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Now Showing: Posts by Dr. Shaohui Wu 8 Posts

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Mature ABW adults appearing in low-cut turf in OhioMarch 30, 2026

Based on the forecasted warm weather and observed ABW activities, peak adult activities are expected to arrive in the next two weeks.

Practices following the 1st generation ABW adult emergenceJune 30, 2025

First-generation ABW adults have started to emerge throughout Ohio with more coming.

Curative larvicide application before ABW damage progressesMay 27, 2025

As early ABW damage appears in central and southern Ohio, curative larvicides should be applied as needed before damage becomes exacerbated.

Dramatic differences in ABW progression among Ohio locationsApril 29, 2025

An asynchrony between ABW population development and plant phenology/GDD has been noticed this spring, making optimal adulticide application timings challenging.

ABW emerging from overwintering sitesMarch 26, 2025

ABW are seen in pitfall traps installed in roughs between overwintering sites and low-cut turf mixtures of annual bluegrass and creeping bentgrass in Ohio.

Third-generation ABW damage appearing in OhioSeptember 3, 2024

The thirdĀ generation annual bluegrass weevilĀ adults have started to appear after causing turf damage in southern Ohio, and drought may have exacerbated the symptoms.

Update on ABW activity in OhioApril 30, 2024

Annual bluegrass weevil (ABW) adults are still being caught in pitfall traps in central Ohio with reduced reproduction, and larval development has been noticed.

Annual bluegrass weevils are still on the move in OhioMarch 22, 2024

Due to the warm weather in winter, ABW adults in the Greater Cincinnati and Columbus areas have been active earlier this year. Adulticides should be prepared...