Development of a Light Trap with Light-Emitting Diodes (LEDs) for the Collection of <i>Culicoides</i> Biting Midges

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  • Yanase Tohru
    Subtropical Diseases Research Division, National Institute of Animal Health, NARO
  • Hayama Yoko
    Viral Diseases and Epidemiology Research Division, National Institute of Animal Health, NARO
  • Shirafuji Hiroaki
    Subtropical Diseases Research Division, National Institute of Animal Health, NARO
  • Yamakawa Makoto
    Subtropical Diseases Research Division, National Institute of Animal Health, NARO
  • Kato Tomoko
    Center for Animal Disease Control and Prevention, National Institute of Animal Health, NARO
  • Horiwaki Hirotaka
    Center for Animal Disease Control and Prevention, National Institute of Animal Health, NARO
  • Tsutsui Toshiyuki
    Viral Diseases and Epidemiology Research Division, National Institute of Animal Health, NARO
  • Terada Yutaka
    Viral Diseases and Epidemiology Research Division, National Institute of Animal Health, NARO

Bibliographic Information

Other Title
  • Light-emitting diode（LED）を利用した<i>Culicoides</i>属ヌカカ捕集用ライトトラップの開発
  • Light-emitting diode (LED)を利用したCulicoides属ヌカカ捕集用ライトトラップの開発
  • Light-emitting diode (LED)オ リヨウ シタ Culicoidesゾク ヌカカホシュウヨウ ライトトラップ ノ カイハツ
  • Development of a Light Trap with Light-Emitting Diodes (LEDs) for the Collection of Culicoides Biting Midges
  • Development of a light trap with light-emmiting diodes (LEDs) for the collection of Culicoides biting midges (Japanese)
  • Development of a light trap with light-emitting diodes (LEDs) for the collection of Culicoides biting midges (in Japanese)

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Abstract

The genus Culicoides is involved in the transmission of many pathogens of veterinary importance. To develop suction light traps for improved sampling of Culicoides biting midges, we tested light-emitting diodes (LEDs) with various wavelengths. We used seven types of LEDs [ultra-violet (UV) (365 nm), UV (375 nm), blue (470 nm), greenish-blue (500 nm), green (525 nm), yellow (575 nm) and red (625 nm)] to compare the effectiveness of midge collection at a cattle shed. We found that biting midges were significantly more attracted to the UV 375 nm LED compared to the other types of LEDs. UV 365 nm was also found to be effective for midge collection. Light traps with UV 365 nm LED were also set at 10 cattle farms and one poultry farm scattered in five prefectures in Japan (Aomori, Iwate, Shimane, Kagoshima and Okinawa). The collected midges were sorted into 27 species including important arboviral and protozoan vectors such as Culicoides oxystoma, C. brevitarsis and C. arakawae. These results suggest that the use of near-UV LED can be adopted for trapping Culicoides biting midges.

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