Two-lined Chestnut Borer

Natural Habitat

Found in deciduous forests, specifically on or near oak and chestnut trees

Diet & Feeding

Larvae feed on the inner bark (cambium and phloem) of oak and chestnut trees; adults feed on foliage

Behavior Patterns

Adults are active from May to August and lay eggs in bark crevices; larvae create winding galleries that can girdle and kill stressed trees

Risks & Benefits

Significant forest pest that can cause widespread mortality in stressed oak trees; no direct health risk to humans or pets

Identified on: 3/4/2026