虻あぶ

noun

horsefly; gadfly

Refers to large biting flies of the family Tabanidae, especially those that bother livestock and humans.

• 夏なつになると、牧ぼく場じょうにはアブがたくさん出でる。

  In summer, many horseflies appear at the pasture.

• アブに刺さされて、腕うでが腫はれてしまった。

  I was bitten by a horsefly and my arm swelled up.