Rhopalocera

… Most moths are nocturnal, so many of them have blurred colors and patterns, but some are active during the day and fly around in search of nectar and mates during the day, just like butterflies. In the past, Lepidoptera was broadly divided into the suborder Rhopalocera and the suborder Heterocera, but there is no scientific basis for this. The antennae of butterflies are club-shaped, while those of moths are not. …

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

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…　ガは一般に夜行性のものが大部分なので，色彩や斑紋がじみなものが多いが，一部は昼間活動し，チョウと同じように，昼間花みつや配偶者を求めて飛び回る。昔は鱗翅目を蝶亜目Rhopaloceraと蛾亜目Heteroceraに大別していたが，学問的な根拠はない。触角は，チョウでは棍棒状，ガではそうでない。…

※「Rhopalocera」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