Northern Zone
Solutions for Insects and Weeds
Annual Bluegrass Weevils Timing for annual bluegrass weevil is based on university research. These programs provide extended control of annual bluegrass weevils plus provides season-long control of white grubs and caterpillars. Phenological indicators provide a guide in determining if an application is warranted at a given time and do not replace onsite scouting. For best results immediately water in applications of Tetrino ® and Dylox ® 420 fl. oz. with 0.15" of irrigation.
Product and Use Rate per 1,000 sq. ft.
Good
Better
Best
Application
Low pressure
Moderate pressure Standard pyrethroid or Suprado ® 128 fl. oz.
High pressure
Standard pyrethroid or Suprado 128 fl. oz.
1 st app. Peak adult densities (Forysthia 1/2 gold & 1/2 green)
2 nd app. Larvae begin entering the soil (Rhododendron full bloom) 3 rd app. 2-3 weeks later. Late larvae clean up
Tetrino ® 32 fl. oz.
Tetrino 32 fl. oz.
Tetrino 32 fl. oz.
Dylox ® 420SL 300 fl. oz.
4 th app. 2nd generation larvae
Tetrino 32 fl. oz.
Tetrino 32 fl. oz.
Tetrino 32 fl. oz.
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