Avian Insect Liquidator Spray 250ml (for lice and mites)Avian Insect Liquidator Spray 250ml Avian lice and mites can cause skin irritation, itchiness, powdery and flaky deposits and sometimes scabs. Severe infestation can result in other health issues such as anaemia, reproductive issues and immune system issues. Avian Insect Liquidator was formulated by avian veterinarians to control avian lice (order Phthiraptera, suborder Mallophaga) in ornamental caged birds and their environment. Provides instant