Pest description and crop damage May feed on foliage, flowers and developing green fruit, reducing fruit yield and quality. This is often not observed in vineyards and may cause very low levels of damage in sporadic areas of the vineyard.
Management-chemical control: HOME USE
- pyrethrins-Some formulations are OMRI-listed for organic use.
Management-chemical control: COMMERCIAL USE
- carbaryl (Sevin 4F and other brands) at 0.5 to 1.5 lb ai/a. Apply a rate of 0.5 to 0.75 lb ai/a for nymphs or on smaller canopies and 1.0 to 1.5 lb ai/a for mature grasshoppers or dense foliage. PHI 7 days. REI 6 days. Do not apply to fruit as it may cause residue spotting. Toxic to bees; do not apply when bees are foraging. Group 1A insecticide.