Small flowervisiting arthropods in New Zealand pak choi fields


  • B.G. Howlett
  • M.K. Walker
  • J.A. McCallum
  • D.A.J. Teulon



Flowervisiting small arthropods (body length <3 mm) that may vector pollen can be carried via air currents over long distances Therefore assessing their diversity abundance and distribution within crops is an important step in determining their role in the transfer of pollen between crops and weeds leading to crop contamination A window trap survey of eight flowering pak choi field trials in the North and South Islands of New Zealand demonstrated that small arthropods particularly flies and thrips were highly abundant within all fields greatly dominating arthropod counts However the relative abundance of different taxa could vary substantially For example Drosophilidae individuals represented 655 of total arthropod individuals counted in a Pukekohe field and only 70 in a Hastings field The large representation of small arthropods within flowering fields across New Zealand warrants further investigation of their contribution to pollination and pollen flow




How to Cite

Howlett, B., Walker, M., McCallum, J. and Teulon, D. 2009. Small flowervisiting arthropods in New Zealand pak choi fields. New Zealand Plant Protection. 62, (Aug. 2009), 86–91. DOI:




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