간행물
한국응용곤충학회지 KCI 등재 Korean Journal of Applied Entomology
- 발행기관 한국응용곤충학회
- 자료유형 학술지
- 간기 계간
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Vol. 49 No. 4 (2010년 12월) 23건
1.
2010.12
구독 인증기관 무료, 개인회원 유료
A Truncatipennes species, Pentagonica subcordicollis Bates is newly recorded in Korea. Here we provide a diagnosis and systematic accounts of P. subcordicollis. Consequently, a total of three species of Pentagonia have been recorded in the Korea, including the present species.
3,000원
2.
2010.12
구독 인증기관 무료, 개인회원 유료
Immature stages of Mantura rustica (Linnaeus) are described in detail for the first time in Korea. A key to identifying larvae of Korean Mantura is provided, with their illustrations and larval tubercle pattern.
3,000원
3.
2010.12
구독 인증기관 무료, 개인회원 유료
One of stored food mites, Suidasia medanensis Oudemans, 1924 is first reported form Korea after the stored food surveys in 2008 and 2009. The morphological characteristic is given.
3,000원
4.
2010.12
구독 인증기관 무료, 개인회원 유료
Several species of the genus Aphidius are used in biological control programs against aphid pests throughout the world and their behavior and physiology are well studied. While the importance of sensory organs in their behavior is understood, their antennal structure remains largely unknown. In this study, the external morphology and distribution of the antennal sensilla on the antennal of both female and male adults of A. colemani were described using scanning electron microscopy (SEM). Generally, the filiform antennae of males (1,515.2±116.5 ㎛) are longer than females (1,275.1±103.4 ㎛). Antennae of this species are made up of radicle, scape, pedicel and flagellomeres. Male and female antennae differed in the total number of flagellomeres as 15 in males and 13 in females. The result of SEM observation was characterization and grouping of seven types of receptors into morphological classes: Bohm bristles, Sensilla placodea, 2 types of S. coeloconica and S. trichodea, and S. basiconica as with a tip pore and with wall pores. In addition, the possible functions of the above sensilla types are discussed in light of previously published literature, mechanoreception (Bohm bristles, S. coeloconica Ⅰ & Ⅱ and S. trichodea) and chemoreception (S. placodea, S. basiconica type Ⅰ & Ⅱ).
4,200원
5.
2010.12
구독 인증기관 무료, 개인회원 유료
The loss of natural habitats and their fragmentation caused by human activities pose a great threat to biodiversity worldwide, reducing animal population to small, fragmented patches of natural habitat. In this paper, a metapopulation dynamics of Sericinus montela koreanus, a species of butterfly, was studied for two years by mark-release-recapture (MRR) techiques in the Musimcheon, Cheongju Korea. 2,749 individuals (males: 2,295, females: 454) were marked and released, with 343 individuals (12.5%) recaptured during the MRR experiment. Capture sex ratio and recapture sex ratios was both consistently male-biased. The Jolly-Seber model was used to estimate daily metapopulation size, survival rates, addition rate, and accidental deaths. We urge conservation biologists to consider the local population dynamics of species for the management of metapopulations in fragmented landscapes. In the case of the S. montela koreanus, continuing site protection is essential.
4,000원
6.
2010.12
구독 인증기관 무료, 개인회원 유료
The striped fruit fly, Bactrocera scutellata (Diptera: Tephritidae), is one of the most important pests in Cucurbitaceae plants. Among 6 attractants for B. scutellata used, Cue-lure was shown better effect than the others. Newly emerged adult of B. scutellata had been occurred early June of the year tested. There were two peaks of occurrences of B. scutellata, one was from mid-July to early August and the other was early September suggesting that B. scutellata has two generation a year. The larva of B. scutellata damaging the female flower and stem of the pumpkin was found for the frist time on Korea. The blossoms were damaged and fallen by B. scutellata which were 53.8% of male flower and 30.7% of female flower in the 6 pumpkins. The pumpkin flowers were damaged 51.9% by B. scutellata. Especially the pumpkin flowers damaged were shown 72.7% (1015/1397 individuals) from August to September. The larva of B. scutellata was found from the Trichosanthes kirilowii on 24 June 2009 in Jinan-gun Jeollabuk-do.
