Bed bugs can be repelled by certain scents and odors. Here are some of the most effective smells and oils that can keep bed bugs away:

1. Rubbing alcohol: Bed bugs hate the smell of alcohol, and using it can dry out their bodies, eventually leading to their death.

2. Tea tree oil: This oil has a strong scent that bed bugs cannot tolerate. You can mix it with water and spray it on infested areas.

3. Lavender oil: Lavender has a strong smell that bed bugs probably hate the most. You can use lavender essential oil, sachets, or dried flowers to repel bed bugs.

4. Blood orange oil: This oil is one of the most useful essential oils for deterring bed bugs.

5. Peppermint oil and leaves: Peppermint is one of the most researched solutions for keeping bed bugs away. The plant provides a smell that bed bugs and other pests hate.

6. Cinnamon: The smell of cinnamon is an enemy of bed bugs. You can spread the powder onto your bed to get rid of bed bugs and prevent them from coming back.

7. Eucalyptus: The strong aroma of eucalyptus is thought to mask the scent of carbon dioxide and other chemicals that bed bugs use to locate their hosts. Eucalyptus essential oil can be diluted in water and sprayed on infested areas, or dried eucalyptus leaves can be placed in infested areas.

8. Cloves: The scent of cloves can also repel bed bugs.

9. Lemon: The strong aroma of lemons is thought to mask the scent of carbon dioxide and other chemicals that bed bugs use to locate their hosts. You can use lemon juice or place lemon peels in infested areas.

Its important to note that while these scents and oils can help reduce the spread of bed bugs, the most effective long-term bed bug treatment is professional pest control.