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Chiasognathus grantii : ウィキペディア英語版 | Chiasognathus grantii
''Chiasognathus grantii'' is a species of stag beetle found in Argentina and Chile.〔(【引用サイトリンク】title=Annotated Checklist of the New World Lucanidae (Coleoptera: Scarabaeoidea) )〕 It is known as Darwin's beetle, Grant's stag beetle, or the Chilean stag beetle.〔〔(【引用サイトリンク】title=Coyhaique )〕 ==Behavior== The male's over-sized jaws are crucial in its objective to secure a mate. It climbs trees, often climbing many meters, searching for a female. As it climbs and searches for females, it also seeks out other males in the vicinity. When two males meet, they fight. Males use their jaws in combat: they hook them under the opposite beetle's wings, pull up and throw their opponent to the ground (from 20 meters above, as they are in great trees most of the time). Charles Darwin collected the species in Chile during the second voyage of HMS ''Beagle'', and, despite the enlarged mandibles of the males, he noted that the jaws were "not so strong as to produce pain to finger".〔(【引用サイトリンク】title=Entomology treasures )〕
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「Chiasognathus grantii」の詳細全文を読む
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