Giant Mayfly - Oousubakagero

Japanese: オオウスバカゲロウ - おおうすばかげろう
Giant Mayfly - Oousubakagero

...Cylindrical eggs about 2 mm long are laid one by one in the ground, and it takes about 20 days for them to hatch. The larvae are called ant lions (illustration). A well-known example is the small-legged mayfly Myrmeleon formicarius , which makes a mortar-shaped burrow and captures prey that falls into it, but some species do not make burrows; the giant mayfly Heoclisis japonica hides by burying itself in the sand on the beach, and the small-spotted mayfly Dendroleon jezoensis camouflages itself as lichen growing on the surface of rocks and lies in wait for prey. The larval period is long, about 2 years. ...

*Some of the terminology that refers to the "Giant Mayfly" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…長さ約2mmの円筒形の卵は1個ずつ地中に産みつけるが,孵化(ふか)までに約20日を要する。幼虫はアリジゴク(イラスト)と呼ばれ,よく知られている例ではコウスバカゲロウMyrmeleon formicariusのようにすり鉢状の巣穴をつくりそこに落下した獲物をとらえるが,種によっては巣穴を形成せず,オオウスバカゲロウHeoclisis japonicaでは海岸の砂中に埋もれて身を隠し,コマダラウスバカゲロウDendroleon jezoensisでは岩の表面に生えた地衣類に擬態して,獲物を待ち伏せる。幼虫期間は長く約2年である。…

※「オオウスバカゲロウ」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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