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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Russian honey bee ： ウィキペディア英語版 Russian honey bee The Russian honeybee refers to honey bees (''Apis mellifera'') that originate in the Primorsky Krai region of Russia. This strain of bee was imported into the United States in 1997 by the USDA's Honeybee Breeding, Genetics & Physiology Laboratory in Baton Rouge, Louisiana in response to severe declines in bee populations caused by infestations of parasitic mites,〔()〕 and have been used in breeding programs to improve existing stocks. == Resistance to mites == Russian honey bees have an innate resistance to various parasitic mites. This strain occurs in the original native range of the varroa mite, and selective pressure could have favored bees that exhibited aggressive behavior against colony-level mite infestations. Accordingly, experimental research has found that mite populations decline in colonies of pure Russian〔http://etmd.nal.usda.gov/bitstream/10113/2224/1/IND43938395.pdf〕 and of hybrid Russian-Italian bees.〔http://www.bioone.org/doi/abs/10.1603/0022-0493%282007%29100%5B258%3ACOPMIR%5D2.0.CO%3B2〕 The mechanisms through which mite populations are controlled in these colonies include hygienic behavior towards mites,〔De Guzman Rinderer, et al, Hygienic Behavior by Honey Bees From Far-Eastern Russian, American Bee Journal, Jan 2002〕 and possibly increased aggression towards mites.〔Brachmann, Bob, p18, Characteristics of Russian Bees, Bee Culture, Nov 2004〕 Interestingly, Russian stocks also have been shown to resist infection by tracheal mites.〔http://www.ars.usda.gov/SP2UserFiles/Place/64133000/PDFFiles/459-Villa--Inheritance%20of%20Resistance.pdf〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Russian honey bee」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.