Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Arboreal Host Preferences of Ricania spp.( Hemiptera: Ricaniidae) According to its Developmental Stages

갈색날개매미충 발육단계별 선호 목본 기주의 선별

  • Dagyeong Jeong (Crop Protection Division, Department of Agro-food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Hong Hyun Park (Crop Protection Division, Department of Agro-food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration) ;
  • Chang-Gyu Park (Department of Agriculture and Fisheries Convergence, Korea National University of Agriculture and Fisheries) ;
  • Sunghoon Baek (Department of Agriculture and Fisheries Convergence, Korea National University of Agriculture and Fisheries)
  • 정다경 (농촌진흥청 국립농업과학원 농산물안전성부 작물보호과) ;
  • 박홍현 (농촌진흥청 국립농업과학원 농산물안전성부 작물보호과) ;
  • 박창규 (한국농수산대학교 농수산융합학부) ;
  • 백성훈 (한국농수산대학교 농수산융합학부)
  • Received : 2023.05.24
  • Accepted : 2023.06.30
  • Published : 2023.09.01
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Abstract

The management of Ricania spp. is difficult because this pest has a wide host range and diverse habitats such as agricultural, suburban, urban, and forested areas. However, the researches for Ricania spp. management have been focused on only agricultural crops. Thus, it is required to determine the arboreal host preference of Ricania spp. at the surrounding areas of the farms to increase its management efficiency. To determine its host preference at arboreal plants, we reviewed the previous studies and investigated the densities of Ricania spp. at woody plants with high ecological importance but insufficiently studied. This study identified 120 species in 53 families of arboreal hosts of Ricania spp. Only Cornus officinalis and Styrax japonicus were preferred by all developmental stages of Ricania spp. The host preference of Ricania spp. was changed according to its developmental stages. This phenomenon would be caused by that each developmental stage of Ricania spp. would prefer different parts of woody plant, and require different nutrients for its survivor and reproduction. These results of this study could be helpful to make a plan of comprehensive management strategies for Ricania spp.

대표적인 돌발 해충인 갈색날개매미충은 기주 범위가 넓고, 농경지만이 아니라 인근 야산, 산림 지역에도 분포하여 개체군 관리가 어려운 해충 중 하나이다. 따라서, 갈색날개매미충의 방제 효율을 증대시키기 위해서 농경지 작물 외에도 인근 산림에 분포하고 있는 목본식물에 대한 갈색날개매미충 발육단계별 선호도 조사가 필요하다. 이에, 본 연구에서는 과수원 주변과 조경수, 산림의 주요 목본 식물들을 대상으로 갈색날개매미충 발육단계별 선호도를 현장에서 조사하고, 선행 연구결과들과 비교하여 선호도가 높은 식물들을 선정하였다. 현장 조사와 선행 연구결과를 통하여 갈색날개매미충의 잠재적 목본 기주식물을 정리한 결과, 총 53과 120종이 확인되었고, 갈색날개매미충의 전 발육단계에 걸쳐 선호도가 높았던 기주는 산수유, 때죽나무에 불과하였으며, 발육단계별로 선호하는 목본 식물이 달라졌다. 발육단계에 따라서 선호 기주가 변동되는 이유는 발육단계별로 선호하는 부위가 다르고, 생존에 필요한 물질에 따라서 기주가 선정되기 때문인 것으로 추정된다. 본 연구결과는 농경지 경제작물뿐만 아니라, 농경지 주변 및 산림내 갈색날개매미충의 종합적인 방제 대책 수립에 도움이 될 것으로 예상한다.

Keywords

Acknowledgement

본 연구는 농촌진흥청의 과원에서 갈색날개매미충의 피해 해석 및 광역밀도 억제 전략 개발(과제번호: RS-2021-RD009013)과제의 과제의 지원에 의해 수행되었으며 이에 감사드립니다.

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