Tests for cockroach control with UV radiation : 1. Entrance of cockroaches into the UV radiation field of germicidal lamps

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  • OKAMOTO Kiku
    Department of Medical Zoology, Fujita Gakuen Health University, School of Hygiene Sciences

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Other Title
  • 紫外線によるゴキブリ防除実験 : 1. 殺菌灯照射野へのゴキブリの侵入と紫外線の致死効果
  • 紫外線によるゴキブリ防除実験-1-殺菌灯照射野へのゴキブリの侵入と紫外線の致死効果〔英文〕
  • シガイセン ニ ヨル ゴキブリ ボウジョ ジッケン 1 サッキントウ ショウシ

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With behavioral auto-recording equipment the German cockroach, Blattella germanica L., and American cockroach, Periplaneta americana L., were demonstrated to actively enter into the radiation field of a 10W germicidal lamp. The daily mortality was examined for 4 days by releasing nymphs and adults into a constant temperature room with 2 or 4 germicidal lamps set near the floor. Foot traces printed on smoky papers under the lamp were also checked to confirm for their movement behavior. Adult American cockroaches tended to avoid intensive radiation from the germicidal lamp, whereas, nymphs and adults of the German cockroach and nymphs of the American cockroach were rather attracted to the radiation, resulting in high cumulative mortalities at the end of experiment. These results suggest a possibility of controlling cockroaches with the UV radiation emitted from germicidal lamps.

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