• Title/Summary/Keyword: key to species

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A new record of the subgenus Eusimulium Roubaud from Korea with an updated key to genera and subgenera of Korean black flies(Diptera: Simuliidae)

  • Kim, Sam-Kyu
    • Journal of Species Research
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    • v.9 no.2
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    • pp.174-179
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    • 2020
  • Larvae and pupae of Simulium (Eusimulium) satsumense were collected and recorded from Korea for the first time. Detailed descriptions and photographs of both immatures are provided. Currently, 42 species are known from the subgenus Eusimulium, which is found globally, mainly in the Holarctic Region, but unknown from Korea. Members of the subgenus Eusimulium are morphologically homogeneous in male, female, and pupa, making them extremely difficult to distinguish from one another. S. (E.) satsumense can be distinguished from other Korean black flies by the following combination of the characteristics: Pupa: Gill of four slender filaments, dorsalmost filament strongly divergent from other filaments; cocoon slipper shaped without anterodorsal projection; Larva: Head spots distinctly positive; postgenal cleft short, apically rounded or squared; antenna with proximal segment brown; abdominal segments IX with prominent ventral tubercles; and rectal papillae of three simple lobes. In addition to descriptions for larvae and pupae of the species, a key to genera and subgenera of Simulium of Korean black flies are also provided.

Regulatory Mechanism of Spindle Movements during Oocyte Meiotic Division

  • Ai, Jun-Shu;Li, Mo;Schatten, Heide;Sun, Qing-Yuan
    • Asian-Australasian Journal of Animal Sciences
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    • v.22 no.11
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    • pp.1477-1486
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    • 2009
  • Female germ cell meiotic divisions are typically asymmetric, giving rise to two daughter cells with different sizes. Spindle movements including spindle migration from the oocyte center to the cortex and spindle rotation from parallel to perpendicular (typically in the mouse) at the cortex are crucial for these asymmetric divisions and therefore are crucial for gamete production. Different regulatory mechanisms for spindle movements have been determined in different species and a wide variety of different molecular components and processes that are involved in spindle movements have also been identified in different species. Here, we review the current state of knowledge as well as our understanding of mechanisms for spindle movements in different systems with focus on three main aspects: microtubules (MT), microfilaments (MF) and molecules associated with cytoskeletal organization as well as molecules that are not directly related to the cytoskeleton. How they might interact or function independently during female meiotic divisions in different species is discussed in detail.

First Record of the Genus Stirocorsia (Orussidae: Hymenoptera) from Korea

  • Choi, Won-Young;Suh, Kyong-In
    • Animal Systematics, Evolution and Diversity
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    • v.27 no.3
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    • pp.268-270
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    • 2011
  • The family Orussidae is a unique parasitoid group belonging to the suborder Symphyta. Members of Orussidae are rare and only a species, Orussus coreanus Takeuchi have been previously recorded from Korea. In this study, we report another species, Stirocorsia tosensis (Tosawa and Sugihara, 1934), for the first time from Korea. The adult characteristics of the species with illustrations and a species key to the Korean Orussidae are provided.

Korean Species of the Subtribe Stigmina (Hymenoptera: Crabronidae: Pemphredoninae)

  • Kim, Jeong-Kyu;Yang, Hyeon-Woo
    • Animal cells and systems
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    • v.13 no.4
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    • pp.465-469
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    • 2009
  • Three Korean species of the subtribe Stigmina are treated: Carinostigmus filippovi Gussakovskij, Tzustigmus rhinocerous Budrys, and Stigmus japonicus Tsuneki. The last two genera and species are new to Korea. A key to Korean genera of the subtribe Stigmina and diagnostic features of three species with digital images are provided.

Taxonomical Review of the Subfamily Ophioninae (Insecta: Hymenoptera: Ichneumonidae) from Korea II. Genus Ophion Fabricius

  • Kim, Ki-Beom;Suh, Kyong-In;Lee, Jong-Wook
    • Animal Systematics, Evolution and Diversity
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    • v.25 no.1
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    • pp.1-4
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    • 2009
  • Korean species of the genus Ophion Fabricius are reviewed. Eight species are recognized including two species new to Korea (O. ainoicus Uchida, 1928 and O. choaspese (Uchida, 1954). We provide a key to the Korean Ophion and redescriptions, photographs, distributional data and host records of the newly recorded species.

