Abstract
Attraction of Phyllophaga elenas to vaned bucket traps baited with the recently identified female-produced pheromone, L-isoleucine methyl ester (LIME), is efficient. Pheromone-baited vaned buckets with water to retain insects were more effective than buckets without vanes or plastic containers with the sides cut out. Pheromone-baited vaned bucket traps from which water was omitted required the addition of a funnel below the vanes to retain insects. Normally used light traps were about 10 times more effective than pheromone-baited vane bucket traps in capturing P. elenans. Over 95% of P. elenans were captured between 6:00 and 9:00 PM. The male–female ratio was ∼3–4:1 in both light and pheromone traps, and the ratio was relatively unchanged throughout the capture period. Most P. elenans were captured in the treed areas surrounding sugarcane fields. More P. elenans were captured in treed borders than in grassy borders of sugarcane fields. The effective radius of the pheromone-baited vaned bucket trap is between 5 and 15 m.
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Oehlschlager, A.C., Leal, W.S., Gonzalez, L. et al. Trapping of Phyllophaga elenans with a Female-Produced Pheromone. J Chem Ecol 29, 27–36 (2003). https://doi.org/10.1023/A:1021968311786
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DOI: https://doi.org/10.1023/A:1021968311786