Clover Mites Swarming Deck at Night: Harmless, Temporary, Soap Control

Millions of tiny brown bugs on deck at night (grill, furniture, rails, floor). Still when lights on, scatter when tapped, aggregate on dead ones. Small child and dog—avoid poisons.

Identification: Clover Mites

Feed on plants/grasses. Harmless. Massive spring/fall invasions. Enter homes as nuisance.

Management

• Self-limiting: Disappear with warmer, drier weather
• Insecticidal soap if treatment desired (guide)
• OSU life history bulletin

No pesticides needed.