땅콩 급여에 의한 광대노린재(Poecilocoris lewisi)의 인공 사육 : 발육 특성, 기주 및 산란선호성

Artificial Rearing of Red-striped Golden Stink Bug, Poecilocoris lewisi(Hemiptera : Scutelleridae) on Peanut : Developmental Characteristics, Host Plant and Oviposition Preference

  • 김남정 (농촌진흥청 농업과학기술원 잠사곤충부) ;
  • 설광열 (농촌진흥청 농업과학기술원 잠사곤충부)
  • 발행 : 2003.06.01

초록

광대노련재의 계대사육법을 확립하기 위해 $25\pm1^{\circ}C$, 60$\pm$5% R.H., 16L.8D광주기조건 의 실내 사육환경하에서 대체먹이인 생땅콩을 급여하여 사육하면서 발육 특성과 기주 및 산란선 호성을 조사하였다. 광대노련재의 1세대 소요일수는 평균 48일이었다. 알은 유백색의 구형이고 1 난괴당 산란수는 14개가 대부분이었다. 알.약충의 발육기간을 조사한 결과 알기간은 8.2$\pm$0.4일 이었고 각 령별 약충기간은 1령 5.4$\pm$0.2일,2령 8.4$\pm$0.5일, 3령 6.4$\pm$0.4일,4령 7.4$\pm$0.3일,5령 12.6$\pm$0.8일이였다. 성충의 생존일수는 수컷이 평균 30.8일, 암컷은 35.4일 정도였다. 성충화율은 5 57.1%였는데 암수비융은 47: 53으로 수컷의 비율이 약간 높았다. 산란전기간은 평균 22.5일이었 고 펑균산란회수는 4.4회였다. 산란선호성은 기주식물이 있을 경우에는 기주에 산란하지만 기주식 물을 제외시킨 경우에는 아크릴 사육상자, 철망보다는 인조잎에 더 많이 산란하였다. 광대노린재 성충의 기주선호성을 조사한 결과 대상식물 18종 중 황벽나무, 산초나무, 산수유, 충층나무 등의 줄기 및 과실을 가장 잘 흡즙하는 것으로 나타났다.

To establish the successive rearing of red-striped golden stink bug, Poecilocoris lewisi Distant, developmental characteristics, host plant and oviposition preference were investigated. Raw peanuts were supplied to the insect as a substitute food at 25$\pm$$1^{\circ}C$, 60$\pm$5% R.H. and under 16Lㆍ8D photo regimen. Total developmental period was 48 days: 8.2$\pm$0.4, 5.4$\pm$0.2, 8. $\pm$0.5, 6.4$\pm$0.4, 7.4$\pm$0.3 and 12.6$\pm$0.8 days for egg, first though fifth instar, respectively. The instar survival rate was 57.1% and the sex ratio was estimated to be 53 : 47 (male : female). Adult longevity was on the average 30.8 in male and 35.4 days in female, respectively. Egg of P. lewisi was globular ($\phi$1.8-1.9mm) with milky white in color The number of eggs oviposited per clutch was mostly 14. Pre-oviposition period was 25.8 days and mean frequencies of oviposition were 4.4. Female preferred to oviposit on the host plant when available, but oviposited on the artificial leaf successively when the host is not around. On the other hand P. lewisi preferred to suck the nectar of stem or fruit of Phellodendron amurense Ruprecht, Zanthoxylum schinifolium Siebold et zuccarini, Cornus officinalis Siebold et zuccarini and Cornus controversa Hemsley among the 18 plant species tested.

키워드

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