Parasitism of Liriomyza trifolii (Diptera: Agromyzidae) by Hemiptarsenus zilahisebessi(Hymenoptera: Eulophidae) on Tomato

토마토에서 Hemiptarsenus zilahisebessi에 의한 아메리카잎굴파리 기생율

  • 문형철 (전북농업기술원 식물환경연구과) ;
  • 최정식 (전북농업기술원 식물환경연구과) ;
  • 황창연 (전북대학교 농업과학기술연구소)
  • Published : 2002.03.01


This study was conducted to investigate percentage of parasitism and control effect of Liriomyza trifolii by Hemiptarsenus zilahisebessi on tomato. Percentages of parasitism on L. trifolii larva by ectopatasitoids war e 26∼45% Among them the parasitism by H. zilahisebessi was highest as 47∼75% in tomato. The parasitoids preferred 1 st to 3rd instar of host larvae. In laboratory test, the parasitoids showed high parasitism on 3rd instar larvae of host by 89.8∼93.1% when the female parasitoids were introduced by the ratios of 1 : 10, 1 : 20, and 1 : 30. In field test, 3 or 5 female parasitoids were introduced per plant. In the case, the parasitism increased to 80% 4 weeks after introduction of the parasitoids. This increased parasitism was resulted from density reduction of the host larvae There were no significant differences in parasitism, density of alive host, and percentage of damaged leaf between inoculation density.


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