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Methods for rearing Syngaster lepidus and Jarra phoracantha (Hymenoptera: Braconidae), larval parasitoids of the phloem-colonizing longhorned beetles Phoracantha semipunctata and P. recurva (Coleoptera: Cerambycidae)

Published online by Cambridge University Press:  09 March 2007

J.G. Millar*
Affiliation:
Department of Entomology, University of California, Riverside, California 92521, USA
T.D. Paine
Affiliation:
Department of Entomology, University of California, Riverside, California 92521, USA
C.D. Campbell
Affiliation:
Department of Entomology, University of California, Riverside, California 92521, USA
L.M. Hanks
Affiliation:
Department of Entomology, University of California, Riverside, California 92521, USA
*
*Fax: 1 909 787 3086 E-mail: jocelyn.millar@ucr.edu

Abstract

Two species of cerambycid beetles that attack eucalypts, Phoracantha semipunctata(Fabricius) and P. recurva Newman, have been accidentally introduced from Australia into most regions of the world in which their hosts have been planted. The beetles cause extensive mortality in plantations and landscape plantings of the trees. Management programmes have focused on integration of silvicultural practices, host plant resistance and biological control. To rear and release natural enemies of the larval stages of the beetles in California, mass rearing protocols for continuous production of two species of parasitoids have been developed. The methods described represent the first long-term and large-scale techniques for mass rearing parasitoids of any wood-boring cerambycid species. In addition to providing large numbers of parasitoids for releases, the mass rearing effort has also provided large numbers of parasitoids for fundamental studies of their biology and behaviour.

Type
Research Article
Copyright
Copyright © Cambridge University Press 2002

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