There is described an herbal hematophagous parasite control composition which comprises Picraena excelsa (Quassia), Foeniculum vulgare (fennel) and Azadirachta indica folium (Neem) provided that the composition is substantially free Juglans nigra folia (black walnut) and/or Allium sativim (garlic). There are also described a method of controlling hematophagous parasites.