Effects of sex pheromone in electrostatic powder on mating behaviour by Lobesia botrana males
Nansen, C., MacDonald, K.M., Rogers, C.D., Thomas, M., Poppy, G.M. and Baxter, I.H. (2007) Effects of sex pheromone in electrostatic powder on mating behaviour by Lobesia botrana males. Journal of Applied Entomology, 131, (5), 303-310. (doi:10.1111/j.1439-0418.2007.01167.x).
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In laboratory trials, mating behaviour of males of Lobesia botrana Den. and Schiff. (Lep., Tortricidae) was investigated after treatment with an electrostatically chargeable powder, EntostatTM. Male moths were powdered with either blank Entostat or Entostat containing sex pheromone. Significantly more Entostat adhered to L. botrana males when sex pheromone was added to the powder compared with blank Entostat. Powdering male moths with Entostat, with or without sex pheromone, caused a significant reduction in antennal response when antennae were placed 2 cm away in downwind direction, while there was little effect when antennae were placed 25–100 cm from the EAG in downwind direction. In a flight study, powdering males of L. botrana caused significant increase in time before flight initiation and reduction in proportion of males making contact with calling females compared with untreated males. In a mating experiment in Petri dishes (to minimize required search time to locate female), significantly fewer females mated successfully (based on dissection of bursa copulatrix) when males had been treated with pheromone-loaded powder. Overall, powdering males of L. botrana caused considerable suppression of mating behaviour on various levels, and these suppressing effects were increased after adding sex pheromone to Entostat.
|Keywords:||entostat, mating disruption, moth integrated pest management (IPM), tortricidae|
|Subjects:||Q Science > Q Science (General)
R Medicine > R Medicine (General)
|Divisions:||University Structure - Pre August 2011 > School of Biological Sciences
|Date Deposited:||08 Aug 2008|
|Last Modified:||06 Aug 2015 02:45|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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