1. Insect
  2. Small Fruit Crops
  3. Strawberry Pests

Strawberry-Spotted-wing drosophila

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Drosophila suzukii

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

See:

Spotted-wing Drosophila: An Emerging Berry and Stone Fruit Pest

Management-chemical control: HOME USE

  • bifenthrin
  • plant essential oils (clove, rosemary)-Some formulations are OMRI-listed for organic use.
  • spinosad-This product generally provides 100% control and 5-7 days residual activity. Some formulations are OMRI-listed for organic use.

Management-chemical control: COMMERCIAL USE

Laboratory tests and field experiments indicate that many of the pesticides registered for use in strawberries are effective in controlling the adult SWD. Although SWD may not be listed on a label, it is legal to use for SWD management. The products listed below target the adult stage of SWD.

  • bifenthrin (Bifenture) at 0.04 to 0.2 lb ai/a. PHI 0 days. Toxic to bees. Synthetic pyrethroids achieved 100% mortality of SWD and provide about 10 to 14 days residual control in the field. Restricted use pesticide.
  • carbaryl (Sevin and other brands) at 2.0 lb ai/a. PHI 7 days. Latex-based formulations such as Sevin XLR Plus are less hazardous to bees. Carbaryl is broad-spectrum and provides 100% control of SWD. Toxic to bees.
  • cyantraniliprole (Dupont Exirel) at 0.088 to 0.133 lb ai/a. PHI 1 day. Do not apply when bees are foraging. Note "Bee Advisory Box" and restrictions on the label. Provides from 75-100% control, and 7 to 10 days residual control in the field.
  • cyclaniliprole (Verdepryn) at 0.054 to 0.072 lb ai/a. PHI 1 day. Highly toxic to bees.
  • diazinon (several brands) at 0.5 lb ai/a. PHI 5 days. One application per season allowed; as such, consider other pests that may need to be managed with diazinon. Toxic to bees and most aquatic invertebrates, and carry the risk of mammalian toxicity. Do not apply when bees are foraging. May achieve 100% mortality of SWD and provide about 7 to 10 days residual control in the field. Restricted use pesticide.
  • fenpropathrin (Danitol) at 0.3 lb ai/a. PHI 3 days. Do not exceed two applications per season. Toxic to bees and should not be used when bees are foraging. Toxic to fish and other aquatic invertebrates. Synthetic pyrethroids achieved 100% mortality of SWD and provide about 10 to 14 days residual control in the field. Restricted use pesticide.
  • horticultural oil (several brands)-Consult label for rate. Provides some control of SWD but has no residual activity. May cause spotting on fruit. Some formulations OMRI-listed for organic use.
  • imidacloprid (Admire Pro and others) at 0.05 lb ai/a. PHI 7 days. Hazardous to bees.
  • malathion-Consult label for rates. PHI 3 days. Toxic to bees and most aquatic invertebrates, and carry the risk of mammalian toxicity. Do not apply when bees are foraging. May achieve 100% mortality of SWD and provide about 7 to 10 days residual control in the field. Of the organophosphates tested, malathion had the longest residual activity (10 days).
  • pyrethrins (several brands)-Consult label for rate and use directions. Toxic to bees; do not apply when bees are foraging. Highly toxic to fish. Provides about 80% control of SWD but has no residual activity. Pyganic brand is OMRI-listed for organic use.
  • spinetoram (Radiant SC) at 0.047 to 0.078 lb ai/a. PHI 1 day. Toxic to bees for three hours following treatment. Do not apply when bees are foraging. May achieve 100% mortality of SWD and provide about 5 to 7 days residual control in the field. Spinosyn insecticide.
  • spinosad (Entrust) at 0.06 to 0.1 lb ai/a. PHI 1 day. Toxic to bees for three hours following treatment. Do not apply when bees are foraging. May achieve 100% mortality of SWD and provide about 5 to 7 days residual control in the field. The bait formulation of spinosad (GF-120) is not effective against SWD. Spinosyn insecticide. Entrust is OMRI-listed for organic use.