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운문산반딧불이(Luciola unmunsana)의 서식지 특성과 먹이원에 관한 연구 - 전주시 산성천을 대상으로 -
임현정,김종만,정문선,Lim, Hyun-Jeong,Kim, Jong-Man,Jeong, Moon-Sun 한국환경복원기술학회 2022 한국환경복원기술학회지 Vol.25 No.3
This study aims to present primary data for habitat restoration and artificial breeding conditions of L. unmunsana by identifying the habitat conditions and the larvae's food sources. In order to investigate the habitat characteristics of the adult L. unmunsana and land snails, which are the primary food sources for the larvae, field surveys were conducted on a total of 10 habitats in south-central parts of Korea including Sanseongcheon, Jeonju. The results revealed that the L. unmunsana habitat in the Sanseongcheon area had a broadleaf forest with a multi-layered vegetation structure, adjacent water features, and the north/northeast/northwest slopes with little effect of artificial lighting. The adult L. unmunsana in the Sanseongcheon area appeared from the end of May to the end of June, and was especially intensively observed around the middle of June. The most active time was from 23:30 to 00:30 with a temperature range of 19~22℃ and higher than 80% humidity. The peak count of the observed adults L. unmunsana was a total of 774 on June 11, 2021. In the case of land snails, 11 families and 23 species were observed in 10 habitats of L. unmunsana, and Euphaedusa fusaniana was the most extensive and the most observed in the five survey areas. The land snails of L. unmunsana habitats are mostly found under the organic layers of leaves and a fallen tree branch in broadleaf forests, where a thick organic material layer buffers temperature changes and provides high humidity for various snails. These habitat conditions are suitable for the larva of L. unmunsana and land snails to inhabit, feed, hide and hibernate.
운문산반딧불이(Luciola unmunsana) 유충의 먹이선호도 연구
정문선,임현정,김종만 한국환경복원기술학회 2024 한국환경복원기술학회지 Vol.27 No.3
The purpose of this study is to investigate the habitat of Luciola unmunsana to understand the status of land snails, which are the larvae prey, and to evaluate the effects of larval feeding preferences and prey size for the restoration of the L. unmunsana habitat as a basis for future restoration projects. The research methods included field surveys of the habitat and laboratory experiments on feeding preferences using three types of land snails (Allopeas clavulinum kyotoense, Euphaedusa fusaniana, Pupinella rufa) observed in the habitat. Field surveys of 13 L. unmunsana habitat sites revealed a total of 24 land snail species. The experimental results regarding the larvae prey were analyzed for statistical significance of feeding preferences using Chi-square tests and independent sample t-tests. Consequently, larvae showed the highest preference for A. c. kyotoense, with statistically significant differences in feeding preferences (p<0.05). Also, statistically significant differences were observed in the size between the land snails that were eaten as prey and those that were not eaten. This research can deepen the understanding of the feeding preferences of L. unmunsana larvae and provide practical guidelines for the effective conservation and restoration strategies of the firefly habitat.
이준상,권오길 한국패류학회 1997 The Korean Journal of Malacology Vol.13 No.2
S study on the distribution of land snails in Kangweon-Do was carried out from May 1990 to July 1995. Mirus sp, and Aegista gottschei kongoensis were unrecorded in Korea and south Korea, respectively, As a result of this stududy, 21 families and 62 species of land snails are reported from Kangweon-Do, Korea.
Karyotypes of Korean Endemic Land Snail, Koreanohadra koreana (Gastropoda: Bradybaenidae)
Park, Gab-Man The Malacological Society of Korea 2011 The Korean Journal of Malacology Vol.27 No.2
The karyotypes of Korean endemic land snail, Koreanohadra koreana, using air-drying method wereinvestigated. Somatic cells of this species had 2n = 58. Karyotypes were also analysed with 16 metacentric, 12 submetacentric and one subtelocentric chromosome pairs. Observed chromosomes ranged from 2.6 to $8.9{\mu}m$ and the total length was $122.3{\mu}m$. This is the second report on the chromosome numbers and the karyotype of K. koreana.
강세원,조용훈,한연수,정계헌,이용석 한국패류학회 2010 The Korean Journal of Malacology Vol.26 No.1
A morphological and ultrastructural study on the prostate of a land snail Nesiohelix samarangae was conducted. The prostate of Nesiohelix samarangae is a tubular gland connected with the large hermaphrodite duct. The lining of the prostate tubules possesses two distinct types of epithelial cells, one secretory and the other non-secretory. The secretory cells contained numerous secretory granules in various sizes and electron density. Most of the secretory granules showed light electron density but some of them showed heavy density. The ciliated cells were non-secreting cells situated only toward the lumen of the tubules and appeared as ordinary epithelial lining cells. The ciliated cells of the epithelium extensively interdigitate with each other and their apical surfaces had numerous cilia and microvilli. The bases of the ciliated cells did not reach the basal region of the secretory cells.
