Tetranychus spp.
Pest description and crop damage
See:
Common Pests of Vegetable Crops
Biology and life history
See:
Common Pests of Vegetable Crops
Management-chemical control: HOME USE
- azadirachtin (neem oil)-Some formulations are OMRI-listed for organic use.
- bifenthrin (often as a mix with zeta-cypermethrin).
- horticultural oil-Some formulations are OMRI-listed for organic use.
- plant-derived essential oils (such as clove, garlic or rosemary)-These have some efficacy against spider mites. Some formulations are OMRI-listed for organic use.
- sulfur (as a mix with pyrethrins) -Some formulations are OMRI-listed for organic use.
Management-chemical control: COMMERCIAL USE
- abamectin (Agri-Mek SC) at 0.009 to 0.019 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.056 lb ai/a per season.
- acequinocyl (Kanemite 15SC) at 0.3 lb ai/a. PHI 1 day. REI 12 hr. Retreatment interval 21 days. Do not exceed 0.6 lb ai/a per season.
- bifenazate (Acramite 50WS) at 0.375 to 0.5 lb ai/a. PHI 3 days. REI 12 hr. One treatment per season.
- bifenthrin/avermectin (Athena) at 0.048 to 0.12 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 10 days. Do not exceed 0.056 lb ai/a avermectin or 0.4 lb ai/a bifenthrin per season.
- bifenthrin (Brigade 2EC) at 0.08 to 0.1 lb ai/a. PHI 7 days. REI 12 hr. Do not exceed 0.2 lb ai/a per season. Retreatment interval 7 days.
- bifenthrin/zeta-cypermethrin (Hero EW) at 0.1 lb ai/a. PHI 7 days. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.266 lb ai/a per season.
- chlorfenapyr (Pylon) at 0.1 to 0.2 lb ai/a. PHI 0 days. REI 12 hr. Retreatment interval 5 days. Do not exceed 0.6 lb ai/a per season. Greenhouse only.
- etoxazole (Zeal) at 0.09 to 0.135 lb ai/a. PHI 7 days. REI 12 hr. Do not exceed 0.135 lb ai/a per season.
- fenpropathrin (Danitol 2.4EC) at 0.2 lb ai/a. PHI 3 days. REI 24 hr. Retreatment interval 7 days. Do not exceed 0.8 lb ai/a per season.
- fenpyroximate (Miteus) at 1.05 lb ai/a. PHI 1 day. REI Do not exceed 2.1 lb ai/a per season. Limit 2 applications. Retreatment interval 14 days.
- hexythiazox (Onager) at 0.94 to 1.88 lb ai/a. PHI 1 day. REI 12 hr. One treatment.
- insecticidal soap (M-Pede) at 1 to 2% solution. Potassium salts of fatty acids. See label for gal/a. PHI 0 days. REI 12 hr. Some formulations are OMRI-listed for organic use.
- naled (Dibrom 8E) at 0.9 to 1.9 lb ai/a. PHI 1 day. REI 48 hr, or 72 hr at rates above 1 lb ai/a. Do not exceed 5.4 lb ai/a per season.
- propyleneglycol monolaurate (Acaritouch) at 12 to 25 oz/100 gal of formulated product. PHI 1 day. REI 4 hr.
- spiromesifen (Oberon 2EC) at 0.11 to 0.13 lb ai/a PHI 1 day. REI 12 hr. Retreatment interval 7 days. Do not exceed 0.4 lb ai/a per season.