Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Insecticidal Susceptibility and Emergence of First Instar Larvae of Pseudaulacaspis pentagona

뽕나무깍지벌레 1세대 부화 약충의 발생과 살충제 감수성

  • Lee, Sun Young (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Lee, Seong Chan (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Yang, Chang Yeol (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Seo, Mi Hye (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Choi, Byeong Ryeol (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration) ;
  • Yoon, Jung Beom (Horticultural and Herbal Crop Environment Division, National Institute of Horticultural and Herbal Science, Rural Development Administration)
  • 이선영 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 이성찬 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 양창열 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 서미혜 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 최병렬 (농촌진흥청 국립원예특작과학원 원예특작환경과) ;
  • 윤정범 (농촌진흥청 국립원예특작과학원 원예특작환경과)
  • Received : 2019.11.13
  • Accepted : 2019.11.22
  • Published : 2019.12.01
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Abstract

The white peach scale (Pseudaulacaspis pentagona) is a significant pest of trees belonging to the Rosaceae family. We investigated the effect of ten insecticides on hatching rate of first instar white peach scale larvae (crawlers). The insecticides are Dinotefuran WG, Benfuracarb WG, Pyrifluquinazon WG, Clothianidin SG, Buprofezin WP, Buprofezin+Imidacloprid SC, Buprofezin+Etofenprox WG, Buprofezin+Thiacloprid SC, Benfuracarb+Buprofezin WG, Acetamiprid+Buprofezin EC. We observed that several crawlers emerged in early May, with the average number being 45.7. Hatching period was approximately 14 days, and the hatching success rate was approximately 77.7%. Overwintering females produced an average of 58.7 eggs. All insecticides achieved 100% mortality in crawlers. Our results suggest that these insecticides can effectively control white peach scale when used at the crawler stage.

뽕나무깍지벌레는 장미과에 속하는 과수의 주요 해충이다. 뽕나무깍지벌레의 산란 및 부화특성과 복숭아 및 매실의 깍지벌레 방제용으로 등록된 살충제 10종(디노테퓨란 입상수화제, 벤퓨라카브 입상수화제. 피리플루퀴나존 입상수화제, 클로티아니딘 입상수용제, 뷰프로페진 수화제, 뷰프로페진+이미다클로프리드 액상수화제, 뷰프로페진+에토펜프록스 입상수화제, 뷰프로페진+티아클로프리드 액상수화제, 벤퓨라카브+뷰프로페진 유제)의 살충제 감수성을 조사였다. 뽕나무깍지벌레의 1세대 부화시기와 부화율을 조사한 결과 5월 초에 가장 많이 발생해서 약 14일 정도 연속적으로 부화하였다. 부화율은 77.7% 였으며, 월동 암컷 성충 1개체의 평균 총 산란수는 58.7개, 평균 부화약충수는 45.7마리였다. 시험에 사용한 살충제 10종 모두에서 100%의 부화 약충 살충효과가 나타났으며 이는 약충 부화시기에 맞추어 약제를 살포하면 효과적으로 방제가 가능한 것을 시사한다.

Keywords

References

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