text: * Beautyberry (Callicarpa) leaves
  * Birch tree bark is traditionally made into tar. Combined with another oil (e.g., fish oil) at 1/2 dilution, it is then applied to the skin for repelling mosquitos
  * Bog myrtle (Myrica gale)
  * Catnip oil whose active compound is Nepetalactone
  * Citronella oil (citronella candles are not effective)
  * Essential oil of the lemon eucalyptus (Corymbia citriodora) and its active compound p-menthane-3,8-diol (PMD)
  * Lemongrass
  * Neem oil
  * Tea tree oil from the leaves of Melaleuca alternifolia
  * Tobacco