Peach and nectarine-Spotted wing drosophila

Drosophila suzukii

For pest description, crop damage, biology, life history, sampling and cultural management

See:

Management-chemical control: HOME USE

  • acetamiprid
  • azadirachtin (neem extract)-Some formulations are OMRI-listed for organic use.
  • insecticidal soap-Avoid spraying when blossoms are present. Complete coverage, especially undersides of leaves, is essential. Not recommended for use on yellow-skin nectarine varieties. Some formulations are OMRI-listed for organic use.
  • kaolin clay (Surround at Home)-Repels some insect pests when applied as a spray to leaves, stems, and fruit. OMRI-listed for organic use.
  • permethrin-Peach only.
  • pyrethrins-Some formulations are OMRI-listed for organic use.
  • spinosad-Some formulations are OMRI-listed for organic use.
  • zeta-cypermethrin

Management-chemical control: COMMERCIAL USE

  • diazinon (Diazinon 50W) at 4 lb/a. REI 4 days. PHI 21 days. Maximum of one in-season foliar application regardless of target pest.
  • esfenvalerate (Asana XL) at 4.8 to 14.5 fl oz/a. REI 12 hr. PHI 14 days. May disrupt beneficial mite populations. Extremely toxic to fish and aquatic invertebrates; avoid spray drift and runoff to surface waters.
  • lambda-cyhalothrin (Warrior II) at 1.3 to 2.5 fl oz/a. REI 24 hr. PHI 14 days. May disrupt beneficial mite populations. Extremely toxic to fish; avoid spray drift and surface runoff.
  • malathion (Malathion 57EC) at 2 pints/a. REI 24 hr PHI 7 days..
  • spinetoram (Delegate WG) at 4.5 to 7 oz/a. REI 4 hr. PHI 1 day. Apply at least 1 week apart, with a maximum four applications per season.
  • spinosad-
    • Entrust 80W at 1.25 to 2.5 oz/a. REI 4 hr. PHI 1 day. OMRI-listed for organic use.
    • Success 2F at 4 to 8 fl oz/a. REI 4 hr. PHI 1 day. May act slowly.