Rodent Botfly Larva
Scientific Name: Cuterebra species
Order & Family: Order Diptera, Family Oestridae
Size: 20mm to 40mm depending on the stage
Natural Habitat
Found in wild and domestic host animals across North America
Diet & Feeding
As larvae, they feed on host tissue, fluids, and secretions
Behavior Patterns
The larva, known as a 'warble', develops under the skin of a mammal after entrance through a natural body opening or wound
Risks & Benefits
Generally considered a significant pest to domestic pets and livestock; can cause painful swellings or infections in the host
Identified on: 2/5/2026