Open Access
Table 2.
Examples of studies on Hesperomyces virescens parasitizing Harmonia axyridis. The parasite prevalences (= number of infected individuals/total number of ladybirds sampled (N)) show that H. axyridis has become the “main host” species in several well-studied localities.
Country | Locality | Time | N | Prevalence (%) | Reference |
---|---|---|---|---|---|
USA | Silver Lake Farm, Kentucky | May to August 2004 | 147 | 82.3 | [14] |
USA | USDA-ARS, Byron, Georgia | April to October 2007 | 646 | 50.1 | [21] |
USA | USDA-ARS, Byron, Georgia | April 2014 | 306 | 66.4 | T. Cottrell and D. Haelewaters, unpublished data |
Germany | Justus-Liebig University, Giessen | January 2010 | 134 | 79.1 | [5] |
The Netherlands | Winterswijk, Gelderland | Winter 2010 | 72 | 55.6 | [19] |
Belgium | Botanic Garden Meise, Flemish Brabant | Winter 2011 | 86 | 96.5 | [7] |
South Africa | Stellenbosch, Western Cape | 2013–2015 | 1794 | 29.4 | Present paper |
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