PEST ATTRACTION KEEPING AGENT, PEST ATTRACTING AGENT AND PEST ATTRACTING METHOD

摘要

PROBLEM TO BE SOLVED: To provide a pest attraction keeping agent, a pest attracting agent and a pest attracting method which can keep the effect of attracting pests for a long period of time.SOLUTION: A pest attraction keeping agent comprises a tetrasaccharide. A pest attracting agent comprises the pest attraction keeping agent. A pest attracting method uses the pest attraction keeping agent.