About OKADA MITSUHIRO
About SHIMIZU KAYO
About KOYAMA YASUHIRO
About 長野県
About URANO TADAHISA
About 長野県林業総合センター研究報告
About forest
About scale insect
About broad-leaved tree
About forest damage
About insect pest control
About parasitic bee and wasp
About natural enemy
About habitat density
About insecticide
About Nagano prefecture
About Comstockaspis macroporana
About population
About trunk injection
About Forest biology in general
About Plant damage caused by insects,mites
About Control of plant diseases and insect damages in general
About カツラマルカイガラムシ
About 広葉樹
About 被害
About 拡大
About 要因
About 適応