Grape Leaf Beetle on Concord Vines: Hand-Pick or Neem/Pyrethrum

The beetle eating your Concord grape leaves is the grape leaf beetle (Coleoptera: Chrysomelidae) — also called grapevine beetle. One generation/year; adults emerge July.

Control

• Hand-pick (2 found = easy). Drop in soapy water.
• Neem oil or pyrethrum — botanical, low toxicity. Spray foliage. Natural pesticide guide.
• Row cover next spring (remove for pollination).

Why Now?

First appearance in 20+ years = likely natural range expansion or local population spike. Not your fault.

See Wikipedia for life cycle. Monitor next July.