, Byung-Woo;Kwon, Jung-Kyun;Lee, Won-Cheol
    • 한국전자현미경학회:학술대회논문집
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    • 2004.11a
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    • pp.105-110
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    • 2004
  • Cavernocypris gosuensis n. sp. (Cyprididiae, Cypridopsinae), a new subterranean ostracod species is described with figures of female valves, mouthparts, appendeges and SEM photos from Gosu cave, Danyang-Gun, Chungcheongbuk-Do in Korea. The new stygobiont speices is sixth of the genus Caveroncypris Hartmann, 1964 that characterized by both valeves with a median concave part in ventral view and two groove lines in dorsal view, the reduction of the furca, which is flagellum like in female and the left valve ventrally overlaps the right valve when the carapace is closed and can be distinguished from its congers by left valve with 6 muscle scars in innerpart, mandible palp with one claw and 3 setae on the terminal segment and without seta on the exterodistal border of segment III. The animals were collected within pH 7.31-8.74, temperature ($^{\circ}C$) 13.0-14.6 and dissolved oxygen (mg/l 6.75-14.84 from Aug.2003 to Sep.2004.

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A New Acheilognathine Fish, Acheilognathus somjinensis (Pisces: Cyprinidae) from Korea (한국산 납자로속(잉어과) 어류 1 신종)

  • 김익수;김치홍
    • Animal Systematics, Evolution and Diversity
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    • v.7 no.2
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    • pp.189-194
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    • 1991
  • A new speices of cyprinid fish, Acheilognathus somjinensis is described based on the specimens collected in the Somjin River, Sinpyong-myon, Imsil -gun , Chollabuk-do province of Korea. In general morphology it is similar to A. koreensis. however, the new speices differs from the latter in having longer ovipositor of female in spawing season and showing pear-shaped eggs. In hybridization experiments, it was found that A.somjinensis is repoductively isolated from A.koreensis.

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Screening on Radical Scavenging Activity of Marine Microalgae (해양미세조류의 라디칼소거활성 검색)

  • Choi, Jin-Seok;Lee, Won-Kap;Kim, Dong-Soo;Choi, Hong-Dae;Choi, Jae-Sue;Jung, Jee H.;Im, Kwang-Sik;Choi, Won-Chul;Son, Byeng-Wha
    • Korean Journal of Pharmacognosy
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    • v.31 no.2
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    • pp.252-255
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    • 2000
  • In order to screen new radical scavenging principle which is expected to be antiaging drug lead, we have investigated 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity of the marine microalgae, greenalgae(10 speices), diatom (10 speices) and blue-green algae (10 speices). The significant activities$(IC_{50}:\;<100\;{mu}g/ml)$ were observed in 4 species of green algae (MA002, 006, 009, 010), 1 species of diatom (MA015) and 5 species of blue-green algae (MA017, 018, 019, 024, 025). Within the scope of family tested, MA009 $(IC_{50}:\;=78\;{mu}g/ml)$, MA015 $(IC_{50}:\;=38\;{mu}g/ml)$ and MA019 $(IC_{50}:\;=41\;{mu}g/ml)$ displayed the most significant activity. Among the marine microalgae tested at family level, cyanophycean blue-green algae was shown to be the most active family on screening of new bioactive compounds.

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The Marine Amphipod Crustaceans of Ulreung Island, Korea : Part II (울릉도 해역의 단각류(갑각류) II)

  • Kim, Won;Kim, Chang-Bae
    • Animal Systematics, Evolution and Diversity
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    • v.7 no.1
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    • pp.13-38
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    • 1991
  • This study on the five families (Anamixidae, Colomastigidae, Eophliantidae, Eusiridae, and Hyalidae) of fammaridean amphipods of Ulreung Island was based on the materials collected at eight localities in Ulreung Island. Nine speices of seven genera were identified. Of these, three (Paranamixis denticulus, Colomastix prionotos, and Hyale bisaeta) were new to science. Three species (Ceinina japonica, Eusiroides monoculoides japonicus, and Allorchestes angusta) were new recordsfor Korean waters. These six species were descirbed with illustrations.

