Production of Aggregating Pheromones in Re-Emerged Parent Females of the Southern Pine Beetle

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Abstract
Investigations of bark beetle pheromones have been concerned largely with the occurrence of these chemicals in virgin beetles. In many Scolytidae, the parent adults re-emerge from an initially attacked host tree after they have completed egg-gallery construction and oviposition in the tree. These parent adults may attack another tree and establish another brood. Very little is known about pheromone production and field attractiveness of such beetles.

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