Asian Lady Beetle
Scientific Name: Harmonia axyridis
Order & Family: Order Coleoptera, Family Coccinellidae
Size: 5 mm to 8 mm (approximately 0.2 to 0.3 inches)

Natural Habitat
Found in agricultural fields, gardens, and woodlands; famously invades homes and buildings during the autumn months to seek warmth for overwintering.
Diet & Feeding
Primarily predatory, consuming large quantities of aphids, scale insects, and other soft-bodied crop pests. They may sometimes feed on ripe fruit.
Behavior Patterns
Known for having a wide variety of colors and spot patterns. They exhibit 'reflex bleeding,' where they excrete a foul-smelling yellow liquid from their leg joints when threatened. They are highly active during the day and are strong fliers.
Risks & Benefits
Benefits: Highly effective at controlling agricultural pests like aphids. Risks: They can become an indoor nuisance pest in winter, may cause allergic reactions in some humans, can bite (though not venomous), and the yellow fluid they secrete can stain surfaces and clothing.
Identified on: 3/21/2026