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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 African bee ： ウィキペディア英語版 African bee The African honey bee (''Apis mellifera scutellata'') is a subspecies of the Western honey bee. It is native to central and southern Africa, though at the southern extreme it is replaced by the Cape honey bee (''Apis mellifera capensis'').〔Ruttner, F. 1988: Biogeography and Taxonomy of Honeybees. Springer Verlag, Berlin〕 This subspecies has been determined to constitute one part of the ancestry of the Africanized bees (also known as "killer bees") spreading through America. The introduction of the Cape honey bee into northern South Africa poses a threat to African honey bees. If a female worker from a Cape honey bee colony enters an African bee nest, she is not attacked, partly due to her resemblance to the African bee queen. As she is capable of parthenogenetic reproduction, she may begin laying eggs which hatch as "clones" of herself, which will also lay eggs, causing the parasitic ''A. m. capensis'' workers to increase in number. The death of the host colony results from the dwindling numbers of ''A. m. scutellata'' workers that perform foraging duties (''A. m. capensis'' workers are greatly under-represented in the foraging force), the death of the queen, and, before queen death, competition for egg laying between ''A. m. capensis'' workers and the queen. When the colony dies, the ''capensis'' females will seek out a new host colony.〔() Moritz, R.F.A (2002) The Cape honeybee ''Apis mellifera capensis'' From laying workers to social parasites ''Apidologie Special Issue'' 33 (2), 99-244〕 ==Character== A single African bee sting is no more venomous than a single European bee sting, though African honeybees respond more quickly when disturbed than do European honey bees. They send out three to four times as many workers in response to a threat. They will also pursue an intruder for a greater distance from the hive. Although people have died as a result of 100-300 stings, it has been estimated that the average lethal dose for an adult is 500-1100 bee stings. In terms of industrial honey production, the African bee produces far less honey than its European counterpart, whilst producing more swarms and absconding (abandoning its nest). For this reason, African races of Honeybees are less desirable than European races, except where the proclivity of African bees give beekeepers no other option due to the Africans' tendency to invade and take over European nests. 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「African 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.