White Grubs, Billbugs, and Caterpillars Envu’s newest insecticide, Tetrino ® , offers quick knockdown and long-term residual control of annual white grubs, and billbugs as well as damaging caterpillars like black cutworms and fall armyworms. The broad-spectrum activity and flexibility of Tetrino is perfect for any golf course insect management program.
Target
Timing
Target Life Stage
Product
Notes
Tetrino 16-32 fl. oz./A or Merit 0.4 lbs. ai./A (multiple formulations available including on fertilizer) Tetrino ® 32 fl. oz./A or Merit ® 0.4 lbs. ai./A (multiple formulations available)
Water in with 0.125-0.5” for most effective control. Refer to label of specific product for instructions. Sequential applications likely required if white grubs are also problematic An application of Tetrino applied in mid-July for white grubs will also provide season long control of fall armyworms. Water in with 0.125-0.5” for most effective control. Refer to label of specific product for instructions Delay watering and mowing for 24 hours after application. Provides immediate knockdown plus residual control for up to 10 weeks depending on rate. An application of Tetrino applied in mid-July for white grubs will also provide season long control of fall armyworms.
When adult beetles of billbugs are seen (usually May 1st - June 15th)
Billbugs
Larvae
Apply during peak adult (usually July-August).
White Grubs
Larvae
When adults are first seen
Caterpillars
Tetrino 16-32 fl. oz./A
Larvae
Follow all label directions and local recommendations
White grubs are best controlled with Tetrino ® or Merit ® applied when adult beetles are first seen in mid-summer. (Envu)
Preventative white grub control will help eliminate damage from animal foraging. (Envu)
July, 2024
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