ナシ樹上におけるカブリダニ(Acari: Phytoseiidae)の生息場所に関する新しい知見およびトラップ(Cotton trap)によるカブリダニ捕獲調査

抄録

Many predacious phytoseiid mites were found in silk nests of other organisms on Japanese pear trees. A simple physical trap (Cotton trap), modeling a spider's nest, was devised. This trap trapped many phytoseiids when it used on the pear trees.