4,000원
7.
2010.12
구독 인증기관 무료, 개인회원 유료
The developmental time of immature stages of Paromius exiguus (Distant) was investigated at nine constant temperatures (15, 17.5, 20, 22.5, 25, 27.5, 30, 32.5, 35±1℃), 20-30% RH, and a photoperiod of 14:10h (L:D). Eggs did not develop at 15℃, and their developmental time decreased with increasing temperatures. Its developmental time was longest at 17.5℃ (28.2 days) and shortest at 35℃ (5.9 days). The first nymphs failed to reach the next nymphal stage at 17.5 and 35℃. Nymphal developmental time decreased with increasing temperatures between 20℃ and 32.5℃, and developmental rate was decreased at temperatures above 30℃ in all stages except for the fourth nymphal stage. The relationship between developmental rate and temperature fit a linear model and three nonlinear models (Briere 1, Lactin 2, and Logan 6). The lower threshold temperature of egg and total nymphal stage was 13.8℃ and 15.3℃, respectively. The thermal constant required to reach complete egg and the total nymphal stage was 109.9 and 312.5DD, respectively. The Logan-6 model was best fitted (r²=0.94-0.99), among three nonlinear models. The distribution of completion of each development stage was well described by the 3-parameter Weibull function (r²=0.91-0.99).
4,000원
8.
2010.12
구독 인증기관 무료, 개인회원 유료
With growing interest in biodiversity in rice paddies, efficient sampling methods for quantitative evaluation of aquatic macroinvertebrates are needed because of their important role in rice paddies’ food webs. For this reason, we sought a proper sampling method through comparing data collected by using aquatic net, quadrat, and core in rice paddies located in Chuncheon-si, Kangwon-do, Hongseong-gun, and Chungcheongnam-do. Because the frame of the net was rectangular and had a flat bottom, the area, sampledwith the aquatic net, was calculated by multiplying the net width by the sweeping length, All samples were taken from the space between the rows of rice plants. Twenty four taxa of macroinvertebrates were collected in Chuncheon and 28 taxa in Hongseong. In Chuncheon, the number of taxa was similar among three sampling methods (17-18 taxa), but the number of individuals was different (aquatic net, 1,317/㎡, quadrat, 1,368/㎡, core, 1,810/㎡). In Hongseong, the number of taxa sampled by aquatic net was the highest (aquatic net, 25 taxa, quadrat, 21 taxa, core, 16 taxa), but the core was the highest in the number of individuals (aquatic net, 1,586/㎡, quadrat, 2,595/㎡, core, 3,704/㎡). The efficiency of samplers differed among taxa. Most of aquatic insect taxa were more abundant in the aquatic net, while those living on or in the paddy substratum such as Oligochaeta and Chironomidae were collected more in the quadrat sampler. To collect quantitative data for aquatic insects as well as to produce inventory of rare taxa, we suggest, based on samplers used in this study, to take quantitative samples of 6 replications from each of the edge and inner zones of a rice paddy by using an aquatic net, and to take qualitative samples both from sides of levees and the inner zone of rice paddy by using an aquatic net.
4,300원
9.
2010.12
구독 인증기관 무료, 개인회원 유료
Attractiveness of stink bugs to various colors, heights and locations of fish-net traps incorporated with aggregation pheromones was determined. Bean bug, Riptortus pedestris Fabricius, was most attracted to yellow color trap, followed by white, black, green, blue and brown. R. pedestris and one-banded stink bug, Piezodorus hybneri Gmelin, were most attracted to fish-net traps placed 80 ㎝ above the ground regardless of sexes of two species of stink bugs. Between the sexes, however, R. pedestris females were more attracted to 40 and 80 ㎝ above the ground than the males at those heights although the attraction was not significantly different at 120 and 160 ㎝ heights. P. hybneri females tended to be attracted to 40 and 80 ㎝ height traps but the attraction was the opposite at 120 and 160 ㎝ heights. The highest attraction of R. pedestris was observed in a perilla field with no significant difference in the soybean field and border area in which no crop were cultivated between the perilla and soybean fields. R. pedestris was also more attracted to the sweet persimmon orchard than the soybean and medicinal crops fields, which was a significant difference between the two fields.
4,000원
10.
