1. Noun

   bark beetle (Scolytidae spp.)

   Usually written using kana alone

2. gribble (Limnoria lignorum); grain borer; wood borer

   Usually written using kana alone

Also written 木食虫【きくいむし】kikuimushi、木蠹虫【きくいむし】kikuimushi、蠹【きくいむし】kikuimushi