Spatial scale of fenvalerate resistance in pear psylla (Homoptera: Psyllidae) and its relationship to treatment history

B. E. Tabashnik, B. A. Croft, J. A. Rosenheim

Research output: Contribution to journalArticle

12 Scopus citations


Data on fenvalerate susceptibility, pyrethroid use, and related information for 48 sites in British Columbia, Washington, Oregon and California were analyzed to clarify the spatial scale and causes of fenvalerate resistance in Psylla pyricola. -from Authors

Original languageEnglish (US)
Pages (from-to)1177-1183
Number of pages7
JournalJournal of economic entomology
Issue number4
StatePublished - Jan 1 1990
Externally publishedYes


ASJC Scopus subject areas

  • Ecology
  • Insect Science

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