Minute Pirate Bug

Scientific Name: Orius insidiosus

Order & Family: Hemiptera: Anthocoridae

Size: 2mm to 5mm (approximately 1/5th of an inch long)

Minute Pirate Bug

Natural Habitat

Agricultural fields, gardens, orchards, and sometimes accidentally entering homes near grassy areas.

Diet & Feeding

Predatory; they feed on aphids, thrips, spider mites, and insect eggs. They are highly beneficial in gardens.

Behavior Patterns

Active during the day, they are agile fliers and crawl quickly. They go through five nymphal stages before reaching adulthood and often congregate on flowers.

Risks & Benefits

Benefits: Significant natural pest control for crops and gardens. Risks: They are known to bite humans occasionally, especially in late summer or fall; the bite is sharp and painful (like a needle prick) but they do not inject venom, carry diseases, or feed on human blood.

Identified on: 3/21/2026