In the 1990s, the Bee Research Centre took part in a screening programme testing the potential effectiveness of over 100 essential oils and essential oil components against the varroa mite. Although sage, hyssop and thyme oils proved interesting, only thymol has been used in acaricide products. Thymol treatments require little effort, and there are a variety of preparations on the market. The advantages and drawbacks of thymol use are listed in the articles "Apilife VAR: A new varroacide with thymol as the main ingredient" and "THYMOVAR for Varroa control".

Use of essential oils for the control of Varroa jacobsoni (Oud.) in honey bee colonies (PDF, 1 MB, 20.01.2017)
A. Imdorf, S. Bogdanov, R. Ibáñez Ochoa, N. W. Calderone (1999)

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Publications Aline Stämpfli

Zumthurm S., Papathanail I., Abdur Rahman L., Brigato L., Mougiakakou S., Stämpfli A.
Reducing meat consumption using a diet-related written prompt and the Swiss food pyramid: A field study.
Food Quality and Preference, 126, 2025, Article 105416.

Mehner E., Ehlers M.-H., Herrmann M., Höchli B., Holenweger G., Mann S., Messner C., Nemecek T., Reguant Closa A., Schäfer O., Stämpfli A., Walther B., Douziech M.
Die ernährungsphysiologischen und ökologischen Folgen des Ersatzes von Fleisch und Milchprodukten in der Ernährung: Status quo und Innovationspotenziale.
In: 14. Ökobilanz-Plattform Landwirtschaft. 22. Oktober, Publ. Agroscope, Zürich. 2024.

Mehner E., Herrmann M.K., Nemecek T., Reguant Closa A., Stämpfli A., Walther B., Douziech M.
The nutritional and environmental consequences of replacing meat and dairy products with market-ready alternatives in recommended and self-selected Swiss diets.
In: 14th International Conference LCAFood. 11 September, Publ. IRTA, Barcelona (ES). 2024, 1-12.

Mehner E., Ehlers M.-H., Herrmann M., Höchli B., Holenweger G., Mann S., Messner C., Nemecek T., Reguant Closa A., Schäfer O., Stämpfli A., Walther B., Douziech M.
Fleisch- und Milchersatzprodukte - besser für Gesundheit und Umwelt?: Auswirkungen auf Ernährung und Nachhaltigkeit, die Sicht der Konsumentinnen und Konsumenten sowie ethische und rechtliche Überlegungen.
TA-SWISS, vdf Hochschulverlag AG. 1. Aufl., 2024, 300 pp.

Zumthurm S., Stämpfli A.
A diet-related health prompt with the Swiss Food Pyramid as a nudge to reduce meat consumption.
Food Quality and Preference, 115, (June), 2024, 1-19.

Inderbitzin J., Petignat-Keller S., Stämpfli A., Guggenbühl B.
Milk and plant based alternatives on Twitter.
In: 10th European Conference on Sensory and Consumer Research. 13. September, Publ. Elsevier, Turku, Finnland. 2022.

Guggenbühl B., Grande A., Stämpfli A., Inderbitzin J., Walther B.
Beliefs and Attitudes about and Sensory Perception of Selected Plant-Based Drinks.
In: EUROSENSE 2022: A Sense of Earth. 10th European Conference on Sensory and Consumer Research. 14. September, Publ. Elsevier, Turku. 2022, 1.

Stämpfli A., Inderbitzin J., Guggenbühl B., Walther B.
Living Labs and Participatory Methods in Food-Related Consumer Behavior Research.
In: EUROSENSE 2022: A Sense of Earth. 10th European Conference on Sensory and Consumer Research. 15. September, Publ. Elsevier, Turku. 2022, 1.

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Apilife VAR: A new varroacide with thymol as the main ingredient (PDF, 103 kB, 20.01.2017)
A. Imdorf, S. Bogdanov, V. Kilchenmann, C. Maquelin (1994)

"THYMOVAR" for Varroa control (PDF, 75 kB, 27.01.2017)
F. Bollhalder (1998)

Although the use of thymol leads to residues in the wax and honey, these are negligible from a toxicological viewpoint. Since about 2008 the use of thymol-based products has been declining in Switzerland, and beekeepers making use of these products have tended to experience greater winter losses than those using e.g. formic acid.

Thymol residues in wax and honey after Apilife VAR treatment (PDF, 757 kB, 14.09.2016)
S. Bogdanov, A. Imdorf, V. Kilchenmann (1998)

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