出典:Wikipedia
出典:『Wikipedia』 (2011/06/01 16:59 UTC 版)
The great diving beetle, Dytiscus marginalis, is a large aquatic diving beetle native to Europe and northern Asia, and is particularly common in England. The great diving beetle, true to its name, is a rather sizable insect. The larvae can grow up to 60 mm in length, while the adults are generally between 27-35 mm.