June Beetle Diet and Garden Impact: Species Matters

Question about feeding a June beetle found in yard. Follow-up: it's a 10-lined June beetle.

General June Beetles

• Adults: fruit, sugar/honey water
• Larvae (white grubs): soil roots
• Both can be garden pests

10-Lined June Beetle (Polyphylla decemlineata)

• Western Canada/US species
• Adults feed on conifer foliage
• Not a garden pest
• More info

Short-lived in captivity. Release if possible.