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Lee, Jong-Wook,Jeong, Jong-Chul,Lee, Seol-Mae The Korean Society of Systematic Zoology 2008 Animal Systematics, Evolution and Diversity Vol.24 No.3
An acaenitine genus, Spilopteron Townes, 1960, is reported for the first time in Korea with S. mucronatus Lee new species. A key to the Korean genera of the tribe Acaenitini Foerster, 1869, description of the a species and photographs of diagnostic characters are provided.
Taxonomy of the subfamily Acaenitinae (Ichneumonidae: Hymenoptera) from Korea
Seol Mae Lee,Gwan-Seok Lee,Jong Wook Lee 한국응용곤충학회 2010 한국응용곤충학회 학술대회논문집 Vol.2010 No.05
The subfamily Acaenitinae Föster, 1869 is a small-sized subfamily belonging to the family Ichneumonidae. Members of Acaenitinae distributes in Ethiopian, Oriental, and Palearctic Regions. Twenty six genera have been recorded in the World, and six genera are known from Korea. The biology of the Acaenitinae is not well known, however, some hosts are recorded from Cerambycidae in Coleoptera (Gardiner, 1960), Sesiidae and Tortricidae in Lepidoptera (Ulbricht, 1909; Starke, 1956). Generally female is easily distinguished from that of other subfamily of Ichneumonidae. They can be recognized by their very elongate subgenital plate, and by the auxiliary tooth on the tarsal claws. Male can be also easily recognized by the form of the claws and the facial shape. In this study, we found a newly recorded genus Yezoceryx, belonging to the Tribe Acaenitini, with two species in Korean fauna. Illustrated key of species and genera, diagnosis and photographs of each species are provieded.
Seol Mae Lee,Gwan-Seok Lee,Jong Wook Lee 한국응용곤충학회 2011 한국응용곤충학회 학술대회논문집 Vol.2011 No.05
The subfamily Acaenitinae Foerster, 1869 is a small-sized group belonging to the family Ichneumonidae. It includes 250 species in 26 genera from Ethiopian, Oriental, and Palaearctic region. However, only 14 species of six genera, Arotes, Coleocentrus, Jezarotes, Phaenolobus, Spilopteron and Yamatarotes have been reported from Korea. This subfamily can be easily recognized from other ichneumonids by the combination of the following characters: subgenital plate very elongate; tarsal claws with accessory tooth. Members of Acaenitinae are parasitoids of wood-boring Coleoptera, Hymenoptera and Lepidoptera. Among them, some of parasitoids of Cerambycidae are known as intermediate carrier of Bursaphelenchus xylophilus (Nematoda: Parasitaphelenchidae). In this study of the Korean Acaenitinae, we found the genus Yezoceryx from Korea for the first time, including newly recorded two species, Y. sp.1 and Y. sp.2. We provide description of the genus and two species with a key to the Korean genera of the subfamily Acaenitinae.
Gwan-Seok Lee,Seol-Mae Lee,Chang-Seok Kim,Hong-Soo Choi,Kyeong-Yeoll Lee,Wonhoon Lee 한국응용곤충학회 2013 한국응용곤충학회 학술대회논문집 Vol.2013 No.10
Field surveys for the B. tabaci species complex were conducted from 2009 to 2013 in Korea, and the results were compared with published data of the B. tabaci complex. Three species, Mediterranean, Middle East-Asia Minor 1, and JpL, were determined from several regions based on mitochondrial COI sequences. The Mediterranean was mainly collected in greenhouses, displacing the earlier invasive species, Middle East-Asia Minor, and the JpL was collected in the field. The JpL is newly confirmed as a unique species of B. tabaci complex in Korea and Japan.
Jong-Wook Lee,Jong-Chul Jeong,Seol-Mae Lee 한국동물분류학회 2008 Animal Systematics, Evolution and Diversity Vol.24 No.3
An acaenitine genus, Spilopteron Townes, 1960, is reported for the first time in Korea with S. mucronatus Lee new species. A key to the Korean genera of the tribe Acaenitini Foerster, 1869, description of the a species and photographs of diagnostic characters are provided.
