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This paper reports the attractant (kairomonal) property of some compounds isolated from the bark of Sal (Shorea robusta) against its dreaded pest Sal borer, Hoplocerambyx spinicornis. The bark extracts and other various compounds were prepared by the standard procedure and subjected to bioassay. Phase-wise bioassays of the bark extract and the other isolated compounds were carried out against the beetles in laboratory conditions. Behaviour exhibited by the beetles, viz., orientations, walking movement, antennal activity, visits to the test compound treated surface, biting and feeding attempts to the particular compound, and the number of beetles attracted, was recorded. They showed positive behaviour with regards to these parameters against the bark extract as well as the other isolated compounds. Chemical analysis of the compounds exhibiting the kairomonal property was also performed.