Initial establishment and further releases of <i>Cotesia urabae</i> a biological control agent for <i>Uraba lugens</i> in New Zealand


  • B.A. Gresham
  • G. Avila
  • L.A. Berndt
  • T.M. Withers



Cotesia urabae (Hymenoptera Braconidae) a solitary larval endoparasitoid of the eucalypt pest Uraba lugens (Lepidoptera Nolidae) was approved for use as a biological control agent in New Zealand in July 2010 and initial releases were made at two sites in central and south Auckland between January and June 2011 Initial establishment of C urabae has now been confirmed at the central Auckland Domain site as parasitoid cocoons were found in February 2012 in the original release tree as well as in several trees nearby where releases had not occurred for the previous 8 months Two further releases of C urabae were made in January 2012 the first in a Eucalyptus bosistoana plantation in Morningside near Port Whangarei Northland and the second onto a large Eucalyptus cinerea tree located in Matapihi Tauranga Bay of Plenty At both of these sites host U lugens larvae that had been attacked by C urabae females were released rather than adult parasitoids This method provided additional flexibility around timing of release and improved ease of transportation and handling




How to Cite

Gresham, B., Avila, G., Berndt, L. and Withers, T. 2012. Initial establishment and further releases of &lt;i&gt;Cotesia urabae&lt;/i&gt; a biological control agent for &lt;i&gt;Uraba lugens&lt;/i&gt; in New Zealand. New Zealand Plant Protection. 65, (Jan. 2012), 292–292. DOI:



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