“成虫的”用英语怎么说？

下图展示了昆虫怎样由卵成长为成虫的过程.The pictures below show, how insects grow from eggs into adults.成虫的生命期很短.Adult fireflies live a short life.目的观察甲苯咪唑对广州管圆线虫成虫的杀灭效果.Objective To observe the effect of mebendazole against adult worm of A...