Asian Lady Beetle
Scientific Name: Harmonia axyridis
Order & Family: Order Coleoptera, Family Coccinellidae
Size: 5.5 to 8.5 mm in length

Natural Habitat
Found in various outdoor habitats including gardens, agricultural fields, and forests; frequently invades homes and buildings during the autumn winter.
Diet & Feeding
Mainly feeds on aphids and other soft-bodied insects like scales and adelgids; adults may also consume pollen and nectar.
Behavior Patterns
Active predators during spring and summer; they are known for their 'overwintering' behavior where thousands of individuals aggregate in light-colored buildings to survive the cold.
Risks & Benefits
Benefits the ecosystem and agriculture by controlling aphid populations; potential risks include being a household nuisance insect, causing minor allergic reactions in some people, and producing a foul-smelling yellow fluid (reflex bleeding) that can stain surfaces.
Identified on: 2/15/2026