Occurrence of Larinus (Phyllonomeus) latissimus Roelofs, 1873 (Coleoptera: Curculionidae: Lixinae), a potential pest for Cirsium brevicaule from the Yaeyama Islands, the Ryukyu Islands, southwestern Japan

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Other Title
  • シマアザミの潜在害虫ゴボウゾウムシ (コウチュウ目ゾウムシ科カツオゾウムシ亜科) の八重山諸島からの初記録

Abstract

Larinus (Phyllonomeus) latissimus Roelofs, 1873 (Lixinae: Cleonini) is associated with thistles (Cirsium spp.; Asteraceae) and is distributed in Japan, Korea, northern China, Taiwan and the Russian Far East. In Japan, the weevil is known to occur on Honshu, Tobishima Is., Sado Is., Awajishima Is., Shikoku, Kyushu and the Ryukyus (Okinoerabu-jima Is., Okinawa-jima Is., Kume-jima Is. and Miyako-jima Is.). Here, the authors record this species from Ishigaki-jima Is., Hateruma-jima Is. and Yonaguni-jima Is. of the Yaeyama Islands, the Ryukyu Islands, southwestern Japan, for the first time. Adult weevils were collected on Cirsium brevicaule (Shimaazami in Japanese) This plant has recently been cultivated in the Ryukyus due to the possession of suppression efficacy of fatty liver and has been newly added to the list of host plants of this weevil. Since the weevil could potentially become a pest for the plants, attention should be given to its occurrence in cultivated fields.

Journal

  • Fauna Ryukyuana

    Fauna Ryukyuana 69 7-10, 2024-05-04

    琉球大学資料館 (風樹館)

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