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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 Onthophagus taurus ： ウィキペディア英語版 Onthophagus taurus The taurus scarab (''Onthophagus taurus'') is a species of dung beetle in the genus ''Onthophagus''. 〔 Hallan, Joel («Synopsis of the described Coleoptera of the World» ) 〕 ==Description== ''Onthophagus taurus'' can reach a length of . These small beetles are oval shaped, the color is usually black or reddish-brown. Sometimes the pronotum has a weak metallic sheen. Males have on the heads a pair of long protrusions or horns (hence the species name) that they use to fight with each other to gain mating rights with females. Some males do not have horns, and therefore do not come into the fight, but have larger gonads. A similar dimorphism in males have been found in some other species (''Ageopsis nigicollis'', ''Podischnus agenor'') . This adaption reduces direct competition with horned males. 〔 Eberhard, W. G. (Beetle horn dimorphism: making the best of a bad lot ) The American Naturalist. — 1982. — Vol. 119, № 3. — P. 420-426..〕 ''Onthophagus taurus'' can pull a weight of 1141 times its own body mass and is considered the strongest animal on earth on a body weight to lift ratio.〔(ABC Science )〕 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「Onthophagus taurus」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.