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Macrolide aggregation pheromones in oryzaephilus surinamensis and oryzaephilus mercator coleoptera cucujidae



Macrolide aggregation pheromones in oryzaephilus surinamensis and oryzaephilus mercator coleoptera cucujidae



Journal of Agricultural & Food Chemistry 33(5): 848-852



Oryzaephilus surinamensis (L.), the sawtoothed grain beetle, and O. mercator (Fauvel), the merchant grain beetle, utilize male-produced, marcolide aggregation pheromones. These compounds were isolated from the Porapak Q-captured volatiles obtained from adult beetles feeding on rolled oats. The pheromones were identified as (Z)-3-dodecen-11-olide (I) and (Z,Z)-3,6-dodecadien-11-olide (II) for O. mercator and (Z,Z)-3,6-dodecadien-11-olide (II), (Z,Z)-3,6-dodecadienolide (III), and (Z,Z)-5,8-tetradecadien-13-olide (IV) for O. surinamensis. Structures of isolated I, II, III, and IV were confirmed by comparison with synthesized materials. Laboratory bioassays with O. surinamensis indicated that IV synergized the response to a mixture of II and III, while I and II were not synergistic for O. mercator.

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Accession: 005841993

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