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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Korean journal of applied entomology
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Journal DOI :
Korean Society of Applied Entomology
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Volume & Issues
Volume 38, Issue 3 - Dec 1999
Volume 38, Issue 2 - Aug 1999
Volume 38, Issue 1 - Apr 1999
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Systematic Study of Dorylaimida from Korea. 5. List of Recorded Species and Redescription of Seven Species of Dorylaimida from Korea
Young Eoun Choi ;
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 177~199
Seven known species of Dorylaimida from Korea were newly reported; redescribed and illustrated viz., Dorylaimus helveticus Steiner, 1919, Opisthodorylaimus cavalcantii(Lordello, 1955) Carbonel and Coomans, 1985, Thonus circulifer(T. & S. 1936) Thorne, 1974, Paralongidrus strelitziae (Heyns, 1966) Aboul-Eid, 1970, Oxydirus oxycephaloides (de Man, 1921) Thorne, 1939, Dorylaimoides (Digidorylaimoides) leptus Husain and Khan, 1968 andD.(D.) micoletzki(de Man, 1921) Thorne and Swanger, 1936. The species of Dorylaimida from Korea were arranged systematically.
A Taxonomic Review of the Genus Monochroa (Lepidoptera, Gelechiidae) in Korea
Sang Mi Lee ; KyuTek Park ;
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 201~207
Six species of Monochroa Heinemann, including five nwly reported species from Korae (M. cleodoroides, M. divisella, M. japonica, M. subcostipunctella, and M. suffusella), was reviewed, with illustration of their male and female genitalia. A key to all known species of the genus are provided.
Description of Fungus Gnat, Lycoriella mali Fitch (Diptera: Sciaridae) from Korea
Heung-Su Lee ; Kyu-Chin Kim ; Chung-Gyoo Park ; Won-Kyo Shin ;
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 209~212
A species of fungus gnat collected from mushroom house was identified as Lycoriella mali Fitch. Morphological characters of this species ar described and briefly compared with other associated species infesting mushrooms.
Two Orb Weavers of the Genus Neoscona (Araneae: Araneidae) from Korea
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 213~216
Tow unrecorded species of orb weavers belonging to genus Neoscona(Araneae: Araneidae) which were recently described from China for the first tiem were described from Korea. Korean spiders belonging to genus Neoscona, therefore, becomes 10 species with 8 recorded species.
Leaf Characteristics of Leguminous Plants and the Biology of Tobacco Cutworm, Spodoptera litura Fabricius: I. The Larbal Development and Leaf Feeding Amount
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 217~224
This study was conducted to determine the larval development of tobacco cutworm, Spdodoptera litura Fabricius, reared on leaves of different leguminous plants of 11 varieties or cultivars, and to measure amount of leaves fed by the larva. Larval duration ranged from 11.5 to 15.7 days depending on different food with the shortest on geomjeongkong-1 and the longest on daek-wangddangkong. Among 6 larval development stages, the 1st instar stages was the longest(3.2~5.0 days) while the 4th instar was the shortest (1.0~1.5 days). In general, amount of leaves consumed was increased with larval age, and consumed from 5 to 74% of total food only during the last instar stage. And female consumed more food than male. While, larval mortality and the sex-ratio seem to have no relation with the amount of food per species.
Leaf Characteristics of Leguminous Plants and the Biology of Tobacco Cutworm, Spodoptera litura Fabricius: II. Pupal Development and Adult Longevity
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 225~230
This study was conducted to determine the effect of pupal development and adult longevity of Spodoptera litura larvae reared on leaves of different leguminos plants of 11 varieties or cultivars. Pupal duration varied from 8.7 to 9.5 days depending upon different diets and duration of female pupa (8.3~9.1 days) was about 1 day shorter than that of male's (9.4~10.1 days). Prepupal an postpupal duration were 1.7 to 2.0 days and 6.7 to 7.7 days, respectively. Pupal weight ranged from 0.23g to 0.43g for female and 0.24g to 0.35 g for male. Percent change of pupal weight was lowest (11%) on geomjeongkong-1 and highest (16%) on bukwangkong. Adult longevity was in ranging from 7.8 days on dongbu to 11.2 days on bukwangkong and tended to become slightly longer in female than tin male. Significant relationships were recognized between moisture content of feeding leaf, the pupal duration and weight and adult longevity.
