碩步甲（學名：Carabus davidis）也稱大衛布甲、大衛碩布甲，一種分佈於中華人民共和國湖南、江西和福建等地區的鞘翅目昆蟲，隸屬於步行蟲科大步甲屬（步甲屬、步行蟲屬）切鞘亞屬（Apotomopterus）。[1]
形態特徵
成蟲體長39.1～41.1毫米。前胸背板呈藍綠色帶金屬光澤，密佈溝紋。鞘翅為綠色至紅色的漸變色帶金屬光澤，覆滿平行的行距，三條主行距特化為連續均勻的橢圓形突起，第三行距退化。雄性鞘翅末端的切鞘現象不明顯，而雌性切鞘明顯。[1]
亞種
本種目前發現7個亞種：[2]
- Carabus davidis davidis Deyrolle & Fairmaire, 1878
- Carabus davidis helmutschuetzei Kleinfeld, 1995
- Carabus davidis meihuaensis Deuve & Tian, 2000
- Carabus davidis neodavidis Kleinfeld & Schütze, 2001
- Carabus davidis perornans Deuve, 2002
- Carabus davidis viridithoracis Kleinfeld & Schütze, 2001
- Carabus davidis yizhangensis Kleinfeld, 2002
參考文獻
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