Black Vine Weevil Adult
Otiorhynchus sulcatus
The most destructive and widespread of weevils, black vine weevil adults are flightless beetles that feed on leaf margins of over 100 plant species. Found throughout northern North America, these nocturnal pests are particularly damaging to yew, rhododendrons, and other broad-leaf evergreens.
Identification & Symptoms
What to Look For
Potential Damage
Lifecycle
Adults emerge in late May to early June and can live for several months, with some overwintering. Adults feed for 2-3 weeks before egg laying begins in late July. Up to 500 eggs are laid in soil near host plant roots. One generation per year.
Professional Treatment Approach
Systemic insecticide treatment with Imisol for comprehensive weevil control
Imicide applications for targeted adult weevil management
Apply treatments in late spring before peak adult emergence
Focus treatments on preferred hosts like yew and rhododendrons
Monitor for characteristic leaf notching to time treatments
Recommended Mauget Products
Imisol
Professional-grade treatment specifically effective against black vine weevil adult.
View Product DetailsImicide
Professional-grade treatment specifically effective against black vine weevil adult.
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