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Tytuł:
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Varroa destructor mite electrophysiological responses to honey bee (Apis mellifera) colony volatiles.
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Autorzy:
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Light M; Department of Biology, Acadia University, Wolfville, NS, B4P 2R6, Canada. .
Shutler D; Department of Biology, Acadia University, Wolfville, NS, B4P 2R6, Canada.
Cutler GC; Department of Plant, Food, and Environmental Sciences, Dalhousie University, PO Box 550, Truro, NS, B2N 5E3, Canada.
Hillier NK; Department of Biology, Acadia University, Wolfville, NS, B4P 2R6, Canada.
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Źródło:
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Experimental & applied acarology [Exp Appl Acarol] 2020 Aug; Vol. 81 (4), pp. 495-514. Date of Electronic Publication: 2020 Jul 22.
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Typ publikacji:
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Journal Article
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Język:
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English
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Imprint Name(s):
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Publication: 1999- : Dordrecht : Kluwer Academic Publishers
Original Publication: Amsterdam ; New York : Elsevier, [c1985-
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MeSH Terms:
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Odorants*
Bees/*chemistry
Pheromones/*chemistry
Varroidae/*physiology
Animals ; Bees/parasitology ; Electrophysiological Phenomena
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Grant Information:
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197853 Atlantic Canada Opportunities Agency; 22087 Canada Foundation for Innovation; RGPIN-2017-04319) Natural Sciences and Engineering Research Council of Canada
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Contributed Indexing:
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Keywords: Bee brood; Dynamic headspace; Electrotarsograms; GCMS; Semiochemicals
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Substance Nomenclature:
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0 (Pheromones)
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Entry Date(s):
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Date Created: 20200724 Date Completed: 20201125 Latest Revision: 20201125
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Update Code:
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20240104
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DOI:
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10.1007/s10493-020-00519-w
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PMID:
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32700265
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Detection and interpretation of chemical cues is essential for Varroa destructor Anderson and Trueman, an important parasite of honey bees (Apis mellifera L.), to complete its life cycle. We collected volatiles from honey bee brood at various developmental stages and screened for V. destructor electrophysiological responses to these with gas chromatography-linked electrotarsal detection. Volatile collections contained several methyl-alkanes that evoked electrophysiological responses from V. destructor. Moreover, odors in honey bee colonies that regulate honey bee colony structure and function were also detected by V. destructor. Collections from mid- to late-stage larvae had detectable levels of low-volatility odors identified as components of the honey bee brood pheromone and branched alkanes likely originating from brood cuticle. Among these, several mid- to heavy-molecular weight compounds elicited high proportional electrophysiological responses by V. destructor relative to their abundance but could not be identified using chemical standards of previously documented honey bee brood odors. We suggest further investigation of these unknown volatiles and future behavioral assays to determine attractiveness/repellency (valence) of those identified through chemical standards.