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Apple maggot (Rhagoletis pomonella) adults are active in midsummer. Adults, which are small flies (about ¼ inch), have a dark thorax with a white spot on the tip, a dark abdomen with white cross bands, and four dark streaks on wings. Full-grown larvae are 1/3 inch long, cream-colored, legless, and without a distinct head.

Apple maggot larva (Bessin, UKY)
Apple maggot larva.

(Photo: Ricardo Bessin, University of Kentucky)

Apple maggot adult (Bessin, UKY)
Apple maggot adult.

(Photo: Ricardo Bessin, University of Kentucky)

     
Management:

  • Proper insecticide timing (monitor using red spheres and yellow sticky cards)

    

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