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Management of flying insects on expressways through an academic-industrial collaboration: evaluation of the effect of light wavelengths and meteorological factors on insect attraction

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Title: Management of flying insects on expressways through an academic-industrial collaboration: evaluation of the effect of light wavelengths and meteorological factors on insect attraction
Authors: Komatsu, Masahiro Browse this author
Kurihara, Keigo Browse this author
Saito, Susumu Browse this author
Domae, Mana Browse this author
Masuya, Naoki Browse this author
Shimura, Yuta Browse this author
Kajiyama, Shunichiro Browse this author
Kanda, Yuna Browse this author
Sugizaki, Kouki Browse this author
Ebina, Kouji Browse this author
Ikeda, Osamu Browse this author
Moriwaki, Yudai Browse this author
Atsumi, Naohiro Browse this author
Abe, Katsuyoshi Browse this author
Maruyama, Tadashi Browse this author
Watanabe, Satoshi Browse this author
Nishino, Hiroshi Browse this author →KAKEN DB
Keywords: Gypsy moth
Oak silkmoth
Fluorescent light
Light emitting diode (LED)
Light trap
Meteorological factors
Subarctic region
Issue Date: 26-Dec-2020
Publisher: BioMed Central
Journal Title: Zoological Letters
Volume: 6
Issue: 1
Start Page: 15
Publisher DOI: 10.1186/s40851-020-00163-7
Abstract: Insect outbreaks often occur in the absence of natural enemies and in the presence of excess suitable host materials. Outbreaks of gypsy moths are especially problematic in remote areas located in high-latitude regions in Japan because the majority of adults emerge during the short summer season and initiate synchronous mass flight toward artificial lights. The aggregation of moths in public facilities not only is an annoyance to visitors but also permits the establishment of new populations the following year. The aim of this study was to establish a method to reduce the numbers of large moths that are attracted to lights in the rest areas of expressways in Hokkaido based on the results of research on their behavioral ecology and physiology. First, we conducted extensive insect surveys using light traps that emit light at different wavelengths; the traps were set along the expressways in the summers of 2014-2018. The insects attracted to the light were roughly classified into those showing a preference for broadband light wavelengths (from UV-A to green) and short light wavelengths (from UV-A to blue). The former included aquatic insects and winged ants, and the latter included moths and beetles. Next, we analyzed correlations between moth emergence and daily meteorological data. When gypsy moths were abundant during an outbreak, the daily catch of gypsy moths was positively correlated with the highest ambient temperature on the catch day but not with the visibility range, wind speed, or moon phase. In contrast, the daily catch of oak silkmoths did not correlate with any of these parameters. Our results provide guidance for the management of forest insects inhabiting cool-temperate to subarctic regions based on light wavelengths with reference to weather variables.
Type: article
Appears in Collections:電子科学研究所 (Research Institute for Electronic Science) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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