For the most part, these adult fireflies don't get eaten because like their juveniles they can manufacture toxins that are repellent to birds and other insectivores, but somewhere along the line, one particular group of fireflies somehow lost the metabolic machinery needed to make their own protective toxins.
成虫のホタルの大半は 食べられてしまうことはありません 幼虫と同じように 毒を作りだすことによって 鳥や他の捕虫動物を寄せ付けないからです しかし 進化の過程で あるホタルの種類は 自らを守る毒素を作り出す