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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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Zoogeographic Analysis on the Subfamily Tryphoninae (Hymenoptera:Ichneumonidae)
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 1~10
According to zoogeographic analysis, distribution types of Korean species of the subfamily Tryphoninae are as follows; Holarctic species (9.6%), Transpalearctic (38.4%), Transpalearctic-Oriental (8.2%), Eastern Palearctic (Trans-Far East Asia)-Oriental (4.1 %), Eastern Palearctic (17.8%) and Endemic (21.9%). Because of large numbers of palearctic and endemic species, we believe that the Korean Tryphoninae may have originated from northern hemisphere. The oldest fossil species of the Tryphoninae are the Catachoru rninor Townes and Urotryphon pusillus Townes in Creataceous amber from the peninsula Taimyr, Siberia. The world-wide distribution of the Tryphoninae appears to coincide with the continental movement.
Discovery of Coleophora obducta Meyrick (Lepidoptera:Coleophoridae) from Korea
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 11~13
Coleophora obducta Meyrick, which has been excluded in the list of Korean Coleophoridae is discovered for the first time from Korea based on the specimens preserved in the Center for Insect Systematics and Forestry Research Institute. The external and genital characteristics of the species is briefly redescribed with available informations.
Eucoegenes ancyrota (Meyrick) (Lepidoptera, Tortricidae) attacking to Ternstroemia japonica Thunb. new to Korea
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 15~17
An Olethreutine species Eucoegenes ancyrota (Meyrick), which tie together 2-3 leaves of Ternstroemia japonica Thunb. and feed it, is reported for the first time from Korea with morphological character of larva and adult, and a brief biology.
New Records of Pear Rust Mite, Phyllocoptes pyrivagrans Kadono, from Korea (Acari:Eriophyidae)
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 19~21
Eriophyid mites, Phyllocoptes pyrivagrans Kadono, 1985 on pear are described and illustrated in korea for the first time.
Effects of Tempearture and Food Source on Pupal Development, Adult Longevity and Oviposition of the Tobacco Cutworm, Spodoptera litura Fabricius
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 23~28
This study was conducted to determine the effect of temperatures, 24"C, 28
C and 32"C,and food sources on pupal development, adult longevity and oviposition of tobacco cutworm, Spodopteralitura Fabricius. Percent pupation of S. litura was became higher at higher temperature from 23% to 88%.And its percent pupation was highest on soybean leaf (SL), followed by perilla leaf (PL), sweet potato leaf(SPL) and artificial diet (AD). Pupal weight ranged from 0.28g on SPL to 0.40 g on PL and was tended toheavier with decreasing temperature. The mean pupal duration was 14, 10 and 7 days at 24"C, 28
C and32"C, respectively. Percent emergence was in range of 21% to 89% with higher percent emergence as thetemperature increased and both 28
C and 24
C was highest on SL, followed by PL, SPL and AD, but at24
C the order was SPL, PL, SL and then AD. Preoviposition duration was 3.2 days at 24"C, 2.8 days at28
C and 2.5 days at 32
C. Adult longevity became shorter as the temperature increased from 6.4 to 3.9days. Male longevity was longer than that of female. Adults lived longest when they were reared on PL,followed by SL, SPL and AD. Total number of eggs laid per female varied from 803 to 1,441 regardlessof the treatments, but those were significantly more on natural foods than on AD. Number of eggs per eggmass was 97.4 at 24
C 155.8 at 28
C and 104.7 at 32
C. Number of egg mass was 12.0, 6.7 and 11.3 at24"C, 28
C and 32"C, respectively.4"C, 28
C and 32"C, respectively.pectively.
Effect of Temperature on the Development and Oviposition of Minute Pirate Bug, Orius strigicollis (Hemiptera:Anthocoridae)
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 29~33
Orius strgicollis Poppius is an endemic natural enemy of thrips recently found. To estimatethe optimum temperature for rearing in laboratory, development and oviposition of 0. strigicollis wasstudied at 15, 20, 25 and 30
C with a 16L : 8D photoperiod and 60-80% RH. Cotton aphid, Aphisgossipyii, was supplied as prey. Total number of eggs laid per female ranged from 39.1 to 68.5 with thehighest at 25
C. Adult longevity decreased as temperature increased, and the reverse was true for eggsurvivorship. Survivorship of larvae was 26.7,43.3, 76.7 and 46.7% at 15, 20, 25 and 30
C, respectively.Duration of eggs and larvae at tested temperatures ranged from 3.4 days to 18.9 days and from 9.4 days to45.6 days, respectively. A linear regression model could describe development of the predator as afunction of temperature (R2=0.949-0.997). The lower developmental threshold temperatures for egg,larvae, and total immature stage were estimated to be 12.4, 11.4, and 11.6"C, respectively.6"C, respectively.vely.
