| 摘要 |
Disclosed is a new attractant composition for yellowjacket wasps, which contains certain esters of butyric acid known to be attractive to yellowjackets, such as heptyl butyrate, octyl butyrate, or other esters of butyric acid, in combination with certain plant volatiles (kairomones), including trans-2-hexenol and methyl salicylate, said kairomones being used in combination with said esters of butyric acid to achieve an enhanced or synergistic attractiveness to yellowjackets. The new attractant composition is significantly more attractive to yellowjackets than the known attractant esters heptyl butyrate and octyl butyrate when used either singly or together.
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