• Title, Summary, Keyword: 나비상

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Spatio-temporal Moth Diversity (Insecta: Lepidoptera) of Mt. Baegun-san, Gwangyang, Jeonnam (전라남도 광양시 백운산 나방 (곤충강: 나비목)의 시공간적 다양성 연구)

  • Choi, Sei-Woong;Nho, Dong-Ho;Kim, Sang-Soo;Hong, Kee-Jeong
    • Korean Journal of Ecology and Environment
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    • v.49 no.1
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    • pp.62-66
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    • 2016
  • This study was aimed to investigate the elevational and seasonal variation of moth diversity of Mt. Baegun-san, Gwangyang-city, Jeonnam. Moth collecting was carried out using a UV light trap at three different elevational sites from September to October 2014 and from April to October 2015 (9 times) except winter. A total of 288 moth species and 1,444 individuals in 15 families were identified. Geometridae (97 species and 740 individuals) were the most dominant in the numbers of species and individuals, followed by Noctuidae (62 species, 193 individuals), Erebidae (52 species, 177 individuals) and Notodontidae (16 species, 111 individuals). Elevational change showed that the lower elevation, the higher number of species and individuals. Seasonal change of numbers of species and individuals showed the M-shaped pattern with June and August peaks. Compared to the previous records from historical literatures, 197 species were newly added and the total moth species richness of Mt. Baegun-san comprised 449 species in 20 families. The Chao 2 estimated number of species using the observed species including unpublished data set was 1,530 species that comprised about 43% of the Korean Lepidopteran fauna. This large number of estimated species requested the more extensive and long-term survey for better understanding of the total moth fauna in this area.

Insect Fauna of Cemetery Area in Forest from Korea (산림 내 묘지 지역의 곤충상에 관한 연구)

  • Park, Jin-Young;Park, Jong-Kyun
    • Asian Journal of Turfgrass Science
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    • v.25 no.2
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    • pp.153-159
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    • 2011
  • This study was carried out to know the insect fauna of turf grass area in forest. In Korea, graves and public cemetery in mountain areas are usually covered by turf grass which were mainly examined. There were 86 species belonging to 77 genera of 39 families in 11 orders. Among them, site 3 had highest occurrence (38%), second was site 2 (36%) and in the last place was site 1 (26%). Hemiptera revealed best species composition (29.1%) and came Coleoptera (19.8%), Orthoptera (15.1%), Lepidoptera (12.8%) and Odonata (5.8%) etc. The reason why Hemiptera and Orthoptera are mainly found in these areas is because they usually feed on short plants that grow in there. Taxonomic species composition, occurrence ratio by site and species and comparison analysis were provided.

Changes of Insect Diversity after Construction of the Insect Garden (곤충생태원 조성 후 곤충상 변화에 관한 연구)

  • 최영철;김근영;박해철;이영보;김종길;최지영;심하식;문태영
    • Korean journal of applied entomology
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    • v.42 no.1
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    • pp.21-27
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    • 2003
  • This study was carried out to investigate the changes of insects diversity and host plants from 1998 to 2001 after the construction of an insect park in Suwon in Korea. After the construction in 1997 the insect species and populations have been increased yearly to date. A total of 343 species out of 138 families of 11 orders was surveyed at the park from April to November in 2001. The number of species increased from April to July and showed a peak in June. Coleoptera was a dominant order, and Dolichus halensis (Schaller) of Coleoptera, Artogeia rapae (Linne) of Lepidoptera, and Liorhyssus hyaalinus (Fabricius) of Hemiptera were dominant species.

Analysis of Contaminant Transport in the Ground using the Lattice-Boltzmann Method (격자 볼츠만 방법에 의한 지반 내 오염물질의 거동 분석)

  • Kang, Dong Hun;Yun, Tae Sup
    • Journal of The Korean Society of Civil Engineers
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    • v.32 no.6C
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    • pp.267-274
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    • 2012
  • The conventional approach to evaluate the contaminant transport in soils adopts the macro-scale implementation while the pore configuration and network is a dominant factor to determine the fate of contaminant. However, the observation of fate and transport at pore scale may not be readily approachable because of the computational expenses to solve Navier-Stokes equation. We herein present the 2D Lattice-Boltzmann method that enables to assess the local fluid velocity and density efficiently for the case of single phase and multi-components. The solute fate spatio-temperal space is explicitly determined by the advection of fluid flow. Two different types of idealized pore space provides the path of fluid. Also, solute transport, the velocity field and average concentration of solute are computed in steady state. Results show that the pore geometry such as tortuosity mainly affect the solute fate. It highlights the significance of the pore configuration and shape in granular soils and rock discontinuity in spite of the equivalent porosity.

