Estimating Flight Distance of Platypus koryoensis (Coleoptera

Curculionidae) by Mark-Release-Recapture and Its Validation by Field Observation

Cha Young Lee, Youngwoo Nam, Yeon Ok Seo, Yeon Jae Bae, Won Il Choi

Research output: Contribution to journalArticle

Abstract

Korean oak wilt (KOW) is vectored by the beetle Platypus koryoensis (Murayama) (Coleoptera: Curculionidae), a native species of Korea, whose dispersal distance is a key factor determining the spread of damage by KOW. To estimate dispersal distance at stand level, we conducted a mark-release-recapture (MRR) experiment and validated its results using an independent data. Sticky traps were attached to the trunks of oak trees up to 48.8 m from the release point. Beetles were marked with different three fluorescent powders by date and released, and the number of recaptured beetles was counted 90 min after release. To validate the flight distance, annual mean dispersal distance of P. koryoensis population was analyzed using GPS coordinates of oak trees with the symptom of KOW recorded in the field from 2012 to 2014 in independent oak stands that have been damaged by KOW since 2012. The beetles were recaptured only on the day they were released, suggesting that the beetles only make one flight. The percentage of recaptured beetles was 6.0 ± 1.6%. The mean dispersal distance was 18.0 ± 1.3 m, and more than 85% of recaptured beetles were caught within 25 m. Annual movement distances in infested stands were 24.1 and 19.9 m from 2012 to 2013 and 2013 to 2014, respectively, similar to the dispersal distance obtained from our MRR experiment. Our results showed that the dispersal distance of P. koryoensis estimated by MRR is a useful process for predicting the spread of areas damaged by KOW.

Original languageEnglish
Pages (from-to)720-728
Number of pages9
JournalJournal of economic entomology
Volume112
Issue number2
DOIs
Publication statusPublished - 2019 Mar 21

Fingerprint

Platypus
Weevils
mark-recapture studies
Beetles
Curculionidae
Quercus
flight
wilt
beetle
Observation
Coleoptera
sticky traps
Platypus koryoensis
oak
Korea
Powders
native species
signs and symptoms (plants)
tree trunk
Korean Peninsula

Keywords

  • dispersal
  • flight distance
  • Korean oak wilt (KOW)
  • mark–release–recapture
  • Platypus koryoensis

ASJC Scopus subject areas

  • Ecology
  • Insect Science

Cite this

Estimating Flight Distance of Platypus koryoensis (Coleoptera : Curculionidae) by Mark-Release-Recapture and Its Validation by Field Observation. / Lee, Cha Young; Nam, Youngwoo; Seo, Yeon Ok; Bae, Yeon Jae; Choi, Won Il.

In: Journal of economic entomology, Vol. 112, No. 2, 21.03.2019, p. 720-728.

Research output: Contribution to journalArticle

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abstract = "Korean oak wilt (KOW) is vectored by the beetle Platypus koryoensis (Murayama) (Coleoptera: Curculionidae), a native species of Korea, whose dispersal distance is a key factor determining the spread of damage by KOW. To estimate dispersal distance at stand level, we conducted a mark-release-recapture (MRR) experiment and validated its results using an independent data. Sticky traps were attached to the trunks of oak trees up to 48.8 m from the release point. Beetles were marked with different three fluorescent powders by date and released, and the number of recaptured beetles was counted 90 min after release. To validate the flight distance, annual mean dispersal distance of P. koryoensis population was analyzed using GPS coordinates of oak trees with the symptom of KOW recorded in the field from 2012 to 2014 in independent oak stands that have been damaged by KOW since 2012. The beetles were recaptured only on the day they were released, suggesting that the beetles only make one flight. The percentage of recaptured beetles was 6.0 ± 1.6{\%}. The mean dispersal distance was 18.0 ± 1.3 m, and more than 85{\%} of recaptured beetles were caught within 25 m. Annual movement distances in infested stands were 24.1 and 19.9 m from 2012 to 2013 and 2013 to 2014, respectively, similar to the dispersal distance obtained from our MRR experiment. Our results showed that the dispersal distance of P. koryoensis estimated by MRR is a useful process for predicting the spread of areas damaged by KOW.",
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