Bug Identifier
Broad-necked Root Borer
Community identification

Broad-necked Root Borer

Prionus laticollis

Order & Family
Order: Coleoptera, Family: Cerambycidae
Size
Adults typically range from 25 mm to 60 mm (1 to 2.4 inches) in length.
See this bug in the Encyclopedia

Natural Habitat

Forests, woodlands, orchards, and urban areas where host trees are present.

Diet & Feeding

Larvae feed on the roots and lower trunks of various deciduous trees, including oak, maple, birch, apple, and cherry. Adults are not known to feed.

Behavior Patterns

Adults are nocturnal and attracted to lights. Larvae bore into the wood of trees.

Risks & Benefits

Potential risk as a pest of trees, especially young or stressed trees, as larval boring can weaken or kill them. No direct risks to humans. As decomposers, they play a role in nutrient cycling in the ecosystem.