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1 September 2009 Efficient Mass-Trapping Method As an Alternative Tactic for Suppressing Populations of Leopard Moth (Lepidoptera: Cossidae)
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Abstract
The leopard moth, Zeuzera pyrina (L.) (Lepidoptera: Cossidae), is a xylophagous species that has become a serious pest in the olive (Olea spp.) orchards in Egypt. Both chemical and biological control have scored poorly against this pest and additional methods are needed. A simple, but efficient UV-light-pheromone sticky trap (“Hegazi model”) was devised for leopard moth mass trapping. Activity of leopard moth and efficiency of pheromone-baited, light, and pheromone and light traps were evaluated. The combination of light and sex pheromone was optimally attractive to leopard moth populations in olive orchards. A comparison between light traps baited with sex pheromone in mass-trapping method and conventional controls (insecticidal and physical removal of larvae) in heavily infested plots was carried out between 2002 and 2005. Leopard moths have long flight period, starting in mid-May and lasting until early November. Females of leopard moths were rarely trapped, but all had eggs. In mass-trapping plot, the seasonal captures and active galleries diminished from one year to the next, which may indicate the effectiveness of the method. From May 2003 to October 2005 greater reduction in total counts of active galleries was observed in mass-trapping plot compared with those recorded in the control field, in which chemical sprays and manual killing were performed. Yield from trees in mass-trapping field was significantly increased in comparison to control trees. The study strongly recommends the use of mass-trapping method instead of pesticides against the leopard moths, not only to control them but also to mass trap and monitor other lepidopterous pests of olive trees.
© 2009 Entomological Society of America
E. Hegazi, W. E. Khafagi, M. Konstantopoulou, D. Raptopoulos, H. Tawfik, G. M. Abd El-Aziz, S. M. Abd El-Rahman, A. Atwa, E. Aggamy and S. Showeil "Efficient Mass-Trapping Method As an Alternative Tactic for Suppressing Populations of Leopard Moth (Lepidoptera: Cossidae)," Annals of the Entomological Society of America 102(5), (1 September 2009). https://doi.org/10.1603/008.102.0507
Received: 4 August 2008; Accepted: 1 January 2009; Published: 1 September 2009
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