정계헌,이용석 한국패류학회 1997 The Korean Journal of Malacology Vol.13 No.2
A histochemical and ultrastructural study on the stomach epithelium of a land snail Nesiohelix samarangae was carried out during the period of June 1996 to May 1997. The stomach epithelium is simple columnar dpithelium and is consisted of three types of columnar cells, Type 1 cell which is majority in number has a brush border with microvilli on the free surface of the cell and contains numerous secretory granules supposed to be neutral mucopolysaccharide. Type 2 cell, elongated conical in shape. is rarely found in the dpithelium. This cell also has a brush border with microvilli on its free surface and contains well developed rough surfaced endoplasmic reticulum, Golgi bodies, and secretory granules in various electron densities. This cell seems to produce both of acid and neutral mucopolysaccharides. Type 3 cell, which is morphologically similar to the Type 1 cell, has microvili and cilia on the free surface and exists in group only in the limited regions of the stomach.
한국산 입술대고둥아재비과 (Family Enidae) 1 신종
이준상,민덕기 한국패류학회 2018 The Korean Journal of Malacology Vol.34 No.2
One new land snail in the family Enidae, Mirus obongensis n. sp. is collected from Chuncheon-si, Kangwon-do on 24 May in 2000 and 21 August in 2012. This new species resembles to the other Enidae species in korea, but is easily distinguished by size difference in adult form. Including the present new species, the family Enidae contained 2 genera and 3 species in the Korea.
Karyotypes of Korean Endemic Land Snail, Koreanohadra koreana (Gastropoda: Bradybaenidae)
박갑만 한국패류학회 2011 The Korean Journal of Malacology Vol.27 No.2
The karyotypes of Korean endemic land snail, Koreanohadra koreana, using air-drying method wereinvestigated. Somatic cells of this species had 2n = 58. Karyotypes were also analysed with 16 metacentric, 12 submetacentric and one subtelocentric chromosome pairs. Observed chromosomes ranged from 2.6 to 8.9 μm and the total length was 122.3 μm. This is the second report on the chromosome numbers and the karyotype of K. koreana.
김강산,이준상 한국동물분류학회 2023 Animal Systematics, Evolution and Diversity Vol.39 No.4
Two land snails, Aegista chejuensis (Pilsbry and Hirase, 1908) and Plectotropis quelpartensis (Pilsbry and Hirase, 1908), are endemic to Korea and were collected from Hataedo and Jodo Islands in the Yellow Sea of South Korea, respectively. Many terrestrial snail habitats have been confirmed in Korea; however, their genetic sequences have rarely been reported. This study describes the mitochondrial cytochrome c oxidase subunit I gene (COI) sequences of two species, followed by an analysis of the genetic distance between these two species and their congeners. As a result, there was no intra-species variation in both species A. chejuensis or P. quelpartensis. However, the inter-species variation was clear (10.3-31.5%). We provide photographs and a brief diagnosis for morphological verification.
Kang, Se Won,Patnaik, Bharat Bhusan,Hwang, Hee-Ju,Park, So Young,Wang, Tae Hun,Park, Eun Bi,Chung, Jong Min,Song, Dae Kwon,Patnaik, Hongray Howrelia,Lee, Jae Bong,Kim, Changmu,Kim, Soonok,Park, Hong S MDPI 2016 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.17 No.3
<P><I>Aegista chejuensis</I> and <I>Aegista quelpartensis</I> (Family-Bradybaenidae) are endemic to Korea, and are considered vulnerable due to declines in their population. The limited genetic resources for these species restricts the ability to prioritize conservation efforts. We sequenced the transcriptomes of these species using Illumina paired-end technology. Approximately 257 and 240 million reads were obtained and assembled into 198,531 and 230,497 unigenes for <I>A. chejuensis</I> and <I>A. quelpartensis</I>, respectively. The average and N50 unigene lengths were 735.4 and 1073 bp, respectively, for <I>A. chejuensis</I>, and 705.6 and 1001 bp, respectively, for <I>A. quelpartensis</I>. In total, 68,484 (34.5%) and 77,745 (33.73%) unigenes for <I>A. chejuensis</I> and <I>A. quelpartensis</I>, respectively, were annotated to databases. Gene Ontology terms were assigned to 23,778 (11.98%) and 26,396 (11.45) unigenes, for <I>A. chejuensis</I> and <I>A. quelpartensis</I>, respectively, while 5050 and 5838 unigenes were mapped to 117 and 124 pathways in the Kyoto Encyclopedia of Genes and Genomes database. In addition, we identified and annotated 9542 and 10,395 putative simple sequence repeats (SSRs) in unigenes from <I>A. chejuensis</I> and <I>A. quelpartensis</I>, respectively. We designed a list of PCR primers flanking the putative SSR regions. These microsatellites may be utilized for future phylogenetics and conservation initiatives.</P>