a kind of Japanese beetle of the scarab family, called Japanese beetle 豆黄金という,日本に住むコガネムシの一種 - EDR日英対訳辞書
Those that confer the power of an animal such as those consisting of a scarab (dung beetle) or rabbit's foot.
ケプリ(フンコロガシ)やウサギの足等の、生き物の力を得るもの。 - Wikipedia日英京都関連文書対訳コーパス