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Fine scale population genetic structure of , an ectoparasitic mite of the honey bee ().

Authors:
Travis L Dynes Jacobus C De Roode Justine I Lyons Jennifer A Berry Keith S Delaplane Berry J Brosi

Apidologie 2016 13;2016:1-9. Epub 2016 Jun 13.

Population Biology, Ecology, and Evolution, Emory University, 400 Dowman Dr, Atlanta, GA 30322; Dept of Environmental Science, Emory University, 400 Dowman Dr, Atlanta, GA 30322.

is an obligate ectoparasitic mite and the most important biotic threat currently facing honey bees (). We used neutral microsatellites to analyze previously unreported fine scale population structure of , a species characterized by extreme lack of genetic diversity owing to multiple bottleneck events, haplodiploidy, and primarily brother-sister matings. Our results surprisingly indicate that detectable hierarchical genetic variation exists between apiaries, between colonies within an apiary, and even within colonies. This finding of within-colony parasite diversity provides empirical evidence that the spread of is not accomplished solely by vertical transmission but that horizontal transmission (natural or human-mediated) must occur regularly.

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http://dx.doi.org/10.1007/s13592-016-0453-7DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5089174PMC
June 2016

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