Researches on Population Ecology

, Volume 37, Issue 2, pp 239–247 | Cite as

Models for mating disruption by means of pheromone for insect pest control

  • Hugh J. Barclay
  • Gary J. R. Judd
Original Paper
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Accepted:

Abstract

Models are presented to investigate the population dynamic behavior of a pest population with the release of pheromone for mating disruption. Three mechanisms of mating disruption are considered: (i) confusion of males, (ii) competition with female pheromone trails yielding false trail following, (iii) emigration of males prior to mating. In addition, several refinements to confusion are considered. Confusion and emigration of males were found to be very similar both quantitatively and dynamically; also, a combination of both mechanisms was very little more efficient than either one separately. False trail following is difficult to compare with the other two, since competition with wild females is involved and thus the total population size enters the equations. Density dependence of the action of pheromones results in some cases in which mating disruption cannot control the pest population. Similarly, aggregation of the pest population decreases the efficiency of the method unless the pheromone action is density independent. Delayed mating of females makes control easier, and may constitute one mechanism for mating disruption.

Key words

pheromone mating disruption model pest control 
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Copyright information

© Society of Population Ecology 1995

Authors and Affiliations

  • Hugh J. Barclay
    • 1
    • 2
  • Gary J. R. Judd
    • 3
  1. 1.Pacific Forestry CentreVictoriaCanada
  2. 2.Department of BiologyUniversity of VictoriaVictoriaCanada
  3. 3.Agriculture Canada, Research StationSummerlandCanada

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