Chironomus yoshimatsui (English spelling) Chironomus yoshimatsui

...On the other hand, there are cases where certain species of adult insects occur in large numbers, flying into nearby houses and causing discomfort to residents. In particular, the sludge at the bottom of urban rivers is home to a high density of larvae of the midge Chironomus yoshimatsui (illustration), and from early summer to autumn, pale yellow-green adults about 6 mm long emerge and fly in. They have vertical stripes on their backs and chests. ...

*Some of the terminology that mentions "Chironomus yoshimatsui" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…一方で，ある特定種の成虫の大量発生が起こり，周辺家屋にたくさん飛来して住民の不快感を招くことが多い。とくに都市河川の水底汚泥には高密度のセスジユスリカChironomus yoshimatsui（イラスト）の幼虫が生息し，初夏から秋に体長6mmくらいの淡黄緑色の成虫が羽化飛来する。胸背に縦線の紋をもつ。…

※「Chironomus yoshimatsui」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