Occurrence of <i>Aromia bungii</i> in Osaka Prefecture

  • Yamamoto Yuichi
    Research Institute of Environment, Agriculture and Fisheries, Osaka Prefecture
  • Ishikawa Yosuke
    Kobe Plant Protection Station, The Ministry of Agriculture, Forestry and Fisheries of Japan

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  • 大阪府におけるクビアカツヤカミキリの発生状況について
  • オオサカフ ニ オケル クビアカツヤカミキリ ノ ハッセイ ジョウキョウ ニ ツイテ

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Abstract

<p>The red necked longhorn beetle (Aromia bungii), globally known as an insect pest damaging Rosaceae, was found in Osaka Prefecture in 2015. The occurrence pattern was examined of the species on their host trees (Rosaceae) in Osaka Prefecture between 2015 and 2017. The number of damaged trees increased over years and some trees seemed to have died due to the feeding of the long horn beetles.</p><p>More damages were observed in ornamental cherry trees with larger trunk (in perimeters at the root). When compared among similarly damaged trees of different size, larger trees were found less vulnerable and smaller ones tended to wither easily.</p><p>The highest damage position of each tree was measured, and in most trees, the positions were lower than 2 m above the ground. Also, they were higher in those trees with longer period of damage.</p>

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