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          • SCIESCOPUSKCI등재

            Speciation processes within the Korean Peninsula based on the mites from the family Zerconidae (Acari: Mesostigmata)

            Kaczmarek,,Slawomir,Marquardt,,Tomasz Korean Society of Applied Entomology 2006 Journal of Asia-Pacific Entomology Vol.9 No.3

            The mesostigmatid mites speciation of the family Zerconidae in the Korean Peninsula was analysed in relation to the range of this group in the world. The Korean Peninsula is located on the edge of the Holarctic and is characterised by a uniquely diversified climate shaping the longitudinally changing flora. At present, there are altogether 40 genera included in the family Zerconidae. So far, in the Korean Peninsula there have been recognised 18 species of the Zerconidae belonging to 11 genera. The endemic genera within the area include: Metazercon, Eurozercon, Xenozercon, Koreozercon, Kaikiozercon, Aquilonozercon, and cf. Mesozercon gen. nov. A very high level of endemism (over 60%) proves the intensity of the speciation processes within the Zerconidae family on the Korean Peninsula.


            Brown,William,M. Korean Society of Applied Entomology 1976 한국식물보호학회지 Vol.15 No.1

            As the technology of rice production in Korea has rapidly developed and progressed over the last few years, many problems in rice production have been solved. But with the introduction of new genetic material, the increased use of pesticides, higher fertilizer rates and closer plantings, new problems are beginning to emerge. The brown plant hopper outbreak in 1975 resulted to a great extent from some of the changes in management practices. Some rice diseases and nutritional problems that have existed in Korea but have not been considered of serious consequence, are now becoming increasingly severe and possibly as limiting as the hopper outbreak in 1975. Other diseases and nutritional problems are completely new and their cause and significance have not yet been adequately defined. In this discussion there is no Intention to state, nor is there evidence to support a statement, that any of these problems are going to be limiting factors in the future production of rice on the Korean peninsula. Rather this is an attempt to bring together some of the current field problems in Korean rice so that they can be discussed and where necessary receive suitable consideration for research and control.

          • SCIESCOPUSKCI등재

            Taxonomic Notes on Two Apolygus Species (Heteroptera: Miridae: Mirinae) in Korea

            Seong,,Jong-Woon,Lee,,Seung-Hwan Korean Society of Applied Entomology 2007 Journal of Asia-Pacific Entomology Vol.10 No.4

            Apolygus subhilaris (Yasunaga 1992) is reported for the first time from the Korean peninsula, and a new host plant of A. watajii Yasunaga and Yasunaga 2000 is confirmed. Diagnostic characters to separate them from allied species are given with photos of dried specimens, male genitalia and live adults. A key to Korean Apolygus species is provided.

          • SCIESCOPUSKCI등재

            A Newly Recorded Species of the Genus Tiphia Fabricius (Tiphiidae, Hymenoptera) from Korea, with a Checklist of Korean Tiphiidae

            Han,,Seung-Pil,Lee,,Seung-Gil,Kim,,Jeong-Kyu Korean Society of Applied Entomology 2007 Journal of Asia-Pacific Entomology Vol.10 No.4

            Tiphia sternocarinata Allen and Jaynes is newly discovered in Korea. This species is easily distinguished by the almost straight second intercubital vein and the presence of a median longitudinal carina in anterior constricted area of metasomal sternum I. A checklist of the 21 valid species of Korean tiphiid wasps is also provided.

          • SCIESCOPUSKCI등재

            Variation in Sex Pheromone Composition of a Few Selected Lepidopteran Species

            Boo,,Kyung-Saeng Korean Society of Applied Entomology 1998 Journal of Asia-Pacific Entomology Vol.1 No.1

