In case of a sting:
Depending on what is available, apply: toothpaste, Aloe vera gel, crushed soy leaf juice, half an onion or wet sugar
Use the Aspi-venom or Venimex mini-pump - To remove a sea urchin spike or cactus spines, apply depilatory wax or of the melted candle and remove with a sharp blow.
Light-colored clothing attracts female insects less than dark-colored clothing.
In the event of a bite:
Black stone of the White Fathers - Oléophytal (Diétaroma)
In both cases, sting and bite:
Wash with clay water with added T.M. Calendula - Apply vinegar water
Onion poultice: 1 slice on the affected area or compress of undiluted lactofermented whey
Alternating local poultice of activated vegetable charcoal and Montmorillonite clay