Korean journal of applied entomology (한국응용곤충학회지)

Korean Society of Applied Entomology (한국응용곤충학회)
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Monitoring of Mythimna separata Adults by Using a Remote-sensing Sex Pheromone Trap

원격감지 성페로몬트랩을 이용한 멸강나방(Mythimna separata) 성충 예찰

  • Jung, Jin Kyo (Crop Environment Research Division, National Institute of Crop Science, RDA) ;
  • Seo, Bo Yoon (Crop Protection Division, National Academy of Agricultural Science, RDA) ;
  • Cho, Jum Rae (Crop Protection Division, National Academy of Agricultural Science, RDA) ;
  • Kim, Yong (Digital solution Ltd.)
  • Received : 2013.09.02
  • Accepted : 2013.10.18
  • Published : 2013.12.01
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Abstract

We desinged and evaluated a remote-sensing sex pheromone trap for real-time monitoring of Mythimna separata (Lepidoptera: Noctuidae), a migratory insect in Korea. The system consisted of a modified cone-trap with a sex pheromone lure, a sensing module based on light interruption, a signal transmission module based on code division multiple access, a main electronic board for system control, a power supply based on a solar collector, a stainless steel-pole supporting the system, and a signal collection and display system based on an internet web page. The ratio (>92%) of the actual number of insects to the signal number in the remote-sensing trap was improved by sensing only within a limited period at night on the basis of the insect's circadian rhythm, control of signal sensitivity on the basis of sensing software programming, 1-h interval for signal transmission, and adjustment of the signal transmission program. The signal occurrence pattern in the remote-sensing trap was conclusively similar (correlation coefficient, >0.98) to the actual pattern of adult occurrence in the trap. The result indicated that the remote-sensing trap based on the attraction of the sex pheromone lure for M. separata has a promising potential for practical use. Occurrence of M. separata adults was observed several times in 2011 and 2012, and the peaks were sharp.

비래해충인 멸강나방 성충의 발생을 실시간으로 예찰하기 위하여, 성페로몬 트랩에 원격감지장치를 설치한 트랩의 운용 효율성을 검정하였다. 원격감지트랩은 콘트랩 기반에 곤충의 유입을 광차단으로 감지하는 센서부, 신호전송부, 태양열기반의 전력공급부, 트랩 지지대, 웹페이지 기반의 자료수집부로 구성되었다. 연구과정에서 멸강나방 수컷 성충의 밤 시간대 포획의 일일주기성을 이용한 신호감지 시간대 축소, 신호발생 프로그램 조절, 1시간 간격의 전송간격, 신호전송 프로그램 변형 등을 통해 포획 나방수와 감지신호 발생 수의 격차를 줄여 최종적으로 신호 정확도를 92% 이상으로 개선하였다. 또한 실제 멸강나방 성충의 발생양상과 원격감지트랩에서의 신호 발생양상의 상관계수가 0.98이상으로 원격감지트랩에서의 신호 발생이 멸강나방 발생 양상을 정확하게 반영하는 것으로 나타났다. 2011~2012년 멸강나방은 연중 여러 번 발생되는 것이 관찰되었는데, 모두 짧은 기간 동안 발생되어 가파른 피크가 특징이었다.

Keywords

References

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  2. Age influences the olfactory profiles of the migratory oriental armyworm mythimna separate at the molecular level vol.18, pp.1, 2017, https://doi.org/10.1186/s12864-016-3427-2
  3. Transcriptome analysis of molecular mechanisms responsible for light-stress response in Mythimna separata (Walker) vol.7, 2017, https://doi.org/10.1038/srep45188
  4. vol.48, pp.4, 2018, https://doi.org/10.1111/1748-5967.12310
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