Bug Identifier
Chigger
Community identification

Chigger

Trombicula (genus)

Order & Family
Order: Trombidiformes; Family: Trombiculidae
Size
0.15 to 0.3 mm (larval stage is nearly invisible to the naked eye).
See this bug in the Encyclopedia

Natural Habitat

Tall grass, woodlands, low-lying damp areas, and berry patches.

Diet & Feeding

Larvae feed on liquefied skin tissue (not blood); adults feed on small insects and insect eggs in soil.

Behavior Patterns

Larvae wait on vegetation to crawl onto a host. They attach to the skin, inject digestive enzymes, and feed for several days before dropping off to molt.

Risks & Benefits

Risks: Causes intense itching and red welts (Trombiculiasis). Benefit: Adults play a minor role in soil health by feeding on other small pests.