Presentation Information
[PG-37]茨城県西部のナシ樹におけるクワコナカイガラムシの空間分布
◯Takashi Tsunoda1, Takashi Ogawara2, Ayano Sugiyama1 (1. Hort. Res. Inst., Ibaraki, 2. Ibaraki Agri. Center)
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