Ojigafuguri - Ojigafuguri

…Shortly after mating, the female produces foam from the tip of her abdomen, attaches it to a tree branch, etc., and lays eggs, producing egg sacs of a wide variety of shapes that are specific to the genus and species. In the past, these egg sacs were called giant burrs. These egg sacs are not eaten by birds, and overwinter, hatching in May or June of the following year, but the large number of larvae seen at the time of hatching will eventually decrease due to cannibalism and being eaten by birds and others. …

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…雌は交尾後まもなく，腹端から泡を出して木の枝などにつけ，卵を産みつけ，属や種に特有な多種多様な形の卵囊をつくる。この卵囊は古くはオオジガフグリと呼ばれた。この卵囊は鳥に食べられることもなく，そのまま越冬し，翌年5～6月に孵化するが，孵化時に見られた多数の幼虫は，やがて共食いや鳥などに食われ減少してしまう。…

※「オオジガフグリ」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