            Composition of insect sex pheromone is not always constant for any particular species. It may be different depending on the geographical area in the distribution of a species, as can be seen in the case of the European corn borer moth, Ostrinia nubilalis (Pyralidae). During the course of examining sex pheromone compositions of several lepidopteran species damaging agricultural and horticultural crops in South Korea, some subtle or apparent differences were noticed in sex pheromone compositions of Korean population belonging to those same species distributed in her neighboring countries. The oriental tobacco budworm moth, Helicoverpa assulta(Noctuidae), in Korea prefers the blend of 100 : 5 between(Z)-9-hexadecenal and (Z)-11-hexadecenal, while Thailand population responds best to 100 : 13 and Chinese population to wider blends from 100 : 2 to 100 : 20. Among lepidopteran insect pests on apples and apple tree leaves, the oriental fruit moth, Grapholita molesta(Tortricidae), showed almost no difference from one region to another. Korean population responded best to the blend of 100 : 5, with other populations to 100 : 6~100 : 9 between (Z)-8-dodecen-1-ol acetate and (E)-8-dodecen-1-ol acetate. Onthe other hand, the peach fruit moth, Carposina sasakii(C. niponensis) (Carposinidae), males were attracted best to a single component, (Z)-7-eicosen-11-one in the case of Korean population, in contrast to Japanese population which was shown to be preferentially attracted to the mixture of the (Z)-7-eicosen-11-one and (Z)-7-nonadecen-11-one at the ratio of 100 : 5. The yellow peach moth, Dichocrocis pundtiferalis(Pyralidae), seems to consist of two different populations in the northeastern Asia region, with one group resonding to the blend of 100 : 8~100 : 11 between (E)-10-hexadecenal and (Z)-10-hexadecenal and the other to tat of 100 : 43. The first group was found in Japan ad China and the second in Korea and also China. Korean population of the apple leaf miner, Phyllonorycter ringoniella(Gracillariidae), was best attracted to the blend of 100 : 150 between (Z)-10-tetradecen-1-ol acetate and (E, Z)-4, 10-tetradecen-1-ol acetate, while Japanese and Chinese popilations to the blends of 100 : 10~30 and 100 : 43~67, respectively. Furthermore, Korean Adoxophyes(Tortricidae) seemed to be a totally different species from Japanese Adoxophyes sp., or Adoxophyes orana fasciata, when viewed in terms of their pheromone composition.

          • SCIESCOPUSKCI등재

            Seasonal Occurrence and Morphological Measurements of Pine Sawyer, Monochamus saltuarius Adults (Coleoptera: Cerambycidae)

            Han,,Ju-Hwan,Yoon,,Chang-Mann,Shin,,Sang-Chul,Kim,,Gil-Hah Korean Society of Applied Entomology 2007 Journal of Asia-Pacific Entomology Vol.10 No.1

            To investigate the seasonal occurrence of the pine sawyer, Monochamus saltuarius, its emergence rate was observed in pine log and Korean white pine log conditions after the logs were cut to a regular size and placed in a netted cage. Numerical measurement was also conducted for sex ratios, fresh weight, body length and width, head width, and length of adult antennae. In the Korean white pine logs, the first day of emergence occurred on May 2, the day of peak emergence observed on May 29, and the last day of emergence was on June 10. In the pine logs, the first day of emergence occurred on May 7, the day of peak emergence was observed on May 22, and the last day of emergence was on May 30. The period of seasonal occurrence observed for the pine logs was shorter than that of Korean white pine logs. Sex ratios were 0.58; the average fresh weights of males (331) and females (379) were 0.21 g and 0.23 g; body lengths were 17.6 mm and 18.4 mm; body widths were 5.47 and 5.81 mm; head widths were 3.30 mm and 3.42 mm; and antennal lengths were 40.28 mm and 26.40 mm, respectively. The ratio of the length of the antenna to the body length was measured to be 2.0 in males and 1.4 in females.

