Cucujus mniszechii (English spelling) Cucujus mniszechii

Japanese: Cucujus mniszechii（英語表記）Cucujusmniszechii

...The thoracic legs are well developed. The blue flathead beetle Cucujus mniszechii , the red flathead beetle C. coccinatus , the small flathead beetle Uleiota arborea , the long-horned flathead beetle Dendrophagus longicornis , and the black-necked flathead beetle Pediacus japonicus all live under the bark of trees, and their adults and larvae prey on insects. The small flathead beetles are 2 to 5 mm long. ...

From [Red flatworm]

… Flathead Beetle [Hayashi Nagayasu]. . …

*Some of the terminology that mentions "Cucujus mniszechii" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…胸脚は発達している。ルリヒラタムシCucujus mniszechii，ベニヒラタムシC.coccinatus，ヒメヒラタムシUleiota arborea，ヒゲナガヒメヒラタムシDendrophagus longicornis，クロムネキカワヒラタムシPediacus japonicusなどは，いずれも樹皮下に生息し，成虫，幼虫が昆虫などを捕食する。チビヒラタムシ類は体長2～5mm。…