horse botfly
Rare zoological term for a botfly that parasitizes horses. The more common word is 馬蠅 (うまばえ).
See also: ウマバエ
The horse botfly is an insect of the family Gasterophilidae that parasitizes horses.
Compound of 馬 (uma, 'horse') and 虻 (abu, 'horsefly'). The exact derivation is uncertain; the spelling is conventionally associated with the meaning.