Development of Insect Population Dynamics and Forecast Models: A Case of Chilo suppressalis(Walker) Occurrence in Suwan
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 231~240
The long-term tend an pattern changes of Chilo suppressalis(Walker) occurrence in Suwon were analyzed and the forecasting models for spring emergence of C. suppressalis in Suwon were developed. From 1965 to 196, the population dynamics of C. suppressalis in Suwon shows a cyclic fluctuation with one large peak an one small peak, and its periodicity was ca. 36 generations(18 years). C. suppressalis population dynamics in Suwon was characterized as controlled by the endogenous dynamics dictated by the 1st order negative feedback mechanism (fast density dependence). The dynaics mechanism of C. suppressalis populations was not changed although its population density decreased drastically over the years. Using th dta of C. suppressalis spring occurrence in Suwon, forecasting models for spring emergence of C.supressalis were developed based on temperature-dependent development model or degree days. In general, these models well described the C. suppressalis spring emergence pattern in Suwon. Also, forecasting problems in spring moth emergence related with C. suppressalis population dynamics were discussed.
A Study on Respiratory horns on Pupa of Mushroom Pest, Coboldia fuscipes (Diptera: Scatopsidae)
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 241~247
This study was aimed to elucidate the physiological function of a pair of protuberances like bifurcated horns developed on the anterior part of pupa in Coboldia fuscipes (Diptera: Scatopsidae), a pest on the oyster mushroom. In the morphological characteristics, larvae had a pair of 0.04 mm long microspines at their second body segment. Pupae had a pair of protuberances like bifurcated horns of 0.55 mm long on the anterior part and six pairs of spines, 0.12 mm long, at the posterior part of the abdomen. The microspines-removed 4th instar C. fuscipes larvae developed into pupae without a pair of the protuberances. After emergence, however, the adults have a pair of antenna normal regardless of with or without the protuberances. As ecological characteristics at the pupation, the pupa without a pair of the protuberances have a tendency to pupate outside the medium. However, development characteristics of the microspines-removed larvae were very similar to those of control larvae. In the result of microscopic observation, a pair of the protuberances was connected wit six pairs of spines by lateral longitudinal trunck and formed a tracheal system. In conclusion, this results implicates that the protuberances have an important role as a respiratory horn during the pupal period.
Distribution of Races of Soybean Cyst Nematode in Korea
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 249~253
To study races of Heterodera glycines in Korea, 21 soil samples were collected from eight provinces in 1995. Four races were found; race 3(48%) was a dominant race flowed by race 5(24%), race 1(19%), and race 6(9%). About 30~40% of H. glycines populations reproduced on Pickett and PI88788, while non reproduced on Peking or PI90763. Development of resistant soybean cultivar targeting to race 5 and 6 of H. glycines using PI90763 and PI88788 as a parent is recommended.
Pathogenicity and Multiplication of Entomopathogenic Nematode, Steinernema carpocapsae Weiser, on Been Armyworm, Spodoptera exigua (Hubner) and Tobacco Cutworm, Spodoptera litura(Fabricius)
Korean journal of applied entomology, volume 38, issue 3, 1999, Pages 255~260
Pathogenicity and multiplication of entomopathogenic nematode, Steinernema carpocapsae Weiser, ere analyzed in two insect hosts, Spodoptera exiga (Hubner) and Sp. litura(Fabricius). The estimated
(lethal concentration of the infective juveniles to kill 50% of the host insect population) were not different between tow insect species or among their developmental stages on the filter paper assay, thought the actual numbers of the infected nematodes were varied among them. The significant variation, however occurred in nematode multiplication between tow inset hosts. Temperature also gave sosignificatn effect on nematode multiplication rate that it took 6 days after infection at
, but did 12 days at
to show the maximal nematode population peak(
500,000 infective juveniles(IJ) in a 5th instar larva of Sp. litura and
-100,000 IJ in a 5th instar larva of Sp. exigua).