A general term for insects of the Orthoptera family Tetrigidae, or one of these. The grasshopper Acrydium japonicum (illustration) is a small insect with a body length of 7 to 11 mm, so named because it looks diamond-shaped when viewed from the back. It is commonly found throughout Japan and is also distributed in eastern Asia. It is earth-colored, with black markings and other marks on the back of the pronotum, but there are various types in which they disappear completely. Although small, it has a grasshopper-like head and thin, thread-like antennae. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
直翅目ヒシバッタ科の昆虫の総称,またはそのうちの1種。ヒシバッタAcrydium japonicum(イラスト)は,体長7~11mmの小型の虫で,背面から見ると全体がひし形に見えるのでこの名がある。日本全国にふつうに見られ,アジア東部にも分布する。土色で,前胸背板の背部には黒色紋その他をもつが,まったく消えてしまうタイプのものまでいろいろの型がある。小さいながらもバッタのような頭部をもち,触角は細く糸状。
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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