firebrat
A small, fast-moving insect (Thermobia domestica) often found in warm places like kitchens and bakeries. The name is usually written in katakana.
Firebrats prefer hot and humid places.
I found a firebrat in the bakery.
Katakana spelling is the most common written form for this insect name.
Kanji spelling is rare and mostly used in scientific or taxonomic contexts; the word is usually written in kana.
The name マダラシミ combines 斑 (まだら, 'mottled') and 紙魚 (しみ, 'silverfish'), referring to its mottled appearance and its relation to the silverfish family.