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Extension > Garden > Diagnose a problem > What's wrong with my plant? > Fruit > Raspberry > Loose or fallen berries

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Raspberry > Fruit > Loose or fallen berries

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  • Image: Raspberry Fruitworm

Raspberry Fruitworm
Byturus unicolof

  • Larvae feed on the receptacle of the berry, causing the berry to drop from the plant
  • Adults feed on the blossom
  • Adults are ¼ inch long, reddish-brown, covered with short hairs, and are active May-June
  • Larvae are yellow-white, ¼ inch long when full size, and are present in mid May-June
  • Red and purple raspberries are more susceptible

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