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Stress response to acoustic stimuli in an aphid: A behavioral bioassay model
- Stress response to acoustic stimuli in an aphid: A behavioral bioassay model
- Lee Y.; Kim H.; Kang T.-J.; Jang Y.
- Ewha Authors
- SCOPUS Author ID
- Issue Date
- Journal Title
- Entomological Research
- vol. 42, no. 6, pp. 320 - 329
- SCIE; SCOPUS
- The green peach aphid, Myzus persicae (Sulzer), feeds consistently and regularly throughout all stages of nymphs and adult. That is, honey dew production, which indicates a state of feeding, occurs at regular intervals within a given stage, and moving, which interrupts feeding, tends to occur rarely. We used these behaviors to test whether sound stimuli acted as a stress in this species. We conducted the playback experiment in which acoustic stimuli with a combination of five frequencies (100, 500, 1000, 5000, and 10000Hz) and three intensity levels (66, 78, 90 dB SPL) were presented to all stages of aphids. Under all acoustic stimuli, honey dew production occurred less often, and moving occurred more often and for longer. The results of two-way multivariate analysis of variance showed that the stimulus frequency was a significant factor for variation in aphid behaviors in the playback experiment. However, there was no intensity effect on the aphid's behavior. Based on the electrical penetration graph experiment, aphid feeding stopped frequently and lasted only for short durations under acoustic stimuli. The results of both experiments demonstrated that the acoustic stimuli were effective in inducing feeding suppression in this species. Thus, the acoustic stimuli may be a stressor in the green peach aphid. Furthermore, the behavioral bioassay employed in this study may be used to assess the effect of various stressors on aphids. © 2012 The Authors. Entomological Research © 2012 The Entomological Society of Korea and Wiley Publishing Asia Pty Ltd.
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