Community identification
Bird Mite (or Rodent Mite)
Ornithonyssus sylviarum / Dermanyssus gallinae
- Order & Family
- Order: Mesostigmata, Family: Macronyssidae / Dermanyssidae
- Size
- 0.7 mm to 1.0 mm (very small, similar to a speck of dust)
Natural Habitat
Commonly found in bird nests, poultry houses, and occasionally indoor spaces near nesting sites or rodent infestations.
Diet & Feeding
Blood from host animals (primarily birds or rodents); they may bite humans if the primary host is unavailable.
Behavior Patterns
They are highly mobile and active during the night. They exhibit a life cycle consisting of egg, larva, protonymph, deutonymph, and adult stages, often completing it in 7 days.
Risks & Benefits
Can cause intense itching, dermatitis, and skin irritation in humans. They do not live or reproduce on humans but are considered a nuisance pest in homes.