Attraction of Male Prionoxystus robiniae (Lepidoptera: Cossidae) to (Z, E)-3,5-Tetradecadienyl Acetate with Different Dispensers and Trap Designs1

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Abstract
Traps with wick dispensers treated with ( Z, E )-3,5-tetradecadienyl acetate initially caught significantly more adult male carpenterworms, Prionoxystus robiniae (Peck), than traps with septum dispensers. However, septum dispensers attracted males for at least 1.5-fold longer than did wick dispensers, or for the duration of the carpenterworm flight. With small moth populations, mean catches in traps with septa and wicks usually did not vary significantly. With large moth populations, however, septa baited with 350, 500, and 1,000 μg of attractant were more effective than wicks with comparable charges. Catches of male P. robiniae in paper-cylinder, metal-cylinder, or diamond-carton traps were similar. Paper-cylinder traps have the advantage of being inexpensive, easy to construct, convenient to store, and less sticky to handle.