The aligning effect of light flicker on phototaxis of the ambrosia beetle Trypodendron lineatum (Olivier)

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Abstract
A light which was flickered at approximately 5 cycles per second provoked a more direct guided response in the ambrosia beetle Trypodendron lineatum (Olivier) than did a steady source of the same intensity. Among the principal implications are those which concern the use of the beetles in bioassay of chemical attractants in which light is used as an opposing stimulus. The light intensity should be at least stabilized, and preferably flickered at an appropriate frequency.

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