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Appetitive flight patterns of male Agrotis segetum moths over landscape scales

Appetitive flight patterns of male Agrotis segetum moths over landscape scales

Reynolds, A.M., Reynolds, D.R., Smith, A.D., Svensson, G.P. and Löfstedt, C. (2007) Appetitive flight patterns of male Agrotis segetum moths over landscape scales. Journal of Theoretical Biology, 245 (1). pp. 141-149. ISSN 0022-5193 (doi:10.1016/j.jtbi.2006.10.007)

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Abstract

An analysis is presented of the first harmonic radar studies of pheromone-plume locating flights of male Agrotis segetum moths over distances of up to 500 m. Upon release most moths flew in a direction having a downwind component. The first significant changes in flight orientations occur in the immediate vicinity of a pheromone source. Moths that were initially flying downwind change course and
start flying crosswind whilst those that initially flew crosswind change course and start flying upwind. It is shown that such behaviour is consistent with the adoption of an effective plume-location strategy, and conditions are identified when downwind flights would be more advantageous than crosswind ones. Additionally, some of the complex flight patterns that can arise at later times are shown to be compatible with the adoption of an optimal biased scale-free (Lévy-flight) searching strategy. It is found that disruptive doses of sex pheromone can have a marked influence upon male moth flight patterns.

Item Type: Article
Uncontrolled Keywords: Agrotis segetum, Lepidoptera, Noctuidae, pheromone plumes, casting, Lévy flights
Subjects: Q Science > Q Science (General)
Q Science > QL Zoology
Faculty / Department / Research Group: Faculty of Engineering & Science > Natural Resources Institute
Faculty of Engineering & Science > Natural Resources Institute > Agriculture, Health & Environment Department
Faculty of Engineering & Science
Related URLs:
Last Modified: 10 Jun 2015 14:01
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/2391

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