Bird Lice (Mallophaga) or Booklice (Psocoptera)
Scientific Name: Mallophaga (suborder) / Liposcelis spp.
Order & Family: Order: Psocodea
Size: 0.5 mm to 2 mm in length.
Natural Habitat
Birds' feathers, nests, or indoor environments with high humidity and starchy materials.
Diet & Feeding
Bird lice eat feathers, skin scales, and blood; Booklice eat microscopic mold, fungi, and starchy glues.
Behavior Patterns
They are wingless, fast-moving, and prefer dark, humid environments to avoid desiccation.
Risks & Benefits
Bird lice can cause irritation and feather damage to poultry/wild birds; Booklice are harmless to humans but can be a nuisance in pantries or libraries.
Identified on: 1/8/2026