Ants

Why are ants in my bathroom?

Bathroom ants are usually drinking, not nesting in the toothpaste. Odorous house ant and Pharaoh ant use pipe chases. A dripping supply line is the buffet. Dry the room, seal the pipe gap with copper mesh and caulk, and bait the trail — not a fogger in a wet bath.

Pharaoh ants are a special case

Pharaoh ant split colonies when you spray them. In hospitals and apartments that is a professional baiting job. Do not bomb a bathroom.

Species pages

The question is only the field note. Control sequence, legal notes, and identification live on the species article.

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Published October 6, 2026. Last reviewed October 6, 2026 by Helen Marsh.