Entomocidal Protein Gene Localization of Bacillus thuringiensis serovar. kurstaki HD73 and Isolates KBS722 (Bacillus thuringiensis serovar. kurstaki HD73균과 분리균 KBS722의 곤충치사 내독소 단백질의 Gene localization에 관한 연구)

  • 오상수;박영남;구본성;박유신;윤상홍
    • Microbiology and Biotechnology Letters
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    • v.17 no.2
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    • pp.142-147
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    • 1989
  • Six plasmids of B. thuringiensis serovar. kurstaki HD73 were detected, with approximate sizes of 7.4, 7.8, 8.1, 11.3, and 75 Kb, as well as a low copied plasmid of similar length to 75 Kb. Partially cured mutants from B. thuringiensis HD73 were obtained either by the treatment of the curing agent, ethidium bromide(0.02 $\mu\textrm{g}$/$m\ell$) or by spontaneous curing, Acrystalliferous mutants(Cry$^-$) were identified by microscopic observation and immunoblotting with polyclonal antibody against 133 KD deltaendotoxin of HD73. Ten Cry$^-$ mutants were found to be lack of 75 Kb plasmid. These results implicated that this plasmid was associated with delta-endotoxin production, After isolating the mutants, we streaked them on potato dextrose agar, spizizen casamino acid glucose, starch agar, and nutrient agar. Only on starch agar medium did morphologies of Cry$^-$ appear translucent and light greyish. On the other hand, the mutants of B. thuringiensis isolated from Korean soil, designated KBS722, were obtained by the treatment of novobiocin (3 $\mu\textrm{g}$/$m\ell$). Acrystalliferous mutants of KBS722 were less translucent than HD73 mutants' only on nutrient agar medium. Compared the plasmid profile of the mutants with delta-endotoxin production, the results seemed to indicate that the insecticidal protein gene of B. thuringiensis isolates KBS722 located on about 225 Kb plasmid DNA.

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Haplotype Diversity and Gene Flow of the Diamondback Moth, Plutella xylostella(L.) (Lepidoptera: Yponomeutidae), in Korea (배추좀나방(나비목: 집나방과)의 haplotype 다양성과 유전자 이동률)

  • 김익수;배진식;최광호;진병래;이경로;손흥대
    • Korean journal of applied entomology
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    • v.39 no.1
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    • pp.43-52
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    • 2000
  • A portion of mitochondria1 COI gene (438 bp) was sequenced from the sampls of Plutella xylostella from four localities in Korea to investigate the population genetic structure and characteristics by measuring the magnitude of genetic diversity and the degree of gene flow among populations. Thirteen haplotypes ranging in nucleotide divergence 0.3% to 1.4%, were obtained from 21 individuals. The nucleotide divergence was similar to the other related studies, but haplotype diversity was substantially higher (mean h = 0.81). The genetic distance among geographically remote Cheju Island population and the two Kimhae populations, distant 1 lkm to each other, was not statistically significant (p<0.05). Instead, a substantial or high female gene flow was detected (Nm = 2-30). One Hawaiian haplotype of the diamondback moth obtained through GenBank search also was genetically similar to the ones obtained from this study. Collectively, the genetic population structure of the diamondback moth in Korea can be characterized into two aspects. First, the diamondback moths in Korea possesses overall moderate genetic divergence based on a high number of haplotypes. Second, a high haplotype diversity within each population due to the long distance dispersal with a substantial dispersal power and the resultant genetic similarity among geographic populations is characteristic.

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Analysis of Insect Diversity in National Park Nature Resource Survey (국립공원 자연자원조사 곤충상 분석)

  • Kang, Seung-Ho;Hong, Eui Jeong;Park, Jeong-won;Jeong, Jong-Chul
    • Korean Journal of Environment and Ecology
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    • v.34 no.2
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    • pp.130-141
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    • 2020
  • National parks in Korea are subject to a survey of natural resources every five years, according to the Natural Parks Act. This study analyzed the insect diversity in each of the 21 national parks conducted as part of the Third Nature Resource Survey of National Parks (2010~2018). It compared insect diversity in each national park national biodiversity with insect diversity in all national parks and analyzed the uncollected sub-taxonomic groups of each taxonomic group and the legally protected species. The Third Nature Resource Survey identified 5,584 species in 456 families in 21 orders in all national parks, and they accounted for 31.3% of 17,848 species in the national insect diversity. By taxonomic group, Lepidoptera was the most frequently found with 2,195 species, followed by beetles (1,495 species), fellings (712 species), and stink bugs (515 species). By national park, Odaesan national park showed the highest insect diversity with 1,963 species, followed by Sobeaksan national park (1,511), Hanryeohaesang national park (1,321), Gayasan national park (1,282), Juwangsan national park (1,265), Dadohaehaesang national park (1,264), Woraksan national park (1,251), and Jirisan national park (1,240). The legally protected species included 3 species of endangered species rank I, 11 species of endangered species rank II, 12 climate change indicator species, 139 endemic species, and 532 species requiring approval for cross-border transfer.

