Mataeopsephenus japonicus (English spelling) Mataeopsephenusjaponicus

Japanese: Mataeopsephenus japonicus（英語表記）Mataeopsephenusjaponicus

...The species previously named "nagadromushi" is the same as this one. The closely related "flat-headed dromushi" (Mataeopsephenus japonicus ) belongs to the Psephenidae family, and its larvae are found attached to stones on the riverbed. It is yellowish brown and round, and its English name, water-penny beetle, comes from its shape.

*Some of the terminology that mentions "Mataeopsephenus japonicus" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…なお，かつてナガドロムシと命名されていた種は本種と同一種である。近縁のヒラタドロムシMataeopsephenus japonicusはヒラタドロムシ科Psephenidaeに属し，幼虫は川底の石に付着している。黄褐色で円形，その形態から英名はwater‐penny beetle。…

※「Mataeopsephenus japonicus」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典第２版について | 情報

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