northern cattle grub
noun
: an immature form or adult of a warble fly of the genus Hypoderma (H. bovis)
called also cattle grub
see bomb flyCite this Entry
“Northern cattle grub.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/northern%20cattle%20grub. Accessed 30 Oct. 2025.
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