2027 Agronomic Resource Guide (National)

Transition Zone

Annual Bluegrass Weevils

Annual bluegrass weevil is spreading south and west from the northeast U.S. These programs provide extended control of annual bluegrass weevils plus provides season-long control of white grubs and caterpillars. Phenological indicators provide only 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 targeting larvae with a 0.125” of irrigation.

Product and Use Rate per acre

Application

Good

Better

Best

Ideal for fairways

Ideal for fairways or greens

Ideal for greens

1 st app. Peak adult densities (Forysthia 1/2 gold & 1/2 green or 125-200 GDD50) 2 nd app. Larvae begin entering the soil (Rhododendron full bloom or 300-400 GDD50) 3 rd app. 2-3 weeks later. (late larvae clean-up, up to 600 GDD50)

Triple Crown ® 35 fl. oz. or Suprado 128 fl. oz.

Talstar ® 20 fl. oz. or Suprado ® 128 fl. oz.

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.

Follow all label directions and local recommendations

PRO TIP : Detecting adult ABW in mower baskets can help determine application timing. However, ABW can survive mowing, so discard clippings from infested greens or fairways as far away as possible.

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