Tropical Zone
Solutions for Turf-Damaging Insects White Grubs, Billbugs, Caterpillars, and Mites
Envu’s latest insecticide, Durentis™, offers quick knockdown and long-term residual control of common golf course insect pests including white grubs and caterpillars. The active ingredient, chlorantraniliprole, has a small environmental footprint, with limited applicator and pollinator restrictions.
Target
Timing
Target Life Stage
Product
Billbugs are active throughout the growing season with multiple generations. For optimal control, apply when adults are first seen. Additional applications may be needed in areas of higher pressure, especially when turf growth slows in the shoulder season
Tetrino ® 32 fl. oz./A, Triple Crown ® 25-35 fl. oz./A, or Merit ® 0.4 lbs. ai./A (multiple formulations available including on fertilizer)
Billbugs
Larvae
Early season spring application (April - May)
Durentis™ 4 fl. oz./A
Larvae
White Grubs
Durentis™ 2.7 fl. oz./A or Merit 0.4 lbs. ai./A (multiple formulations available including on fertilizer)
Apply during peak adult activity (usually June - July)
Larvae
1.3 fl. oz./A for 60-day control 2.7 fl. oz./A for 90-day control 4 fl. oz./A for 120-day control Near the end of the season when no more generations expected
Durentis
When adults are first seen
Caterpillars
Larvae
Talstar ® 20 fl. oz./A or Triple Crown 25 fl. oz./A
Kontos ®1 5 fl. oz./A or Triple Crown 25 fl. oz./A
Apply during shoulder seasons (Feb-Mar) and (Oct-Nov)
Bermudagrass mites
Nymphs and adults
1 Kontos labeled for golf course use only in FL, SC, and TX. Follow all label directions and local recommendations
PRO TIP : Billbugs are becoming more widespread in the southern US and can be active almost year-around with up to 5 generations. Triple Crown ® or Dylox ® can knock down damaging larvae when first discovered, but a preventative program including Tetrino ® , Triple Crown ® , or Merit ® will be most effective long-term
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