Movement of entomophagous arthropods in agricultural landscapes: links to pest suppression

N.A. Schellhorn, F.J.J.A. Bianchi, C.L. Hsu

Research output: Contribution to journalArticleAcademicpeer-review

128 Citations (Scopus)

Abstract

Entomophagous arthropods can provide valuable biological control services, but they need to fulfill their life cycle in agricultural landscapes often dominated by ephemeral and disturbed habitats. In this environment, movement is critical to escape from disturbances and to find resources scattered in space and time. Despite considerable research effort in documenting species movement and spatial distribution patterns, the quantification of arthropod movement has been hampered by their small size and the variety of modes of movement that can result in redistribution at different spatial scales. In addition, insight into how movement influences in-field population processes and the associated biocontrol services is limited because emigration and immigration are often confounded with local-scale population processes. More detailed measurements of the habitat functionality and movement processes are needed to better understand the interactions between species movement traits, disturbances, the landscape context, and the potential for entomophagous arthropods to suppress economically important pests.
Original languageEnglish
Pages (from-to)559-581
JournalAnnual Review of Entomology
Volume59
DOIs
Publication statusPublished - 2014

Keywords

  • different spatial scales
  • parasitoid diadegma-semiclausum
  • conservation biological-control
  • ephemeral crop habitats
  • mark-recapture data
  • natural enemies
  • foraging behavior
  • egg parasitoids
  • flight activity
  • cereal fields

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