Evaluating the efficacy of two insect detection methods with Riptortus pedestris (Hemiptera: Alydidae): portable harmonic radar system and fluorescent marking system

BACKGROUND Although portable harmonic radar system and fluorescent marking system are two widely used detection methods, their comparative effectiveness has not been studied. Therefore, we first tested the applicability of fluorescent marking system on Riptortus pedestris (Hemiptera: Alydidae). Then...

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Bibliographic Details
Published in:Pest management science 2019-01, Vol.75 (1), p.224-233
Main Authors: Kho, Jung‐Wook, Jung, Minhyung, Lee, Doo‐Hyung
Format: Article
Language:English
Subjects:
Alydidae
Animals
bean bug
detectability
dispersal
Fitness
Fluorescence
Hemiptera
Heteroptera
Insect Control - methods
Insects
Land mines
Marking systems
movement
Night
Organic chemistry
Physical fitness
Portability
Radar
Radar systems
Riptortus pedestris
tracking
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Summary:BACKGROUND Although portable harmonic radar system and fluorescent marking system are two widely used detection methods, their comparative effectiveness has not been studied. Therefore, we first tested the applicability of fluorescent marking system on Riptortus pedestris (Hemiptera: Alydidae). Then, we evaluated the efficacy of the two methods used either alone or combined in a grass field and bean field, varying with complexity, during day and night. RESULTS Fluorescent marking did not affect the behavior or fitness of Riptortus pedestris except for vertical walking, while allowing the detection from >25 m when paired with a handheld laser. Generally, the portable harmonic radar system and both methods combined were more successful in sample detection, although the fluorescent marking system in the bean field at night was as competitive as the two. Combining both methods made sample retrieval easier at night than the portable harmonic radar system. Nevertheless, the total detection time showed a large variance across the methods. CONCLUSION The portable harmonic radar system can be an effective detection method in either landscape during both day and night. Furthermore, the fluorescent marking system can be a reliable tool at night as well. Lastly, combining both methods can improve the night detection. © 2018 Society of Chemical Industry This article evaluated the efficacy of two widely used insect detection methods, portable harmonic radar system and fluorescent marking system, as well as their combined use in various settings.
ISSN:1526-498X
1526-4998
DOI:10.1002/ps.5106