Discovery of Two Unrecorded Species of Zaglyptus (Hymenoptera: Ichneumonidae: Pimplinae) from South Korea

  • Choi, Jin-Kyung;Lee, Jong-Wook
    • Animal Systematics, Evolution and Diversity
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    • v.35 no.1
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    • pp.15-20
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    • 2019
  • Two species, Zaglyptus multicolor(Gravenhorst) and Zaglyptus semirufus Momoi, are newly recognized from South Korea. Zaglyptus iwatai (Uchida) has only been reported from South Korea to date. Diagnoses of two unrecorded species, illustrations of diagnostic characters and a key to species of this genus are provided.

Larval development of Scyra acutifrons (Crustacea: Decapoda: Epialtidae) with a key from the northern Pacific

  • Oh, Seong-Mi;Ko, Hyun-Sook
    • Animal cells and systems
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    • v.14 no.4
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    • pp.333-341
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    • 2010
  • The larvae of Scyra acutifrons are described and illustrated for the first time. The larval stage consists of two zoeal and a megalopal stages. The zoea of S. acutifrons is compared with those of other known species of the Epialtidae from the northern Pacific. The zoea of Scyra acutifrons can be easily distinguished from that of S. compressipes by having a longer rostral carapace spine and an endopod of maxillule with three setae. It is found that the genus Scyra (Pisinae) shows a great similarity to Pisoides bidentatus (Pisinae) and the genus Pugettia (Epialtinae) in the family Epialtidae; especially, S. acutidens coincides well with two Pugettia species (Pugettia incisa and P. gracilis) in the characteristics of the zoeal mouthpart appendages. To facilitate the study of plankton-collected material, a provisional key to the known zoeae of the Epialtidae from the northern Pacific is provided.

Mimemodes cribratus (Reitter) (Coleoptera: Cucujoidea: Monotomidae) New to Korea and a Key to Korean Monotomid Species (큰머리톱가슴긴고목벌레의 국내 첫 보고 및 한국산 톱가슴긴고목벌레과의 종 분류 검색표)

  • Lee, Seung-Gyu;Kim, Moo-Sung;Lim, Jongok;Kim, Il-Kwon
    • Korean journal of applied entomology
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    • v.57 no.2
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    • pp.65-68
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    • 2018
  • Mimemodes cribratus (Reitter) is newly recognized from Korea. The present study includes a redescription, images of habitus and diagnostic characters of the species. In addition, a key to Korean species of Monotomidae is provided.

Lissodema plagiatum Lewis (Coleoptera: Salpingidae) New to Korea, with a Key to Korean Species of the Family Salpingidae Leach (네무늬구멍썩덩벌레붙이의 국내 첫 보고)

  • Lee, Seung-Gyu;Kim, Yoon-Ho
    • Korean journal of applied entomology
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    • v.59 no.2
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    • pp.129-131
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    • 2020
  • Lissodema plagiatum Lewis is newly recorded and L. laevipennis Marseul is removed from the Korean fauna. A habitus photograph and taxonomic note of the newly recorded species are provided, with a key to Korea species of the family Salpingidae Leach.

Seed collection strategies for plant restoration with the aid of neutral genetic diversity

  • CHUNG, Mi Yoon;SON, Sungwon;MAO, Kangshan;LOPEZ-PUJOL, Jordi;CHUNG, Myong Gi
    • Korean Journal of Plant Taxonomy
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    • v.49 no.4
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    • pp.275-281
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    • 2019
  • One key step in the plant restoration process is the collection of seeds from the field. For the selection of source populations of target plant species for translocation purposes (reintroduction or reinforcements), several approaches are possible. A practical method involves the use of data from reciprocal transplant studies. If no direct data are available, knowledge of population genetics and the phylogeography of the target species can serve as an alternative. In this short review, we briefly propose guidelines for those collecting seeds for plant species restoration based on population genetics theory, focusing on two main questions: Where does the plant material come from and how are sources designated, and how are seeds efficiently collected from local populations? While genetic data on a larger scale (phylogeography and population genetics) are needed to form a reply to the first question, similar data on a smaller scale (fine-scale genetic structures within populations) are necessary to shed light on the second issue.