Korean Journal of Environmental Biology (환경생물)

Korean Society of Environmental Biology (한국환경생물학회)
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Biological characteristics of Phanuromyia ricaniae(Hemiptera: Platygastroidea), an egg parasitoid of Ricania sublimata (Hemiptera: Ricaniidae)

갈색날개매미충 알 기생봉인 날개매미충알벌(Phanuromyia ricaniae)의 생물 특성

  • Jeon, Sung-Wook (Crop Protection Division, National Institiute of Agricultural Sciences, RDA) ;
  • Kim, Kwang-Ho (Crop Protection Division, National Institiute of Agricultural Sciences, RDA) ;
  • Lee, Gwan-Seok (Crop Protection Division, National Institiute of Agricultural Sciences, RDA) ;
  • Seo, Bo Yoon (Crop Protection Division, National Institiute of Agricultural Sciences, RDA) ;
  • Kim, Ji Eun (Crop Protection Division, National Institiute of Agricultural Sciences, RDA) ;
  • Kang, Wee Soo (Crop Protection Division, National Institiute of Agricultural Sciences, RDA) ;
  • Cho, Jum Rae (Crop Protection Division, National Institiute of Agricultural Sciences, RDA)
  • 전성욱 (농촌진흥청 국립농업과학원 작물보호과) ;
  • 김광호 (농촌진흥청 국립농업과학원 작물보호과) ;
  • 이관석 (농촌진흥청 국립농업과학원 작물보호과) ;
  • 서보윤 (농촌진흥청 국립농업과학원 작물보호과) ;
  • 김지은 (농촌진흥청 국립농업과학원 작물보호과) ;
  • 강위수 (농촌진흥청 국립농업과학원 작물보호과) ;
  • 조점래 (농촌진흥청 국립농업과학원 작물보호과)
  • Received : 2020.10.23
  • Accepted : 2020.11.24
  • Published : 2020.12.31
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Abstract

This study was conducted to investigate the biological characteristics of Phanuromyia ricaniae (Hemiptera: Platygastroidea), an egg parasitoid of Ricania sp. (Hemiptera: Ricaniidae) as a biological control agent to control Ricania sublimata. The developmental period of P. ricaniae was 3.8 days for eggs, 11.1 days for larvae, and 16.3 days for pupae at 25℃, and 3.4 days for eggs, 7.8 days for larvae, and 15.3 days for pupae at 30℃. Except for the larval stage, the developmental periods were not significantly different, but the egg-to-pupa period at 30℃ was significantly shorter than that at 25℃. P. ricaniae emerged at the photophase in 24 hours, but not at the scotophase. A higher emergence rate (34.5%) was seen from 10:00 to 12:00 after the lights were turned. The female-to-male ratio of P. ricaniae was 3:1. The longevity of P. ricaniae adults was 49.0 days for females and 44.0 days for males at 20℃, 27.6 days for females and 28.4 days for males at 25℃, and 18 days for females and 14.0 days for males at 30℃. Its longevity at a low temperature (20℃) was longer than that at higher temperatures (25 and 30℃). Adult females laid eggs during all days except from 00:00-02:00 (scotophase time). The ovipositional distribution rate was 26.1% from 20:00 to 22:00, which was the peak, and the next peak was 15.7% at 10:00 to 12:00. P. ricaniae showed arrhenotokous parthenogenesis in which unfertilized eggs develop into males. Therefore, the results suggest that P. ricaniae may be a biological control agent for R. sublimata.

본 연구는 갈색날개매미충을 생물적 방제인자로 활용하기 위해 알 기생 천적인 날개매미충알벌의 발육 특성을 조사하였다. 날개매미충알벌의 온도별 발육기간은 25℃에서 알은 3.8일, 유충 11.1일 및 번데기 16.3일, 30℃에서는 알 3.4일, 유충 7.8일 및 번데기 15.3일이었다. 유충 기간을 제외하고 온도에 따라 유의미한 발육 기간의 차이를 보이지 않았다. 다만 알~번데기까지 전 발육기간은 25℃에 비해 30℃에서 발육기간이 짧아 온도에 따라 유의미한 차이를 보였다. 하루 중 날개매미충알벌의 우화는 불이 켜져 있는 명 기간에 모든 개체가 성충으로 우화하였다. 우화율이 가장 높은 시간대는 10:00~12:00 사이였고(34.5%), 그 다음으로 12:00~14:00 사이였다(22.99%). 암 기간(00:00~08:00)에서는 성충으로 우화하는 개체는 관찰되지 않았다. 날개매미충알벌 성충의 성비는 암컷이 75.8%, 수컷이 24.2%로 암수 비율은 약 3 : 1이었다. 성충의 수명은 20℃에서 암컷과 수컷이 각각 49.0일, 44.0일, 25℃에서 27.6일, 28.4일 및 30℃에서 18.0일, 14.0일로 조사한 온도 중 암수 모두 온도가 낮은 20℃에서 수명이 길었고, 온도가 높을수록 수명은 짧아지는 경향을 보였다. 암컷 성충은 00:00~02:00 사이를 제외하고 모든 시간대에 걸쳐 산란하였고, 산란수가 가장 많은 시간대는 20:00~22:00 사이로 26.1%를 차지하였고, 그 다음으로는 10:00~12:00 사이에 15.7%로 조사되었다. 날개매미충알벌은 수컷을 생산하는 단위생식을 하는 것으로 조사되었다. 따라서 이상의 결과로 날개매미충알벌은 갈색날개매미충을 방제하는 중요한 생물적 방제 인자로 활용할 수 있을 것으로 생각된다.

Keywords

Acknowledgement

본 연구는 농촌진흥청 공동연구사업(과제번호: PJ013362)으로 지원되었습니다.

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