A field study on the long-term incidence of Acarapis woodi in Greece

publication date: Feb 1, 2004
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Journal NameJournal of Apicultural Research
Article TitleA field study on the long-term incidence of Acarapis woodi in Greece
Author(s)N K Bacandritsos and C J Saitanis
Published Date2/1/2004
Pages21 to 26
AbstractThe long-term incidence (% of apiaries infested) of the mite Acarapis woodi in southern Greece was monitored. Over 10 years the overall average infestation was 5.43%. Yearly maximum infestation (average 28.9%) exhibited a decreasing trend from 1985 to 1995. Infestation tended to peak in November and March and was restricted or absent during the summer. Additionally, seasonal variation of A. woodi density (% of individuals infested per colony) in three groups of colonies was followed for almost three years. At the beginning, Groups I and II had infestation rates of 10.75% and 11.25%, respectively, while Group III was not infested. Group I received no acaricide treatment while Group II was treated with 50 g menthol twice a year. There was no evidence that mites had transferred from infested Groups I and II to nearby non-infested Group III, and no difference in honey production between the groups was observed. There was a rapid decline in the infestation in all three groups, irrespective of treatment, with complete disappearance about seven months before the end of the experiment.
Keywordstracheal mites, Acarapis woodi, menthol, seasonal variation, Greece