Minute Pirate Bug
Scientific Name: Orius insidiosus (or similar species in the genus Orius)
Order & Family: Order: Hemiptera, Family: Anthocoridae
Size: Very small; typically 2-5 mm in length (approx. 1/8 to 1/5 inch).
Natural Habitat
Commonly found in gardens, agricultural fields, and greenhouses. They live on various crops including corn, soybeans, and flowers where prey is abundant.
Diet & Feeding
Predatory; they feed on small soft-bodied pests like thrips, aphids, mites, and insect eggs. They pierce prey with their beak and suck out the juices.
Behavior Patterns
They are active hunters and can fly. Their life cycle includes egg, nymph, and adult stages, taking about 3 weeks to complete in warm weather. They overwinter as adults in leaf litter.
Risks & Benefits
Generally beneficial as biological control agents for garden pests. However, they are known to land on human skin and deliver a surprisingly painful, sharp bite (often in late summer/autumn), though the bite is harmless and they do not spread disease.
Identified on: 2/16/2026