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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 Western bumblebee ： ウィキペディア英語版 Western bumblebee The western bumblebee, ''Bombus occidentalis'', is one of around 30 bumblebee species present in the western United States and western Canada.〔Pocket Guide to Identifying The Western Bumble Bee ''Bombus occidentalis'' ()〕 A recent review of all of its close relatives worldwide appears to have confirmed its status as a separate species. ==Description== Western bumblebee workers have three main color variations.〔( The Xerces Society for Invertebrate Conservation )〕 The first color variation is found from northern California, north to British Columbia, and east to southwest Saskatchewan and Montana.〔 ''B. Occidentalis'' in these areas have yellow hair on front part of thorax. They are also marked by black hair segments on the basal section of the fourth abdominal segments have black hair and whitish lower edge of the fourth and fifth abdominal segments. In addition, they also have sparse whitish hairs that may appear black on the sixth abdominal segment, and a entirely black head. The second color variation is found along the central coast in California.〔 It has yellow hair on the sides of the second abdominal segment and all of the third abdominal segment and a reddish brown hair on fifth abdominal segment. The third color variation is found from the Rocky Mountains to Alaska.〔 It has yellow hair on the thorax behind the wings and on the rear of the second and all of the third abdominal segments. 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「Western bumblebee」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.