cheese mite
A tiny arthropod that infests cheese; used in food science and occasionally in traditional cheese production.
Cheese mites can sometimes appear on the surface of aged cheese.
Katakana spelling is standard for this loanword-based term; usually written in kana.
Kanji spelling using 壁蝨 for 'mite'; very rare and mainly of academic or entomological interest.
From English 'cheese' + ダニ (mite).