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 Amelie Kreuzer

Helfenstein.J., Kreuzer A., Hepner.S., Achermann.G., Herzog F., Bürgi.M., Verburg.P.
Sustainable Agricultural Pathways in Europe (SIPATH) – land use data.
Zenodo. V1, 2024.

Helfenstein J., Hepner S., Kreuzer A., Achermann G., Williams T., Bürgi M., Debonne N., Dimopoulos T., Diogo V., Fjellstad W., Garcia-Martin M., Hernik J., Kizos T., Lausch A., Levers C. and others
Divergent agricultural development pathways across farm and landscape scales in Europe: Implications for sustainability and farmer satisfaction.
Global Environmental Change - Human and Policy Dimensions, 86, 2024, 1-13.

Kreuzer A., Heller O.
Beurteilung von Versuchsflächen am Beispiel der Agroscope-Versuchsflächen Ost.
Agroscope. 2023, 33 pp.

Heller O., Suter D., Zimmermann R., Kreuzer A.
Bodenkarten der Agroscope-Versuchsflächen OST: Digitale Bodenkarten und Bodenprofile der Standorte Reckenholz, Tänikon, Ellighausen und Oensingen.
Agroscope Science, 174, 2023.

Dimopoulos T., Helfenstein J., Kreuzer A., Mohr F., Sentas S., Giannelis R., Kizos T.
Different responses to mega-trends in less favorable farming systems: Continuation and abandonment of farming land on the islands of Lesvos and Lemnos, Greece.
Land Use Policy, 124, 2023, 1-13.

Hepner S., Kreuzer A., Helfenstein J., Herzog F.
Polarization of agricultural landscape across Europe?: An analysis of changing land use intensity in 14 case study sites.
In: Landscape 2021 - Diversity for Sustainable and Resilient Agriculture. 20 September, Publ. Leibniz-Centre for Agricultural Landscape Research (ZALF), Berlin (online). 2021, 1.

Kreuzer A., Hepner S., Herzog F., Helfenstein J.
What is the effect of increasing field size on landscape structure elements?
In: Landscape 2021 - Diversity for Sustainable and Resilient Agriculture. 21.09., Leibniz Centre for Agricultural Landscape Research (ZALF), Deutschland. 2021.

Kreuzer A., Bürgi M.
Landschafts- und Landnutzungswandel in und um Tänikon – eine retrospektive Analyse.
Agroscope Transfer, 405, 2021.

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/c2NvcGVJZD0yMTQ3NCZpc0RhdGVuUHVibGlrYXRpb25zbGlzdG/U9RmFsc2U=.html