          • SCIESCOPUSKCI등재

            Disturbance Of Adult Eclosion by Fenoxycarb, a Juvenile Hormone Mimic, in the Beet Armyworm, Spodoptera exigua

            Kim,,Yonggyun,Kim,,Dongki,Lee,,Jungeon Korean Society of Applied Entomology 2000 Journal of Asia-Pacific Entomology Vol.3 No.2

            Effect of exogeneus juvenile hormones (JHs) on pupal development was assayed in the beet armyworm, Spodoptera exigua. Fenoxycarb, a potent JH mimic, was applied topically to different ages of the pupae, and showed significant inhibition of normal adult eclosion even at 0.1$\mu\textrm{g}$ dose when it was applied at the early pupal stage (day 0). As the pupal development underwent, the susceptibility of the pupae fenoxycarb decreased. RH5992, a potent ecdysteroid mimic, did not, however, any similar inhibiotry effect on the pupae. Natural JH types (JH I, JH II, and JH III) were applied on day 0 pupae to compare their inhibitory effects en adult eclosion. Both JH I and JH III significantly inhibited adult eclosion at 1.0$\mu\textrm{g}$ dose, but JH III did not even at 10.0$\mu\textrm{g}$ dose. It was meted that fenoxycarb-treated pupae showed little rectum development. Fenoxycarb did not, however, show any negative effect on the development of compound eye and wing imaginal discs, and on the pupal hemolymph protein pattern. These results suggest that there should be a commitment period requiring an absence of JH fur a normal adult metamorphosis during early pupal development and that the endogenous type of JH in S. exigua is JH I or JH II or both JHs like other lepidopteran species.

          • Taxonomic Review of Korean Eumenine Wasp Genus Symmorphus Wesmael (Eumeninae: Vespidae: Hymenoptera)

            Kim,,Jeong-Kyu,Lee,,Seung-Gil Korean Society of Applied Entomology 2002 INSECTA KOREANA Vol.19 No.3

            Korean Symmorphus species are reviewed taxonomically. We have confirmed eleven species including six newly recorded ones from the Korean Peninsula: Symmorphus ambotretus, S. angustatus, S. apiciornatus, S. bifasciatus, S. carinatus, S. decens, S. foveolatus, S. lucens, S. mizuhonis, S. murarius, S. tsushimanus. A key, diagnosis, remark and illustrations to all the known species are provided.

          • Korean Cave Species of the Superfamily Staphylinoidea (Coleoptera) I

            Cho,,Young-Bok,Shin,,Choru,Choi,,Yong-Gun Korean Society of Applied Entomology 2003 INSECTA KOREANA Vol.20 No.2

            We investigated Korean cave species of the superfamily Staphylinoidea from 32 local cave sites and found 21 species belonging to three families. Among them, three species, Geodromicus hermani Watanabe, G. nipponensis Watanabe and Bolitobius parasetiger Schulke belonging to Staphylinidae are newly recorded from Korea and 15 species are newly added in Korean cave-dwelling fauna. Together with one species recorded but not found in this study, a total of 22 species of Staphylinoidea are recorded in Korean cave-dwelling fauna.

          • SCIESCOPUSKCI등재

            Spatial Conditioning in the Flesh Fly, Sarcophaga crassipaipis: Disruption of Learning by Cold Shock and Protection by Rapid Cold Hardening

            Kim,,Young-Soo,Denlinger,,D.L.,Smith,,B. Korean Society of Applied Entomology 2005 Journal of Asia-Pacific Entomology Vol.8 No.4

            We have developed a new paradigm for examining classical conditioning in the flesh fly, Sarcophaga crassipalpis, and specifically apply it as a sensitive measurement for sublethal effects of cold shock. When water was applied as a conditioned stimulus to the right tarsus and reinforced with a brief opportunity to feed on a sucrose-water solution, flies quickly loam to discriminate stimulation of the right from the left tarsus. Further analyses revealed that the discrimination has a strong spatial component. Flies also retain this spatial discrimination over four days as indicated by the fact that the number of correct responses increases with continued training over that time. Cold shock ($-10^{\circ}C$ for 3 min) applied 30 and 60 min after first training interfered with learning. But, cold shock applied 120 min before or 90 min after conditioning did not significantly affect learning. The spatial memory we have identified therefore has a sensitive period during which it can be disrupted with cold shock. Furthermore, we demonstrate that the disruptive effect of cold shock on learning formation can be prevented by rapid cold hardening, a brief pre-exposure to a less severe low temperature.

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