Immunohistochemical Study on the Cerebral Ganglion of African giant Snail, Achatina fulica (아프리카 왕달팽이(Achatina fulica) 뇌신경절의 면역조직화학적 구조)

  • 장남섭;한종민
    • The Korean Journal of Malacology
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    • v.15 no.1
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    • pp.1-11
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    • 1999
  • An immunohisochemical study on the cerebral ganglion of the African giant snail, Achatina fulica. was conducted by applying the AB/AY staining and the avidin-bovine-peroxidase complex staining methods. The followings are the results obtained throughout the study. The cerebral ganglion of Achatina fulica is an ellipsoidal body of 2 x 1 mm in size, which is connected by the cerebral commissure of 1 mm in diameter. The cross-section through the cerebral ganglion, shaped like a butterfly, is divided into the medio-dorsal parts, the latero-dorsal parts, the caudo-dorsal parts, and the lateral lobes. In the medio-dorsal and latero-dorsal parts, the LG cells and the DG cells are found mixed, although the LG cells are dominant. In lateral lobe, however, the Y cells are quite dominant, while the LG cells and the DG cells are seldom found. The LG cells are 20-70 $\mu\textrm{m}$ in sizes and circular or ellipsoidal in shapes. They are stained light green with the AB/AY. 1 - 3 nucleoli are found in karyolymph, where granular chromantins are evenly distributed. In cytoplasm, it is found that the secretory granules are evenly developed.

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Species Identification and Developmental Biology of a Red Bean Pest in Ostrinia sp. (Lepidoptera: Crambidae) (Ostrinia속(나비목: 포충나방과) 팥 해충의 종 동정과 발육 특성)

  • Jung, Jin Kyo;Seo, Bo Yoon;Park, Doo-Sang;Oh, Hyun-Woo;Lee, Gwan-Seok;Park, Hae-Chul;Cho, Jum Rae
    • Korean journal of applied entomology
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    • v.51 no.4
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    • pp.469-477
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    • 2012
  • Ostrinia larvae feed the pods and stem of red bean and seriously damage the bean production from farmers. In this study we investigated biological and developmental characteristics including field collection, host feeding preference, artificial rearing diet, morphological and molecular taxonomical identification, and pheromone analysis for an Ostrinia sp. in Korea. The male adults have massive tibia in the middle legs and 3-lobed uncus in the genitalia. The partial nucleotide sequences of mitochondrial cytochrome oxidase I (COI) and II (COII) were not corresponded to those DNA sequences from other Ostrinia species reported previously in Japan and China. Host plants for this species are also different from the previous species reported. In the gas chromatography (GC) analyses, (Z)-9-tetradecenyl acetate was not detected from the pheromone gland of our species while the component as a sex pheromone was found in O. zaguliaevi and O. zealis, With taken results, we conclude this Ostrinia species in Korea is Ostrinia scapulalis or closely related species. When larvae collected in a fall were incubated in the outdoor condition, they emerged to adult between June and July in the next year. The result indicates that the winter diapause could be started in late larval stage. In addition, we developed a semi-synthetic artificial diet adopted for mass rearing of the O. scapulalis in laboratory.

A Study on Estimation Technique of Manoeuvring Difficulty Using the Ship Manoeuvre Simulator for Berthing/Deberthing (선박 접이안 조종 시뮬레이터를 이용한 조종위험도 평가 기법에 관한 연구)

  • Yang Seung-Yeul;Sohn Kyoung-Ho;Lee Hee-Yong;Ha Mun-Keun;Kim Hyun-Soo;Lee JIn-Ho;Im Nam-Kyun
    • Proceedings of the Korean Institute of Navigation and Port Research Conference
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    • pp.81-87
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    • 2004
  • It includes the considerable concentration and dangerousness as the peculiar work of a pilot and dock-master to berthing/deberthing the big object as for the ship within the port or the ship yard. A tug utilization is getting increased in this berthing/deberthing work and the own ship is affected a lot by external force due to moving with low advance speed. In this study, we constructed the 2 dimension virtual system which can conduct the berthing/deberthing manoeuvring work by using mainly tugs in a external force, particularly strong wind. Also, propose objective standard that could estimate the degree of manoeuvring difficulty, and conducted simulation experiment for this. we analyzed correlations between the subjective estimation which is described numerically the decreased dangerousness and the objective index which is related to the main parameter regarding manoeuvring by using this simulator from the result of conducting simulation experiment. And then we discussed the estimation technique of manoeuvring difficulty.

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