Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Ovipositional Charcteristics of Hemiptarsenus zilahisebessi(Hymenoptera : Eulophidae), Ectoparasitoid of Liriomyza trifolii (Diptera: Agromyzidae)

아메리카잎굴파리 외부기생봉 Hemiptarsenus zilahisebessi의 산란특성

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

Longevities of Hemiptarsenus zilahisebessi, ectoparasitoid of Liriomyza trifolii (Burgess) larva. were 23.0, 16.9. and 12.7 days at 20, 25, and 30$^{\circ}C$, respectively. The adults copulated and laid eggs as soon as they emerged at 20$^{\circ}C$ and 30$^{\circ}C$. The total number of eggs laid and the daily oviposition rate were 82.3/3.6, 90.3/6.0, and 95.5/7.8 at the three different constant temperatures. The sex ratios were 0.37,0.43. and 0.43 at 20,25, and 30$^{\circ}C$. respectively. Female oviposited 1.4 eggs near parasitized host larva and the average distance between eggs of H. zilahisebessi andhost larva wre 0.92mm. The instrinsic increase rates(r$\sub$m/) of H. zilahisebessi were 0.12, 0.19 and 0.27, and net reproduction were 31.0, 40.2, and 40.8 at 20,25, and 30$^{\circ}C$, respectively. Female of H. zilahisebessi oviposited mainly on the 3rd larva and sex ratio was 0.42, wheras the ratio was declined to 0.1 on the 1st larva.

아메리카잎굴파리 외부기생봉인 Hemiptarsenus zilahisebessi의 수명은 20, 25, 3$0^{\circ}C$에서 각각 23.0일, 16.9일과 12.7일 이었으며 특히, $25^{\circ}C$와 3$0^{\circ}C$에서는 교미후 바로 산란이 이루어졌다. 암컷의 산란수와 일평균산란수는 20, 25, 3$0^{\circ}C$에서 각각 82.3개/3.6개, 90.3개/6.0개, 95.5개/7.8개로 온도가 높아질수록 많아지는 경향이었다. H. zilahisebessi이 내적자연증가율과 순증식율은 20, 25, 3$0^{\circ}C$에서 각각 0.1160/31.0, 0.1852/40.2. 0.2659/40.8이었다. 암컷은 주로 3령유충에 산란하였으며 기주령기에 따른 성비는 1령에서 0.1, 3령에서 0.42로 기주유충이 클수록 암컷의 많아졌다.

Keywords

References

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