Nonsaturating Traps and Long-Life Attractant Lures for Monitoring Spruce Budworm Males12

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Abstract
The trapping efficacy of various nonsaturating, pheromone-baited traps was contrasted with standard sticky traps for males of Choristoneura fumiferana (Clemens). Several nonsaturating designs that employed a vaporous insecticide (dichlorvos) were comparable in terms of trap catch to fresh sticky traps. Such nonsaturating traps may prove useful in programs to monitor spruce budworm population dynamics. Commercial formulations of (E) and (Z)-11-tetradecenal (ca. 97:3) in a plastic laminate or hollow fibers proved effective over several weeks in luring males.