Host discrimination in <i>Rhagoletis berberis</i> (Diptera: Tephritidae)

Authors

  • Charlene F. Mayes Department of Biological Science Simon Fraser University Burnaby, B.C.
  • Bernard D. Roitburg Department of Biological Science Simon Fraser University Burnaby, B.C.

Keywords:

<i>Rhagoletis berberis</i>, Diptera, Tephritidae

Abstract

Following oviposition, females of <i>Rhagoletis berberis</i> Curran (Tephritidae), appear to deposit host marking pheromones on the surface of their host fruit, <i>Mahonia</i> (Berberacidae), and discriminate against such marked hosts when choosing oviposition sites. Marking is accomplished by dragging the ovipositor on the fruit surface, resulting in the deposition of a fluid trail. In addition to these findings, females were observed feeding on the juice of host fruit through punctures made with their ovipositors. Therefore, the incidence of fly feeding was compared with successful and unsuccessful oviposition.

References

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Published

2019-09-25

Issue

Vol. 83 (1986): Journal of the Entomological Society of British Columbia

Section

Articles

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