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Taxonomy on Marine Sponges from Geojedo Island, Korea (거제도 해산 해면류의 분류학적 연구)

  • Chung Ja Sim;Kyung Jin Lee
    • Animal Systematics, Evolution and Diversity
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    • v.14 no.3
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    • pp.219-228
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    • 1998
  • The sponge specimens were collected from Geojedo Island, Korea During from 1994 to 1998 with fishing nets or by scuba divers. They were identified into 34 species of 25 genera in 15 families, of which the one species, Tedania rhoi is a new speices, and Clathria (Axociella) simae is new to the Korean fauna. This species were redescribed.

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Fauna of Arthropods of Medical Importance in Chindo Island , Korea (전남 진도의 위생 절지동물상)

  • han-II Ree
    • Animal Systematics, Evolution and Diversity
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    • v.11 no.1
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    • pp.87-100
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    • 1995
  • Fauna of medically important arthropods in Chindo Island was studied in July 1994. Among eight speices of mosquitoes (Diptera : Culicidae), Culex tritenirohyunchus was predomiant (46.5% of the total0, and Anopheles sinensis the next. Seven specimens of the unidentified Culex sp. which seemed to be new were also collected. Total 23 species of non-biting midges(Diptera : Chiornomidae) were found in Chindo Is. Of them , Chironomus kiiensis was the predominant species (67.3%) , and Ch.flaviplumus the next (15.6%). Three species, Cladopelma viridula, Dicrotendipes septemmaculatus and Harnischia urtilamellata are reported for the first time in Korea, and they are fully re-described with illustrations. Among five species of biting midges (Diptera : Ceraopogenidae) collected, Culicoides punctatus was predominant (88.7%). A species of Foreipomia was also collected, and this genus is not recorded in Korean fauna. Only two species of domiciliary cockroaches, Periplaneta japonica and P.americana were collected in small numbers and Blatella germanica which is known as the most predominant speices in Korea was not found. The predominant speices of field rodents was Apodemus agrarius and thier ectoparasites were Leptotrombidium orientale (Acarina : Tromicibulidae), Lxodes nipponensis (Acarina : Ixodidae) ; Laelaps jettmani and Eulaelaps stabularis (Acarina : Laelapidae).

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Modiolicola avadeevi, a New Sabelliphilid Copepod (Poecilostomatoida) from a Bivalve in the Sea of Japan (동해의 털담치(이매패류)에 공생하는 요각류 1신종, Modiolicola avdeevi)

  • Kim, Il-Hoi
    • Animal Systematics, Evolution and Diversity
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    • v.11 no.3
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    • pp.315-321
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    • 1995
  • A new species of Copepoda, Modiolicola avdeevi (Poecilostomatoida, Sabelliphilidae) associated with the bivalve Modiolus difficilis Kuroda and Habe in the Sea of Japan, is described . Although resembling close to Modiolicola bifidus Tanaka, 1961 in the body form, the new species is distinguished from M.bifidus by the more slender antenna, stouter caudal rami and more slender leg 5.

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Two New Records of the Ichneumonidae (Hymenoptera) Species from Korea

  • Kim, Chang-Jun;Kang, Gyu-Won;Lee, Jong-Wook
    • Animal Systematics, Evolution and Diversity
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    • v.28 no.4
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    • pp.317-321
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    • 2012
  • Previously, 13 species in six genera of the subfamily Banchinae and 29 speices in 16 genera of the subfamily Pimplinae were known from Korea. In this paper, two species, Rynchobanchus minomensis (Uchida, 1933) and Theronia laevigata nigra Uchida, 1928 are new to Korea. Also, the genus Rynchobanchus is recorded for the first time in Korea. Only one species of Theronia, Theronia atalantae (Poda, 1761), was recorded from Korea by Uchida (1928). New Korean names proposed for these two species are "Eol-gul-ga-si-maep-si-beol" and "Geom-jeong-nap-jak-maep-si-beol" for the R. minomensis and T. laevigata nigra, respectively. A key to the species of Theronia, diagnosis and photographs of diagnostic characters of them are provided.