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UC IPM Home > Homes, Gardens, Landscapes, and Turf > Trees and Shrubs > Invertebrate Pests

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How to Manage Pests

Pests in Gardens and Landscapes

Lead cable borer—Scobicia declivis

Adult borers are black or brown beetles, about 0.25 inch long.

Damage

Feeding on plants by lead cable borers causes dieback of occasional twigs. Tunnels in twigs or branches, often at the crotch, may be seen.

Solutions

Prune out affected plant parts. Eliminate nearby dead wood in which beetles breed.

Lead cable borer adult
Lead cable borer adult

Redwood damage by lead cable borer
Redwood damage by lead cable borer

 

Statewide IPM Program, Agriculture and Natural Resources, University of California
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