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1 October 2014 Effects of Pheromone and Plant Volatile Release Rates and Ratios on Trapping Anoplophora glabripennis (Coleoptera: Cerambycidae) in China
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Abstract
Native to China and Korea, the Asian longhorned beetle, Anoplophora glabripennis (Motschulsky) (Coleoptera: Cerambycidae), is a polyphagous wood-boring pest for which a trapping system would greatly benefit eradication and management programs in both the introduced and native ranges. Over two field seasons, a total of 160 flight intercept panel traps were deployed in Harbin, China, which trapped a total of 65 beetles. In 2012, traps using lures with a 1:1 ratio of the male-produced pheromone components (4-(n-heptyloxy)butanal and 4-(n-heptyloxy)butan-1-ol) designed to release at a rate of 1 or 4 milligram per day per component in conjunction with the plant volatiles (-)-linalool, trans-caryophyllene, and (Z)-3-hexen-1-ol caught significantly more A. glabripennis females than other pheromone release rates, other pheromone ratios, plant volatiles only, and no lure controls. Males were caught primarily in traps baited with plant volatiles only. In 2013, 10 × higher release rates of these plant volatiles were tested, and linalool oxide was evaluated as a fourth plant volatile in combination with a 1:1 ratio of the male-produced pheromone components emitted at a rate of 2 milligram per day per component. Significantly more females were trapped using the pheromone with the 10-fold higher three or four plant volatile release rates compared with the plant volatiles only, low four plant volatile pheromone, and control. Our findings show that the male-produced pheromone in combination with plant volatiles can be used to detect A. glabripennis. Results also indicate that emitters should be monitored during the field season, as release rates fluctuate with environmental conditions and can be strongly influenced by formulation additives.
© 2014 Entomological Society of America
P. S. Meng, R. T. Trotter, M. A. Keena, T. C. Baker, S. Yan, E. G. Schwartzberg and K. Hoover "Effects of Pheromone and Plant Volatile Release Rates and Ratios on Trapping Anoplophora glabripennis (Coleoptera: Cerambycidae) in China," Environmental Entomology 43(5), (1 October 2014). https://doi.org/10.1603/EN14129
Received: 9 May 2014; Accepted: 12 August 2014; Published: 1 October 2014
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