Effects of recombinant baculoviruses on a nontarget endoparasitoid of Heliothis virescens

Bill F. McCutchen, Rafael Herrmann, Kevin M. Heinz, Michael P. Parrella, Bruce D. Hammock

Research output: Contribution to journalArticlepeer-review

22 Scopus citations

Abstract

Our study evaluated the effect of wild-type and recombinant Autographa californica nuclear polyhedrosis viruses (AcNPVs) on an endoparasitoid of Heliothis virescens. The development time of the parasitoid Microplitis croceipes was shortened in AcNPV-infected hosts. However, parasitoid survival in hosts treated with recombinant NPVs did not significantly differ from survival rates in hosts infected with wild-type NPV or uninfected controls. Earlier emergence was recorded for parasitoid larvae developing in hosts infected with recombinant NPVs than parasitoid larvae from hosts infected with wild-type NPV. Adult parasitoids which had developed as larvae in hosts infected with recombinant NPVs were significantly smaller in size, suggesting a cost associated with more rapid development rates. PCR primers for AcNPV produced a predicted product in approximately 40% of F1 adults developing from NPV-infected hosts.

Original languageEnglish (US)
Pages (from-to)45-50
Number of pages6
JournalBiological Control
Volume6
Issue number1
DOIs
StatePublished - Feb 1996

Keywords

  • Autographa californica nuclear polyhedrosis virus
  • Heliothis virescens
  • insect toxin-Androctonus australis (AaIT)
  • juvenile hormone esterase
  • Microplitis croceipes
  • parasitoid development
  • recombinant/transgenic baculovirus

ASJC Scopus subject areas

  • Agronomy and Crop Science
  • Ecology, Evolution, Behavior and Systematics

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