2010.12
구독 인증기관 무료, 개인회원 유료
The possibility of commercializing the controlled release of chitosan carrier nano formulation was examined with mortalities and population increase rates of Aphis gossypii and Myzus persicae after treatment of 2 α-cypermethrin nano type formulations of different chitosan carrier molecular weight (M.W. 3,000 and 30,000) and 2 etofenprox nano types of chitosan content (70% and 80%). After 14 days of treatment, α-cypermethrin nano formulation showed over 40% mortality against A. gossypii. Therefore, it was confirmed that the insecticide release was controlled through chitosan carrier. Results of the investigation of insecticidal activity of α-cypermethrin nano formulation showed there were no differences between nano types at 4 days after treatment. However, after 14 days, the population increase rate treated with chitosan M.W. 30,000 formulation was -0.037, much lower than that of M.W. 3,000 formulation with 0.231. The result exhibits that chitosan M.W. 30,000 formulation would be a suitable controlled release formulation. On the other hand, etofenprox formulations didn’t show any significant insecticidal effect or persistency difference against both aphid species.
4,000원
11.
2010.12
구독 인증기관 무료, 개인회원 유료
The golden apple snail was introduced to the Korea from Japan as a potential food for people in 1983. It is one of the pests of direct-seeded rice in korea. This study was conducted to investigate rice(Oriza sativa) consumption and the extent of damage by the golden apple snail(Pomacea canaliculata) in direct-sown paddy fields. Food consumption of the golden apple snail was highest at 30℃. When the emergence of the 1st, 3rd, and 5th leave of rice supplied food, the consumption of young(shell height 15㎜) and adult golden apple snail(over shell height 30㎜) at 30℃ were 19.0/79.8, 11.0/54.5, 5.5/18.5, and 0.0/2.0 individuals, respectively. Young rice seedings(before 5th leaves of rice) are very susceptible to golden apple snail damage because the young, tender leaves and stems favor the snail"s feeding habits. The field experiment with four treatments (0, 2, 5 and 10 individuals respectively per 10 ㎡) was carried out. The most serious yield loss was 16% from the plot with 10 adults released at emergency stage of rice.
4,000원
12.
2010.12
구독 인증기관 무료, 개인회원 유료
This study was conducted to determine the relationship of larval density of tobacco cutworm, Spodoptera litura (Fabricius) to damage in greenhouse sweet pepper. Laboratory experiments, cage experiments by artificial release and field investigation were carried out in 2008. The leaf consumption rate increased greatly with larval development. The damaged leaves had several round or oval shape holes on the surface or lost certain parts of them, and the fruit damaged had a conspicuous hole on the surface or scar marks around the calyx. In the field investigation, fruit damage was highly correlated with larval densities and reached 3.5% damage at maximum. Cage experiments showed that numbers of non-marketable fruit increased as increasing larval densities released. The larval density at two weeks before harvest had a high relationship with the percentage of damaged-fruit at harvest. Corresponding larval density caused 1, 3, 5% of damaged-fruit was 0.2, 0.5, 0.8 larvae per plant, respectively.
4,000원
13.
2010.12
구독 인증기관 무료, 개인회원 유료
Soybean seed injury was analyzed in the experiments in which the bean bug, Riptortus pedestris(Hemiptera: Alydidae), was released into screen-caged pots containing full seed stage(R6) of soybean. When the different stages of insects, from the 3rd instar nymphs to adults, were released into pots during 8 days in soybean R6 stage, soybean seeds with injury marks (B-type seeds) increased. The weight reduction ratio in B-type seeds was highest in the injury by the 5th instar nymphs, while the daily-produced number ratio of B-type seeds was small in the treatment. In the injury by the different number of adult released into pots, 4, 8, 16 adults caused a significant increase of B-type seeds, while 16 adults caused the significant increase of the deformed (C-type) seeds. In the injury by the different release period of adults, the total number of pods was not significantly different among treatments, while the total seed number harvested was significantly small in the release for 48 days. The release for 8 and 16 days caused a significant increase of B-type seeds, while the release for 48 days caused the increase of C-type seeds. The results indicated that injury of soybean R6 stage by the bean bug produced soybean seeds with distinct injury marks at relatively low density and during short term attack period, while it produced deformed seeds at high density and during long attack period.
