Sex Pheromone of the Winter Moth, a Geometrid with Unusually Low Temperature Precopulatory Responses

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Science  13 Aug 1982:
Vol. 217, Issue 4560, pp. 657-659
DOI: 10.1126/science.217.4560.657


The sex pheromone for the winter moth, Operophtera brumata (L.), has been identified as the novel compound (Z,Z,Z)-1,3,6,9-nonadecatetraene. The male moths respond to the pheromone at low temperatures (4° to 15°C) and exhibit an upper response limit that coincides with the lower response limit for other reported moth sex pheromone systems. The pheromone attracted two other geometrid species, O. bruceata (Bruce spanworm) and O. occidentalis.