Gwan-Seok Lee,Seol-Mae Lee,Hae-Ryun Kwak,Chang-Seok Kim,Hong-Soo Choi,Sukchan Lee,Kyeong-Yeoll Lee 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.10
The sweet potato whitefly, Bemisia tabaci (Gennadius, 1889) (Hemiptera: Aleyrodidae), is one of the most important agricultural pests by direct feeding and begomovirus transmission in the world. B. tabaci species complex consisting of about 30 species worldwidely has been mainly distinguished by molecular methods because of difficulties detecting morphological differences. In Korea, distribution of two exotic groups, the Mediterranean (Q biotype) and the Middle East-Asia Minor 1 (B biotype), were confirmed by comprehensive molecular methods in 2012. Of them, the Q biotype as a vector of Tomato yellow leaf curl virus (TYLCV) has caused significant crop yield losses. Tobacco leaf curl virus (TbLCV), one of four begomoviruses in Korea, was first reported in 2011. It damaged, although not frequent, to greenhouse tomatoes at Iksan, Gimje, Sunchang, and Jeju. The vector transmitting TbLCV, however, is not known yet. In this study, we sampled an unknown B. tabaci populations on leaves of the Japanese honeysuckle (Lonicera japonica) at Iksan in outdoor conditions. PCR analysis revealed that some populations were infected with TbLCV. We identified an unknown indigenous genetic group named as JpL and clarified its phylogenetic relationships based on nucleotide sequences of mitochondrial cytochrome oxidase I gene.
A New Exotic Tingid Species, Corythucha marmorata (Uhler) (Hemiptera: Tingidae) in Korea
Gwan-Seok Lee,Seol-Mae Lee 한국응용곤충학회 2012 한국응용곤충학회 학술대회논문집 Vol.2012 No.10
Corythucha marmorata (Uhler, 1878), the chrysanthemum lace bug, originally distributes throughout North America. It feeds on plants in the family Asteraceae. In south central New York, it has been known as a common herbivore of Solidago spp. and Aster spp., especially Solidago altissima and Aster novae-angliae. Since the first founding of the lace bug in the western Japan (Hyogo) in 1999, it has rapidly expanded to other areas and sometimes damaged to agricultural crops such as chrysanthemum and sweet potato. In July 2012, we found the lace bug at Icheon, Gyeonggi Province, in Korea for the first time. Interestingly Aster pilosus Wild., an American exotic plant, was heavily infested with a lot of adults and nymphs of the lace bug at roadside. Subsequent survey indicates that it distributes widely in the central Korea, inhabiting a few wild plants including Erigeron annuus (L.) and Conyza canadensis (L.). In this report, we provide its morphological and molecular characteristics, distribution, host plants, and possible importance as an agricultural pest in Korea.
Hwang, Seok-Jo,Byeon, Young-Woong,Lee, Seol-Mae,Kim, Jeong-Hwan,Choi, Man-Young,Kim, Sung-Hyun,Kim, Nam-Jeong,Park, Hae-Chul,Lee, Young-Bo,Lee, Sang-Beom,Lee, Jong-Wook Korean Society of Sericultural Science 2010 International Journal of Industrial Entomology Vol.21 No.2
This study was performed to investigate the temperature-dependent development, longevity and oviposition of an indigenous larval parasitoid, Meteorus pulchricornis, on tobacco cutworm, Spodoptera litura. M. pulchricornis were reared at nine constant temperatures between 15 and $35^{\circ}C$. The developmental times of each three developmental stage decreased from 38.7 to 16.3 d between 15 and $30^{\circ}C$. However, M. pulchricornis showed longer developmental time at $32.5^{\circ}C$ (9.5, 7.7 and 17.2 days for each three developmental stage) than at $30^{\circ}C$ (8.9, 7.3 and 16.3 days for each three developmental stage). Immature M. pulchricornis could not develop any more at $35^{\circ}C$. The lower developmental threshold estimated by linear regression equation for the egg to cocoon, cocoon to adult emergence and egg to adult emergence were 5.1, 4.6 and $4.5^{\circ}C$. The thermal constant for each of the three stages were 217.2, 176.2 and 403.8 degree-days, respectively. When no food or 50% honey solution as a food source is provided for M. pulchricornis, the parasitoid survived for 8.3 and 55.9 days at $25^{\circ}C$, respectively. M. pulchricornis females laid 5.2 eggs daily and total of 131.6 eggs at $25^{\circ}C$ until it died. Peak age-specific fecundity was observed on $14^{th}$ day (9.6 cocoons) after parasitoid emergence and gradually decreased thereafter.
