二尾鳳蝶(學名:Bhutanitis mansfieldi,英文俗名:Mansfield's Three-tailed Swallowtail)是鳳蝶科尾鳳蝶屬的一種蝴蝶,是中國特有種,分佈於四川和雲南。一年一代,成蟲多見於3至4月。幼蟲寄主為有毒性的寶興馬兜鈴。[3][4]
此種被列入中國國家林業局令國家保護的有益的或者有重要經濟、科學研究價值的陸生野生動物名錄[5]。數量有下跌趨勢[2]。
形態
中小型鳳蝶。體翅褐色,尾突2枚,複眼周圍具毛,觸角腹面鋸齒狀。雄蝶前背面褐色,前翅佈有7條波曲的黃色寬帶。後翅有粗重的黃色網紋,臀角具紅色弧形斑,下方具3枚模糊的灰斑,外緣具橙黃色斑。腹面斑紋如背面,鱗片稀少而呈油紙狀,黃紋寬闊發達。雌蝶斑紋似雄蝶,翅色更淡,黃紋更寬。[3]
參考
文獻
外部連結
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