Rearing of a Green Lacewing, Chrysopa pallens Ramber, on Artificial Diets
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 35~39
An aphid predator, Chrysopa pallens Ramber, was reared on the artificial diets containing chicken egg yolk, yeast hydrolysate, brewer's yeast or Vanderzant's vitamin mixture, sucrose andlor bee honey, casein hydrolysate, and cholesterol. On these diets, 20.0 to 70.0% of the 1st instar larvae developed to apparently normal adults depending on diets used. The adults fed on one of these diets which was the most effective laid 230 fertile eggs for her 36 days of adult life span. The nonlipid part of the aphid, Myzus persicae Sulzer was thought to be nutritionally more important than the lipid part for the development of the green lacewing.
An Investigation of the Major Dipteran Pests on the Oyster Mushroom(Pleurotus ostreatus) in Korea
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 41~46
This study was carried out to investigate the seasonal and regional occurrence and development of major pest flies on the oyster mushroom. The survey was performed in the oyster mushroom houses located at 16 places, selected randomly throughout South Korea from July to August and from October to November in 1997. The six species of flies were found including three pest species from Sciaridae, Cecidomyiidae and Scatopsidae flies. The pattern of occurrence was somewhat dissimilar depending on the survey periods and regions. Among these, the most serious and abundant pest, Lycoriella mali (Diptera: Sciaridae), occurred year around at the regions surveyed. In this study, Coboldia fuscipes (Diptera: Scatopsidae) was confinned as a mushroom pest. Its larvae damaged the mycelium, and occurred usually in summer from July to August. The paedogenetic Mycophila sp. (Diptera: Cecidomyiidae) was found abundantly on the oyster mushroom bed, and caused a severe damage in fall from October to November.
Effects of Soil Organic Matter Content on Activity Change, Vertical Migration, and Persistence of Two Nematicides, Carbofuran and Ethoprophos, to Root-Knot Nematode, Meloidogyne incognita
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 47~52
Effects of organic matter content in soil on activity. vertical migration. and persistence of two nernaticides. carbofuran and ethoprophos. to root-knot nematode, Mrloitlog!~iei ~lcognita.w ere investigated. As the organic matter content increased. activity of the nernaticides tended to be reduced. Both nematicides exhibited control values of more than 80'k' to M. iix.o,yilit~iln 0-2 cm depth soil layer from the surface. regi~rdless of organic matter content in soil. In 2-4 cm depth soil layer. however. the control value of the neniaticides varied with the organic niatter content in soil. The control value of carbofuran in the soil layer was ranged from I0 to 30'2,. depending on the soil organic niatter content. In contrast. ethoprophos had no control value against M. i/ic.o,ytlitcr in the \oil layer, except that the nematicide had a control value of 30% when the organic matter content was 0.4%. Furthermore. ethoprophos had no effect on controlling M. i/ic.o,gtiitrr in soil layer of below 4cm. whereas control values of carbofuran were approximately from 5 to 20% in all test soils having different organic matter contents. These results indicate that carbofuran has more vertical migration effect than ethoprophos. Persistence of the two neniaticides was also decreased with increasing soil organic matter content. Half life of carbofuran was 2-3 weeks in soil containing 0.4% organic matter, whereas it was found to be I week in soils containning 0.8 ant1 1.6% of organic matter. On the other hand. activity of ethoprophos was reduced to half in 3-3 weeks and in 2-3 weeks in soil containing 0.4 and 0.8%, and 1.6%) of organic matter, respectively. However, no activity of the both nernaticides was found in soil containing 3.2% of organic matter.
Diagnostic Device Model for Insecticide susceptibilities of Beet Armyworm, Spodoptera exigua(Hubner)
Korean journal of applied entomology, volume 38, issue 1, 1999, Pages 53~57
Simple diagnostic kits for monitoring insecticide susceptibility of beet armyworm, Spodoptera exigua (Hiibner) were developed and applied to the field populations. The operation of the kits was based on the correlations between enzyme activities of esterase (EST) and acetylcholinesterase (AChE) and the insecticide susceptibilities. Four different kinds of diagnostic kits (ED, EM, AD, and AM) were designed and classified by diagnostic enzymes (E for esterases and A for acetylcholinesterase) and inhibitors (D for dichlorvos and M for monocrotophos). Diagnostic inhibitor concentrations were 1 mM for ED, 10 mM for EM, 100 mM for AD, and 100 mM for AM. Resistant larvae which were not inhibited by the diagnostic amounts of insecticides developed positive staining (red color), but susceptible~ s howed negative (no color). An insect was used for both EST and AChE diagnostic kits, but different in their samples: hemolymph for EST and the head for AChE. These four diagnostic kits were applied to 1 1 different populations which showed variations of insecticide susceptibilities. Four kits were different in the capability discriminating the insecticide susceptibilites according to insecticides: ED to bifenthrin, AD to methomyl, and ED and AM to chlorpyrifos-methyl. These diagnostic devices can be used for insecticide-resistance management program for this insect pest. It also provide a technical guide to insect pest management for farmers, directors, and researchers.