carpet moth

...The forewings are white, but the bottom third is blackish brown, and the top of the wings is also slightly dark. The larvae are known as pests that feed by spinning threads through wool, fur, and processed products, creating passageways through which they feed, and are also known as carpet moths. As they are transported artificially, they are indoor pests that have spread almost worldwide, but in recent years they have not been collected in Japan.

*Some of the terminology that mentions "carpet moth" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…前翅は白色だが，基部に近い1/3は黒褐色，翅頂部もやや暗色。幼虫は羊毛，毛皮およびその加工品に糸を張って通路をつくり食害する害虫として知られ，ジュウタンガ(英名carpet moth)とも呼ばれている。人為的に運ばれるため，ほとんど全世界に広がってしまった屋内害虫であるが，近年日本では採集されていない。…

※「carpet moth」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