Behavior Genetics of Flexible Life Histories in Milkweed Bugs (Oncopeltus fasciatus)

  • Hugh Dingle
  • James F. Leslie
  • James O. Palmer

Abstract

Insects often face uncertain or unpredictable environments and must make appropriate adjustments in their life histories. Adaptations to predictable environments are well-known, and there is an extensive literature on the use of photoperiod, the most reliable seasonal cue, to time diapause, migration, reproduction and related responses. The difficulty comes when photoperiod (or any other cue) is unreliable. Under such conditions, the best strategy for an organism is to remain flexible, and the most obvious way to do so is via behavior, in particular those behaviors such as migration and diapause that allow choices of where and when to breed. Behavior can thus be an important element of a life history “strategy” (Dingle 1982, 1984).

Keywords

Migration Covariance 

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Copyright information

© Springer Science+Business Media New York 1986

Authors and Affiliations

  • Hugh Dingle
    • 1
  • James F. Leslie
    • 1
  • James O. Palmer
    • 1
  1. 1.Program in Evolutionary Ecology and Behavior, Department of ZoologyUniversity of IowaIowa CityUSA

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