Passed to new host through clothes, fabric, hairbrushes, or bedding. They do not carry diseases, but bite and cause itching on the scalp which may result in a bacterial infection.
Consume the blood of their host. Transferred easily onto fabrics, bedding, and furniture. Bite their host leaving red bumps or welts and can survive a year without feeding.
Typically brought indoors from pets. Pose a health risk to both pets and humans. They cause rashes and itching and may transmit diseases in the processes of consuming their host.