Voorbeelden van cotton wool

• To encourage oviposition, filter paper was placed on top of moistened cotton wool in a tubular support at the base of the cages.

• A small container of cotton wool soaked with water was also placed in the experimental arena, as were pollen, honey and sugar cubes.

• All air entering the building passed through cotton wool filters.

• A small container of cotton wool soaked with water was also placed in the experimental arena so flies were permanently water-sated.

• A piece of cotton wool saturated with 10% honey solution was supplied in each vial as food source for the adult wasps.

• The cut stems were placed in a conical flask filled with water and sealed around the base of the stem using cotton wool and parafilm.

• All cocoons that formed from parasitized hosts were removed from the stems and kept separately in vials plugged with cotton wool.

• Leaves were maintained fresh during the experiment by small plastic vials with water and cotton wool surrounding the petiole.