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annual bluegrass weevil – Listronotus maculicollis

annual bluegrass weevil - Listronotus maculicollis

The annual bluegrass weevil (Listronotus maculicollis) is a highly destructive pest of golf course turfgrass in eastern North America. Researchers at Penn State University devised an imaging technique using fluorescent lighting and matching camera filters to monitor the weevils’ activity at different times and temperatures. Knowing when the weevils are most active at the top of the grass canopy can aid in better timing of various management methods. (Photo credit: BugGuide/Tom MurrayCC BY-ND-NC 1.0)

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