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- Title
Field trapping of male Phyllonorycter ringoniella using variable ratios of pheromone components.
- Authors
Du, Yongjun; Li, Ping; Chen, Zhiqun; Lin, Yanru; Wang, Yahong; Qin, Yuanxia
- Abstract
The sex pheromone of Phyllonorycter ringoniella ( Matsumura) ( Lepidoptera: Gracillariidae) has been identified to be a blend of ( Z)-10-tetradecenyl acetate ( Z10-14: OAc) and E4, Z10-tetradecadienyl acetate ( E4, Z10-14: OAc) in Japan, Korea, and China. However, the commercial product based on previous results is not attractive enough to be used for monitoring and controlling apple leafminer populations in the field. We re-investigated the attractiveness of the two pheromone components, singly and in blends, in apple orchards in Shangdong and Shaanxi, the main apple-growing provinces in China. Our results revealed that Z10-14: OAc alone was not attractive to P. ringoniella male moths in the field, but E4, Z10-14: OAc alone not only was strongly attractive but caught more males than any of the blends of Z10-14: OAc and E4, Z10-14: OAc tested. The most attractive blend ratios differed slightly for the two locations. No clear dose-response relationship was obtained for the 2:8 blend of Z10-14: OAc and E4, Z10-14: OAc. However, the dose-response field study of E4, Z10-14: OAc alone showed that 1 mg per lure achieved the highest moth catch. These findings differ from the previous report of the best pheromone blend in China. Our data showed that E4, Z10-14: OAc is the major component of the pheromone of P. ringoniella.
- Subjects
PHYLLONORYCTER; PHEROMONES; GRACILLARIIDAE; LEAFMINERS; PLANT products; MOTHS; LEPIDOPTERA
- Publication
Entomologia Experimentalis et Applicata, 2013, Vol 146, Issue 3, p357
- ISSN
0013-8703
- Publication type
Article
- DOI
10.1111/eea.12034