| 摘要 |
PROBLEM TO BE SOLVED: To provide a tool to be used for preparing a feeding site for insects to which insects readily crowd without adverse effect on the environment. SOLUTION: A part of tree is cut out to give the main body 2 of a insect feeding site and a depression 2a is formed on the main body 2 of the insect- feeding site and a feed 3 for insect is placed in the depression 2a.
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