Thymol

thymolbehandlung_20170128

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)

Publication List

Publication List

Publications Giotto Roberti

Kay S., Roberti G.
Agro4esterie: Agroforestry Living Labs in Switzerland.
In: 5th ESP Europe Conference. 18 November, Publ. ESP - Ecosystem Services Partnership, Wageningen (NL). 2024.

Kay S., Roberti G., Herzog F.
Swiss Agricultural and Climate Strategy:: a missed opportunity for agroforestry?
In: EURAF 2024. 31. May, Brno (CZ). 2024, 388-389.

Reissig L., Kay S., Roberti G., Lojka B., Hübner R., Gosme M., Mantino A., Tranchina M., Vandendriessche J., Reubens B., Pardon P., Den Herder M.
Social and psychological factors influencing the use of digital technologies in agroforestry:: preliminary results from the DigitAF project.
In: EURAF 2024. 29. May, Brno (CZ). 2024, 452-453.

Roberti G., Bragazza L., Bretscher D., den Hond-Vaccaro C., Jarosch K., Keel S., Mariotte P., Merbold L., Reissig L., Walder F., Herzog F., Kay S.
Evaluation der Rolle von Agroforst in einer gesamtheitlichen Landwirtschafts- und Ernährungspolitik.
Agrarforschung Schweiz, 15, 2024, 199-206.
other Languages: french

Roberti G., Kunzelmann J., Kay S.
Vegetation diversity and weed-pressure in alley-cropping agroforestry in Switzerland.
In: EURAF 2024. 28. May, Brno (CZ). 2024, 107-108.

Kunzelmann J., Roberti G., Luchsinger N., Kay S.
Acoustic bird monitoring in 20 swiss agroforestry systems: Challenges and opportunities.
In: EURAF 2024. 28. May, Brno (CZ). 2024, 104-105.

Herzog F., Jäger M., Roberti G., Kay S.
Young Swiss silvo-arable systems: In what shape are they on their 10th birthday?
In: EURAF 2024. 29 May, Publ. Mendel University, Brno (CZ). 2024, 262-263.

Holtdorf L., Roberti G., Fabian Y.
Entscheidungshilfe für Feuchtackerflächen: Anleitung Q-GIS-Tool.
Agroscope. 2024, 13 pp.
other Languages: french

Kunzelmann J., Luchsinger N., Roberti G.
Comparing approaches to increase BirdNETs reliability in field recordings.
In: Bioacoustic meeting. 7 November, Publ. Swiss Ornithological Institute, Online. 2023, 1-14.

Roberti G., Kay S.
Ein Leitfaden für das Monitoring von Agroforstsystemen.
Die Grüne, 10, 2023, 11.

Fabian Y., Roberti G., Zorn A., Szerencsits E., Gramlich A.
Die Nutzung von vernässenden Ackerflächen neu denken.
Geomatik Schweiz, 121, (7-8), 2023, 161-164.

Fabian Y., Roberti G., Herzog F.
Feucht(Acker)Flächen - (k)eine schwierige Entscheidung.
In: Konferenz der Beauftragten für Natur- und Landschaftsschutz (KBNL). 14. Juni, Biel. 2023.
other Languages: french

Roberti G., von Pfeil C., Kunzelmann J., Funke L., Rutz T., Kay S.
Monitoring-Leitfaden für Agroforstsysteme: Methoden zur Messung der Umwelteffekte.
Agroscope Transfer, 468, 2023.
other Languages: french | italian

Fabian Y., Roberti G., Herzog F.
Feucht-(Acker-)Flächen – (k)eine schwierige Entscheidung.
In: 16. Tagung Landmanagement. 18. Januar, Zürich. 2023, 1-15.

Fabian Y., Roberti G., Jacot-Ammann K., Gramlich A., Benz R., Szerencsits E., Churko G., Prasuhn V., Leifeld J., Zorn A., Walter T., Herzog F.
Ripensare l’utilizzo delle superfici coltive periodicamente inondate: Sintesi del progetto «superfici (coltive) umide».
Agroscope Science, 145, 2022.

Roberti G., Gramlich A., Benz R., Szerencsits E., Churko G., Prasuhn V., Leifeld J., Zorn A., Jacot-Ammann K., Herzog F., Fabian Y.
Entscheidungshilfe für feuchte und nasse Ackerflächen: Unterstützung bei der Identifikation von Flächen, auf denen Alternativen zur Entwässerung in Betracht zu ziehen sind.
Agroscope Transfer, 449, 2022.
other Languages: french | italian

Fabian Y., Roberti G., Jacot-Ammann K., Gramlich A., Benz R., Szerencsits E., Churko G., Prasuhn V., Leifeld J., Zorn A., Walter T., Herzog F.
Die Nutzung von vernässenden Ackerflächen neu denken: Synthese des Projektes «Feucht(Acker)Flächen».
Agrarforschung Schweiz, 13, 2022, 198-209.
other Languages: french

Holtorf L., Roberti G., Fabian Y.
Entscheidungshilfe für Feuchtackerflächen: Anleitung QGIS-Tool.
Agroscope, Zürich. November, 2022, 11 pp.
other Languages: french

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) 

https://www.agroscope.admin.ch/content/agroscope/en/home/themen/nutztiere/bienen/bienenkrankheiten/varroa/varroa-bekaempfung/thymol.exturl.html/aHR0cHM6Ly9pcmEuYWdyb3Njb3BlLmNoL2VuLVVTL1BhZ2UvUH/VibGlrYXRpb25zbGlzdGUvSW5kZXhNaXRhcmJlaXRlcj9hZ3Jv/c2NvcGVJZD0yMjA5NSZpc0RhdGVuUHVibGlrYXRpb25zbGlzdG/U9RmFsc2U=.html