Spodoptera frugiperda pheromone lures to avoid nontarget captures of Leucania phragmatidicola

S. J. Fleischer, C. L. Harding, P. E. Blom, J. White, J. Grehan

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

We confirmed that commercial three- or four-component Spodoptera frugiperda (J.E. Smith) pheromone lures had a high nontarget capture rate for Leucania phragmatidicola Guenée, which compromised monitoring efforts in the northeastern United States. We compiled taxonomic features to distinguish L. phragmatidicola from S. frugiperda, and we compared five new lures. S. frugiperda catch specificity was improved by removing (Z)-11-hexadecen-1-ol acetate (Z11-16:Ac), which attracted L. phragmatidicola. Four lures tracked late-season S. frugiperda immigration, but two of these lures also tracked a bivoltine L. phragmatidicola flight with a second generation coincident with S. frugiperda immigration, and one lure attracted the first, but not the second, generation of L. phragmatidicola. In both low- and high-moth flight conditions, two-component lures had low L. phragmatidicola captures (0.5-1.4%), and although lures with more pheromonal components captured more S. frugiperda, they also had a high percentage of capture of L. phragmatidicola (38-48%). We conclude that although two-component lures captured fewer S. frugiperda, their similar temporal pattern, along with the lower level of L. phragmatidicola, makes them useful for development for monitoring programs in the northeastern United States.

Original languageEnglish (US)
Pages (from-to)66-71
Number of pages6
JournalJournal of economic entomology
Volume98
Issue number1
DOIs
StatePublished - Feb 2005

All Science Journal Classification (ASJC) codes

  • Ecology
  • Insect Science

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