4,000원
14.
2010.12
구독 인증기관 무료, 개인회원 유료
A postharvest treatment called CATTS (controlled atmosphere and temperature treatment system) has been used as an alternative nonchemical measure for methyl bromide fumigant treatment. This study applied CATTS to control the red flour beetle, Tribolium castaneum, infesting stored grains. Adults of T. castaneum were susceptible to 46℃ heat treatment. The susceptibility was further enhanced by addition of CA conditions (15% CO₂ and 1% O₂). When CATTS (46℃, 15% CO₂, 16℃/h treating rate) was applied to different developmental stages of T. castaneum, it showed 100% control efficacy by 120 min exposure. There was a variation in CATTS susceptibility among developmental stages, in which late instar larvae were most tolerant. Heat shock proteins of T. castaneum appeared to be implicated in the tolerance of CATTS.
4,000원
15.
2010.12
구독 인증기관 무료, 개인회원 유료
The blossom midge, Contarinia maculipennis Felt（Diptera: Cecidomyiidae）originated in Southeast Asia and is present in Japan, the continental USA, and Hawaii. Recently, C. maculipennis was intercepted in Japan, USA and the Netherlands by using orchid flowers imported from Southeast Asian countries. This pest is designated as a quarantine pest in Korea because of its potential damages to vegetables and ornamental plants. In Korea, similar symptoms of damage, which mighty be caused by C. maculipennis, have been investigated in western orchids, especially on Dendrobium phalaenopsis, from Mid-2000s. Official recognition was given to C. maculipennis in 2007, followed by an investigation on the occurrences of C. maculipennis and its damages, mainly on D. phalaenopsis, in 2008~2009. We emphasize caution concerning the possibilities that C. maculipennis could infest flower buds of orchids and carry out management strategies for this pest in the future.
3,000원
16.
2010.12
구독 인증기관 무료, 개인회원 유료
We tried to establish the history of outbreaks and control methods of ‘hwangchung’ in Joseon Dynasty, uncovering the biological reality of the ‘hwangchung’ (called hwang or bihwang) analyzed through the Database program on ‘the Annals of the Joseon Dynasty’ and ‘the Enrollment of Haegoeje’, two of the finest examples of classical historical records. The total number of articles on the outbreak of the hwangchung is 261 in the Annals of the Joseon Dynasty and 65 in the Enrollment of Haegoeje. There were four peaks by hwangchung throughout the Joseon Era. Among them, the periods of King Taejo to King Sejong had the highest incidence. By comparing the number of records of the hwangchung from the Annals of the Joseon Dynasty with that in the Enrollment of Haegoeje during the same period, results show the former was less than the latter, 35 vs 65. However, both records were relatively inconsistent with each other. Insect pests in forests as well as in agriculture were included in the biological identities of the hwangchung in the Joseon Dynasty periods, which is in accordance with those of Saigo’s. The taxonomic identity could be confirmed in only 25 cases (9.5%) among the articles on hwangchung. It largely coincided with Paik"s opinion: 11 in armyworm, nine in moth larva, one in rice stem borer, two in migratory locust, one in planthopper and one in rice-plant weevil. Therefore, it is not reasonable to regard hwangchung as a migratory locust or grasshopper only. The number of reports on the occurrence of hwangchung in the Annals of the Joseon Dynasty was 173 (66% of the total) and 47% of them were just simple reports, which means the report itself on the appearance of hwangchung was very significant. The reports on controlling insect pests were of low frequency, in 20% (34 cases) of the total reports, capturing insect pests or holding traditional ceremony called ‘Poje’. Among them, only one case related to the treatment of seeds to prevent the damage by hwangchung was published in the King Sejong period. There were 37 discussions about changes and management of government policies due to disasters by hwangchung. They were mostly about relief or tax cut to the people who suffered damage and about cancellation of recruiting people to military training, constructing castles, and so on. It seems that not only the people but also the king was influenced by the hwangchung. In the case of King Seongjong, he referred to the stress of the prevention measure of locusts in 10 articles. The damage also had an effect on abdication in the reign of King Jeongjong.
4,000원
17.
