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  • Title: WESTERN FLOWER/CHERRY THRIPS
  • Description: LATIN NAME: Frankliniella occidentalis (Pergande) LIFE CYCLE: Overwinter in the soil as adults that become active when blossoms emerge. Several generations are produced per year. MONITORING: A limb tap sample at full bloom will indicate the presence of thrips. Blue or yellow sticky traps can be used to monitor adults. HOSTS: Apple, herbaceous plants, shrubs and trees. COMMENTS: Young thrips resemble adults in shape but are yellow in colour and wingless. Adult males are pale yellow in colour; females vary from pale yellow to dark brown and are larger than males. BODY LENGTH: Adult - 1.2 mm; Mature nymph- 1.0 mm.