Formic acid is an organic acid and usage of formic acid on colonies one of the best methods of encounters of Varroa. Especially It is widely used by organic honey producers in countries beekeeping developed highly.
When used accordingly that is minimum 15 days before the spring time or autumn after the honey harvest, the researches shows that it does not leave any remainders on the honey or the wax.
As the use of it may be risky for the beekeeper now in Canada and Europe it is used as jell. This is also used as the strongest method in encountering against trachea mite.
As the use of it may be risky for the beekeeper now in Canada and Europe it is used as jell. This is also used as the strongest method in encountering against trachea mite.
Mr Nicholas W.Calderone who is a researcher at University of Cornell whom article has been published in Journal of Economic Entomology in year 2000. In his article he stated that he has used apistan, thymol and formic acid in encountering Varroa. In his results he found that %94.2 of Varroa destruction noted in the colonies where %65 of formic acid used. The destruction using thymol and apistan noted as %75.4 and %92.6 respectively. So the method using formic acid is stated as an alternative control method to Apistan.
In the method of liquid formic acid the solution must be %65.What that means is that the solution used on colonies should be %65 of formic acid and the rest which is %35 of water.
Varroa is effected by this solutions vapour and destructed. In this method, the bees should not be left in direct contact with the liquid of formic acid. The suitable technique is that to get some toilet paper or newspaper, lay the piece on to brood frames.
After that 40ml solution is ejected on to the paper. So the paper avoids the direct contact of bees with solution by absorbing the solution therefore not letting the solution dripping on to bees.
The solution vaporises in the colony and destroys the Varroa. In some courtiers the solutions named as “Mite Away” and ”Apicure” are widely used and those products contain formic acid.
Picture-1) Application of Formic acid
When this method is used, the temperature has to be between minimum of 10 0C and maximum of 30 0C. When used in temperatures above 30 0C; it may cause the queens death.
When the method is used between 4 and 6 times leaving a week between application it is noted that the method caused the destruction of %95 of Varroa.
Health & Safety Hazard – Important notice:
At all times you must avoid breathing the vapour of the solution. The safety measurement used in application of Oxalic acid must be followed in usage of formic acid method.
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Devrim Oskay
Dr.Öğr.Üyesi Devrim OSKAY, lisans derecesini Trakya Üniversitesi Tekirdağ Ziraat Fakültesi Zootekni Bölümünde, Yüksek lisansını aynı üniversitede “Bal Arısı Yetiştirme ve Islahı” üzerine, doktorasını Amerika Birleşik Devletleri’nde bulunan, Puerto Rico Üniversitesi, Bioloji bölümünde “Bal Arısı Genetiği ve Davranışı” üzerine tamamlamıştır. Ohio Eyalet Üniversitesi’nden “Balarısı ıslahı ve yapay tohumlama” üzerine eğitmenlik sertifikası bulunmaktadır. 2008-2010 yıllarında Washington Eyalet Üniversitesi’nde “Hastalık ve zararlılaradirençli damızlık ana arı yetiştirme” projesinde araştırmacı olarak çalışmıştır. 2010 yılında ülkesine dönerek Tekirdağ ilimizde bulunan Namık Kemal Üniversitesi, Ziraat Fakültesi, Tarımsal Biyoteknoloji Bölümünde öğretim üyesi olarak görevine devam etmektedir. Dr.Öğr.Üyesi Devrim Oskay, 2009,2010 ve 2011 yıllarında ODTÜ Biyoloji Bölümünde 2013 yılında Namık Kemal Üniversitesi, Ziraat Fakültesi, Tarımsal Biyoteknoloji Bölümünde düzenlenen “Bal arısı Islahı ve Yapay Tohumlama” kurslarında eğitmen olarak görev almıştır.
Kendisi, Gıda,Tarım ve Hayvancılık Bakanlığı (TAGEM), TÜBİTAK ve KOSGEB’in Desteklediği Ar-Ge ve İnovasyon projelerinde yürütücü olarak görev yapmıştır. Yurt dışında ve yurt içinde bal arıları ve arıcılık üzerine yayınlanmış bilimsel makalesi ve bildirisi bulunmaktadır. Namık Kemal Üniversitesi, Ziraat Fakültesi’nde arıcılık ile ilgili lisans ve lisans üstü dersler vermesinin yanında, arıcılar için birçok farklı ildeve İlçede seminerler ve kurslar vermektedir.
Bilgi için: doskay@yahoo.com
Prof. Dr. Devrim OSKAY earned a bachelor’s degree in animal science from Trakya University Tekirdag Faculty of Agriculture, a master’s degree in “Honey Bee Husbandry and Breeding” from the same university, and a doctorate in “Honeybee Genetics and Behavior” from the University of Puerto Rico’s Biology Department in the United States . He has an Ohio State University trainer certificate on “Honeybee breeding and artificial insemination.” He worked as a researcher at Washington State University from 2008 to 2010 on the project “developing disease- and pest-resistant queens.” He returned to his homeland in 2010 and continues to work as a professor at Namk Kemal University’s Faculty of Agriculture’s Department of Agricultural Biotechnology in Tekirda. Dr. Devrim Oskay lectured “Honeybee Breeding and Artificial Insemination” courses at METU’s Department of Biology in 2009, 2010, and 2011, as well as at Namk Kemal University’s Faculty of Agriculture, Department of Agricultural Biotechnology in 2013.
He was an executive in research and development and innovation initiatives funded by the Ministry of Food, Agriculture, and Livestock (TAGEM), TÜBTAK, and KOSGEB. In Turkey and internationally, he has published scientific articles and papers on honey bees and beekeeping. Along with undergraduate and graduate courses in beekeeping at Namk Kemal University’s Faculty of Agriculture, it also offers seminars and workshops for beekeepers in a variety of cities and regions.
İnfo: doskay@yahoo.com
Dr.Devrim Oskay İle Bal Arıları ve Arıcılık 
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