What Causes Warbles

warble fly or “warbles” comprises a range of syndromes caused by migrating larvae of Hypoderma and Dermatobia species. Skin damage is most common, but spinal paralysis, choke from esophageal inflammation, generalized illness from mass migration of larvae, and anaphylactic reactions can also occur.

Where do warbles come from?

What are warbles? Cuterebra is the genus or scientific family name of the North American rabbit or rodent botfly. Twenty-six species of Cuterebra are known to occur in the U.S. and Canada. They are also found in Mexico and the neo-tropical regions.

What does a warble turn into?

The warble contains a hole, which is used for breathing. When fully developed, the cattle grub emerges and drops to the ground to pupate and transform into an adult fly.