2010.12
구독 인증기관 무료, 개인회원 유료
This study reports the results of natural enemy application against four insect pests on greenhouse sweet pepper in winter cropping system. Orius laevigatus (3.3/㎡) was released at two different times (Nov. 2005 & Feb. 2006) to control Frankliniella occidentalis, western flower thrips (WFT). Throughout the cropping season, the lowest level recorded of WFT was less than 2.0 individuals per yellow sticky trap. Amblyseius swirskii (232.3/㎡) was released four times (Nov. 2007 ~ Aug. 2008) to control Bemisia tabaci, tobacco whitefly (TWF). Until July 2008, TWF population had been suppressed lower than 6.6/trap. Phytoseiulus persimilis (44.5/㎡) was released seven times (Apr. 2008 ~ Aug. 2008) to control Tetranychus kanzawai, tea red spider mite (TRSM). As a result, TRSM population was suppressed lower than 1.7/leaf. To control aphids, Aphidius colemani (9.5/㎡) was released seven times (Oct. 2004 ~ Jan. 2005), with the transplantation of banker plants (5.5pot/660㎡). As a whole, aphid"s population has been successfully reduced to less than 2.0/leaf.
4,000원
18.
2010.12
구독 인증기관 무료, 개인회원 유료
The parasitism, development time, hatchability, and progeny production of Trichogramma chilonis(TC) females developed in eggs of Helicoverpa assulta (HAs), Cadra cautella (CC), and Helicoverpa armigera (HAr), repectively, were compared with those developed in reciprocal eggs at constant temperatures of 25±2℃ and relative humidity of 50～70% under 16L-8D. Developmental performances of TC reared in each of the three hosts on the following hosts(host tested) appeared differently, and were affected most by the size of the proceeding hosts and test host. Among the parameters parasitism and progeny production were affected more than others. Parasitism was significantly different between the treatments, lowest in CC-HAr(10.1±2.05%) and highest in HAr-HAs(47.0±2.09%), and the hatchability showed similar pattern. Development time as well was shortest in the CC-HAr where previous host is smallest and test host is biggest. The highest number of progeny production of TC was observed in HAr-HAs(93.9±6.87 wasps), and the lowest was CC-HAs(18.4±6.36 wasps).
4,000원
19.
2010.12
구독 인증기관 무료, 개인회원 유료
Daily predation of femlae/male O. sauteri during nymphal development were 4.2/3.9, 11.4/9.5, 14.3/10.8, and 14.7/12.5 at 17, 22, 27, and 32℃, respectively, and consumed 14.3/10.8 thrips, 7.5/7.2 aphids, 45.9/38.8 mites at 27℃, respectively. Adult females ate 42.8 thrips daily during preoviposition period and 63.2 thrips during oviposition period at 27℃. Predation by O. sauteri on F. occidentalis increased as the density of F. occidentalis increased. However, the rate of increase gradually lessened, resembling a Holling’s type II functional response. The attack rate of adult female is higher than that of the 5th nymph. Adult female and 5th nymph of O. sauteri appeared to prefer 2nd larva of F. occidentalis.
4,000원
20.
2010.12
구독 인증기관 무료, 개인회원 유료
An entomopathogenic bacterium, Photorhabdus temperata ssp. temperata (Ptt), suppresses insect immune responses and facilitates its symbiotic nematode development in target insects. The immunosuppressive activity of Ptt enhances pathogenicity of various microbial pesticides including Bacillus thuringiensis (Bt). This study was performed to select a cheap and efficient bacterial culture medium for large scale culturing of the bacteria. Relatively cheap industrial bacterial culture media (MY and M2) were compared to two research media, Luria-Bertani (LB) and tryptic soy broth (TSB). In all tested media, a constant initial population of Ptt multiplied and reached a stationary phase at 48 h. However, more bacterial colony densities were detected in LB and TSB at the stationary phase compared to two industrial media. All bacterial culture broth gave significant synergism to Bt pathogenicity against third instars of the diamondback moth, Plutella xylostella. Production of bacterial metabolites extracted by either hexane or ethyl acetate did not show any significant difference in total mass among four culture media. Reverse phase HPLC separated the four bacterial metabolites, which were not much different in quantities among four bacterial culture broths. This study suggests that two industrial bacterial culture media can be used to economically culture Ptt in a large scale.
4,000원
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