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''Narceus americanus'' is a large millipede of eastern North America. Common names include American giant millipede,〔(Millipedes (Diplopoda) ), Jeff's Nature Page〕 worm millipede, and iron worm. It inhabits the eastern seaboard of North America west to Georgetown, Texas, north of the Ottine swamps. It has a nearly cylindrical gray body, reaching a length of . When threatened, they sometimes curl up or release a noxious liquid that contains large amounts of benzoquinones which can cause dermatological burns. This fluid may irritate eyes or skin. Many other millipedes secrete hydrogen cyanide, and while there have also been claims that ''N. americanus'' releases hydrogen cyanide, this is not true. They do however, excrete a substance that causes a temporary, non-harmful discoloration of the skin. ==Photos== File:Millipede on floor.jpg|On floor, note waves of legs File:Millipede curled.jpg|Curled in defensive position File:Narceus americanus Curled.JPG|Defensive position File:Narceus americanus finger.jpg|On a finger File:Narceus americanus.jpg|Closeup of the head 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「Narceus americanus」の詳細全文を読む スポンサード リンク
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