Mint-Thrips

Frankliniella spp.

Pest description and crop damage Small yellowish insects < 1 mm long. Feeding on undersides of leaves injures cells. Damage appears as stippling, silvering, and/or yellowing of leaves. Generally, thrips are a localized problem in drought-stressed areas of fields or portions of fields adjacent to a crop just harvested. Seldom a problem requiring insecticide.

Management-cultural control

Avoid water stress with proper irrigation regime.

Management-chemical control

  • spinetoram (Radiant SC) at 0.031 to 0.094 lb ai/a. Suppression only. PHI 7 days. REI 4 hr. Do not apply more than 0.305 lb ai/a per crop. Do not make more than 4 applications per calendar year. Do not make applications less than 4 days apart. Do not make more than 2 successive applications of this or other group 5 insecticides (spinosad).
  • spinosad (Success, Entrust SC) at 0.063 to 0.156 lb ai/a. Suppression only. PHI 7 days. REI 4 hr. Retreatment interval 7 days. Do not exceed 0.45 lb ai/a per crop year. Do not apply more than three times per crop year. Do not make more than two successive applications of this or other group 5 insecticides (spinosad). Entrust SC is OMRI-listed for organic use.