Can Roaches Smell Food. For kitchen deterrents cockroaches dislike the smell of cinnamon bay leaves garlic peppermint and coffee grounds. Knock Out The Roaches with Borax.
If you want a strong-smelling disinfectant choose vinegar or bleach. When roaches die yet another scent is emitted. The cockroaches eat rotten food garbage or decomposing matter and that is mainly the reason why they leave a nasty smell behind.
Roaches need food warmth moisture and shelter to survive.
Roaches need food warmth moisture and shelter to survive. Known as the death stench its actually oleic acid that is emitted by a roachs carcass. This mixture of food scraps dead bugs and other organic matter is what roaches leave behind as they roam your house says pest expert Jordan Foster. They actually have a scent.