Seok-Jo Hwang,Young-Woong Byeon,Seol-Mae Lee,Jeong-Hwan Kim,Man-Young Choi,Sung-Hyun Kim,Nam-Jeong Kim,Hae-Chul Park,Young-Bo Lee,Sang-beom Lee,Jongwook Lee 한국잠사학회 2010 International Journal of Industrial Entomology Vol.21 No.2
This study was performed to investigate the temperature-dependent development, longevity and oviposition of an indigenous larval parasitoid, Meteorus pulchricornis, on tobacco cutworm, Spodoptera litura. M. pulchricornis were reared at nine constant temperatures between 15 and 35oC. The developmental times of each three developmental stage decreased from 38.7to 16.3 d between 15 and 30oC. However, M. pulchricornis showed longer developmental time at 32.5oC (9.5, 7.7 and 17.2 days for each three developmental stage) than at 30oC (8.9, 7.3 and 16.3 days for each three developmental stage). Immature M. pulchricornis could not develop any more at 35oC. The lower developmental threshold estimated by linear regression equation for the egg to cocoon, cocoon to adult emergence and egg to adult emergence were 5.1, 4.6and 4.5oC. The thermal constant for each of the three stages were 217.2, 176.2 and 403.8 degree-days, respectively. When no food or 50% honey solution as a food source is provided for M. pulchricornis, the parasitoid survived for 8.3 and 55.9 days at 25oC, respectively. M. pulchricornis females laid 5.2 eggs daily and total of 131.6 eggs at 25oC until it died. Peak age-specific fecundity was observed on 14th day (9.6 cocoons) after parasitoid emergence and gradually decreased thereafter.
Melencion, Sarah Mae Boyles,Chi, Yong Hun,Pham, Thuy Thi,Paeng, Seol Ki,Wi, Seong Dong,Lee, Changyu,Ryu, Seoung Woo,Koo, Sung Sun,Lee, Sang Yeol MDPI AG 2017 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES Vol.18 No.12
<P>The physiological function of <I>Arabidopsis thaliana</I> universal stress protein (AtUSP) in plant has remained unclear. Thus, we report here the functional role of the <I>Arabidopsis</I> universal stress protein, AtUSP (At3g53990). To determine how AtUSP affects physiological responses towards cold stress, AtUSP overexpression (AtUSP OE) and T-DNA insertion knock-out (<I>atusp</I>, SALK_146059) mutant lines were used. The results indicated that AtUSP OE enhanced plant tolerance to cold stress, whereas <I>atusp</I> did not. AtUSP is localized in the nucleus and cytoplasm, and cold stress significantly affects RNA metabolism such as by misfolding and secondary structure changes of RNA. Therefore, we investigated the relationship of AtUSP with RNA metabolism. We found that AtUSP can bind nucleic acids, including single- and double-stranded DNA and luciferase mRNA. AtUSP also displayed strong nucleic acid-melting activity. We expressed AtUSP in RL211 <I>Escherichia coli</I>, which contains a hairpin-loop RNA structure upstream of chloramphenicol acetyltransferase (<I>CAT</I>), and observed that AtUSP exhibited anti-termination activity that enabled <I>CAT</I> gene expression. AtUSP expression in the cold-sensitive <I>Escherichia coli (E. coli)</I> mutant BX04 complemented the cold sensitivity of the mutant cells. As these properties are typical characteristics of RNA chaperones, we conclude that AtUSP functions as a RNA chaperone under cold-shock conditions. Thus, the enhanced tolerance of AtUSP OE lines to cold stress is mediated by the RNA chaperone function of AtUSP.</P>